{
  "data": {
    "a": {
      "slug": "stackone",
      "name": "StackOne",
      "vendor": "StackOne Technologies Limited",
      "vendorUrl": "https://www.stackone.com",
      "kind": "mcp",
      "category": "aggregator",
      "summary": "StackOne is a hosted gateway from StackOne Technologies Limited that gives AI agents actions across more than 540 business apps over MCP, SDKs, A2A or HTTP, with managed authentication, per-user grants, policies and logs.",
      "url": "https://www.anchorterminal.com/tools/stackone",
      "markdownUrl": "https://www.anchorterminal.com/tools/stackone.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/stackone.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/stackone.json",
      "repo": "https://github.com/StackOneHQ/stackone-ai-node",
      "license": "Proprietary service under StackOne's SaaS Terms and Conditions. The Agent SDKs (`@stackone/ai`, `stackone-ai`) and the Defender package (`@stackone/defender`) are Apache-2.0",
      "transports": [
        "streamable-http",
        "http"
      ],
      "remoteUrl": "https://mcp.stackone.com/mcp",
      "packages": [
        {
          "registry": "npm",
          "name": "@stackone/ai"
        },
        {
          "registry": "pypi",
          "name": "stackone-ai"
        },
        {
          "registry": "npm",
          "name": "@stackone/defender"
        }
      ],
      "auth": "mixed",
      "authNotes": "Self-serve. A person signs up in the dashboard, creates a project and a connector profile, and links an account. MCP clients connect to `https://mcp.stackone.com/mcp` with OAuth (scopes `mcp offline_access`, one-hour access tokens, a 90-day grant) and the user picks the linked accounts and actions at consent. Most clients register themselves, and a few need a client ID and secret created in the dashboard. Backend calls go to `https://api.stackone.com/mcp` or `POST /actions/rpc` with a project API key as the Basic auth username and the linked account in `x-account-id`. Keys take scopes (Platform API, Actions, Connectors, Credentials, Unified API) and can be disabled or deleted. Session token URLs (`https://api.stackone.com/mcp?token=...`) cover one linked account, carry the access in the URL and expire after one year by default.",
      "pricing": "freemium",
      "pricingNotes": "Free to start with no card, per the pricing page. Gateway Starter is free with 1,000 credits a seat a month, one credit per tool call or API call, and extra credits at $60 per 20,000. Gateway Team is $600 a month ($6,000 a year) with 5,000 credits a seat a month and extra credits at $20 per 20,000. The pricing calculator's markup gives 10 seats included on Team and $15 a further seat, which the page text doesn't state. OEM Core is free with a monthly credit allowance and volume prices on request. Enterprise plans are priced on contract. Browser use, premium defence and data sync cost more than one credit, at rates not published. The Service Consumption Schedule of 30 March 2026 gives $0.003 per Action Call as overage and counts unsuccessful requests, while the pricing page says background and failed calls aren't billed (https://www.stackone.com/pricing/, checked 2026-10-09).",
      "priceSummary": "$600 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs index, the pricing page, the SaaS terms or the Service Consumption Schedule (checked 2026-10-09).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": 30,
        "npmWeekly": 277,
        "pypiWeekly": null,
        "asOf": "2026-10-09"
      },
      "docsUrl": "https://docs.stackone.com/introduction",
      "llmsTxt": "https://docs.stackone.com/llms.txt",
      "openapi": "https://api.eu1.stackone.com/v2/oas/stackone.json",
      "registryName": "com.stackone/mcp",
      "capabilities": [
        "automation.apps",
        "automation.auth",
        "automation.actions",
        "agent.tools",
        "auth.audit"
      ],
      "tags": [
        "hosted",
        "mcp",
        "a2a",
        "freemium",
        "free-tier",
        "no-card",
        "oauth",
        "api-key",
        "openapi",
        "llms-txt",
        "typescript",
        "python",
        "enterprise",
        "status-page",
        "soc2",
        "mcp-registry",
        "closed-source"
      ],
      "lastRelease": "2026-09-24",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 69.1,
        "grade": "B",
        "agentReady": false,
        "rank": 198,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 3,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 75,
          "maintenance": 84,
          "payments": 38,
          "reliability": 80,
          "schema": 78,
          "security": 69,
          "transparency": 69
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-09"
        },
        "negative": -2,
        "negativeNotes": [
          "27 April 2026. `@stackone/ai` v2.8.1 fixed a flaw in which tools fetched concurrently for several accounts were stamped with the wrong `x-account-id`, so a call could run against another linked account. It is recorded as a bug fix in the changelog, with no advisory found. Fixed and documented, so 2 points (https://github.com/StackOneHQ/stackone-ai-node/blob/main/CHANGELOG.md)."
        ],
        "verdict": "StackOne's MCP server signs each person in with OAuth, lets them grant individual accounts and actions, and by default exposes two search and execute tools in place of the full catalogue. Session token URLs carry the credential in the query string for a year by default, and the Consumption Schedule and pricing page disagree on whether failed calls are billed.",
        "bestFor": "A company that wants one governed MCP endpoint for staff agents across business systems, and product teams embedding per-customer connections with HR, recruiting and CRM coverage.",
        "strengths": [
          "The MCP server at `https://mcp.stackone.com/mcp` uses OAuth per person. Access tokens last one hour, a grant lasts 90 days, and each user can revoke it under Connected Apps",
          "Advanced Tool Search replaces the tool list with two tools, search and execute, and is on by default at the OAuth consent screen",
          "Since 24 July 2026 every tool carries `readOnlyHint`, `destructiveHint` and `openWorldHint`, derived from an effects value on each action",
          "API keys are limited to one project and take scopes for the Platform API, Actions, Connectors, Credentials and the Unified API. Credentials access is off by default",
          "Rate limit published at 1,000 requests a minute per API key, with `Retry-After` in seconds on 429 and 408 responses",
          "Defender scans tool results for prompt injection and is on for new projects. Its Light Scan engine is open source under Apache-2.0"
        ],
        "weaknesses": [
          "Session token URLs (`https://api.stackone.com/mcp?token=...`) put the credential in the query string, cover one linked account and expire after one year by default",
          "The Service Consumption Schedule counts every request, successful or not, as an Action Call. The pricing page says failed calls aren't billed",
          "Defender's default mode is Monitor, which records a verdict and passes the tool result to the agent unchanged",
          "Policies apply only to signed-in members. A call made with a project API key is memberless and is governed by connector profile scoping alone",
          "The Logs API, audit logs, SIEM export and an uptime SLA are Enterprise only on Gateway plans, and Starter keeps action logs for one day",
          "The Acceptable Use Policy bars competitive analysis or benchmarking other than for internal comparison, and probing or testing the Service's vulnerability without authorisation. This matters before any probe is run",
          "`@stackone/ai` stamped tools with the wrong `x-account-id` when accounts were fetched concurrently, until v2.8.1 on 27 April 2026. No advisory was found"
        ],
        "agentNotes": [
          "Send `Accept: application/json,text/event-stream` on every MCP request to `https://api.stackone.com/mcp`, by POST only. Without it the server answers 406",
          "In `search_execute` mode call `{provider}_search_actions` first and pass the returned `action_id` to `{provider}_execute_action`. Never hardcode action ids",
          "Pass the API key as the Basic auth username with an empty password, and name the linked account in `x-account-id`",
          "On 429 or 408 wait the seconds given in `Retry-After`. StackOne has already retried a provider's 429 up to five times within a 60-second request lifetime",
          "On 412 read `errorCode` and `details.statusReasons`. `AccountErrorStatus` needs a person to re-authenticate the linked account"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "B",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 69.1
          }
        ],
        "editorialScores": {
          "ergonomics": 75,
          "maintenance": 84,
          "payments": 38,
          "reliability": 80,
          "schema": 78,
          "security": 69,
          "transparency": 50
        },
        "provenanceScore": 88
      },
      "connect": {
        "install": "npm install @stackone/ai",
        "http": "curl -X POST \"https://api.stackone.com/actions/rpc\" \\\n  -u \"$STACKONE_API_KEY:\" \\\n  -H \"x-account-id: your-account-id\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"action\": \"bamboohr_list_employees\", \"query\": {\"page_size\": 25}}'",
        "claudeCode": "claude mcp add --transport http --scope user stackone https://mcp.stackone.com/mcp"
      },
      "letme": {
        "capability": "https://letme.dev/automation.apps",
        "tool": "https://letme.dev/stackone"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Gateway Team plan",
          "unit": "month",
          "usd": 600,
          "note": "5,000 credits a seat a month, one credit per tool call or API call. $6,000 billed yearly"
        },
        {
          "item": "Extra credits, Gateway Starter",
          "unit": "1k-calls",
          "usd": 3,
          "note": "$60 per 20,000 credits, valid 12 months. Advanced capabilities cost more than one credit a call"
        },
        {
          "item": "Extra credits, Gateway Team",
          "unit": "1k-calls",
          "usd": 1,
          "note": "$20 per 20,000 credits, valid 12 months"
        }
      ],
      "provenance": {
        "legalEntity": "StackOne Technologies Limited",
        "domain": "stackone.com",
        "domainRegistered": "2013-06-25",
        "endpointOnVendorDomain": true,
        "terms": "https://www.stackone.com/terms/saas-terms/",
        "privacy": "https://www.stackone.com/terms/privacy-policy/",
        "statusPage": "https://status.stackone.com",
        "changelog": "https://www.stackone.com/changelog/",
        "securityTxt": "none",
        "checked": "2026-10-09",
        "notes": [
          "The SaaS Terms and Conditions, effective 30 March 2026, name StackOne Technologies Limited, company number 14684360, registered at 2 Communications Road, Newbury, Berkshire, RG19 6AB, under the laws of England and Wales. They take effect when a customer first accesses the Service or signs an order.",
          "The contact page says StackOne operates in the United States as StackOne Technologies Inc., 2261 Market Street, San Francisco.",
          "The Platform Privacy Policy, last updated 1 December 2023, covers the web application and API and says it does not cover the website. A separate Privacy Notice covers the website.",
          "The MCP server answers at mcp.stackone.com, the API at api.stackone.com and A2A at a2a.stackone.com.",
          "www.stackone.com/.well-known/security.txt returned 404.",
          "RDAP for stackone.com gives a registration date of 2013-06-25. The company was incorporated later, per its company number.",
          "status.stackone.com runs on incident.io and lists the Web Dashboard, the API (US, EU and UK) and the Connectors Hub.",
          "trust.stackone.com, which the terms cite for the security policy and the sub-processor list, answered our reader with a bot check and was not read."
        ],
        "score": 88
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/stackone.json",
      "live": {
        "slug": "stackone",
        "probe": {
          "target": "https://mcp.stackone.com/mcp",
          "method": "mcp-initialize",
          "lastAt": "2026-10-10T02:07:26.369561075Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 377,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 112,
          "p95ms24h": 295,
          "samples24h": 107,
          "samples30d": 107,
          "days": [
            {
              "date": "2026-10-09",
              "probes": 85,
              "ok": 85
            },
            {
              "date": "2026-10-10",
              "probes": 22,
              "ok": 22
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.stackone.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-10T02:06:29.204045169Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "StackOneHQ/stackone-ai-node",
            "version": "v2.10.0",
            "released": "2026-07-27",
            "seenAt": "2026-10-09T17:21:48.091098138Z"
          },
          {
            "registry": "npm",
            "name": "@stackone/ai",
            "version": "2.10.0",
            "seenAt": "2026-10-09T17:21:45.859326927Z"
          },
          {
            "registry": "npm",
            "name": "@stackone/defender",
            "version": "0.8.3",
            "seenAt": "2026-10-09T17:21:46.919917579Z"
          },
          {
            "registry": "pypi",
            "name": "stackone-ai",
            "version": "2.10.1",
            "released": "2026-07-28",
            "seenAt": "2026-10-09T17:21:46.731430671Z"
          }
        ],
        "githubStars": 30,
        "npmWeekly": 277,
        "pypiWeekly": 120,
        "pages": [
          {
            "url": "https://www.stackone.com/changelog/",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-09T18:54:33.415845489Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "a8dc254bb424"
          },
          {
            "url": "https://www.stackone.com/pricing/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:54:35.567295878Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "98687cfb089f"
          },
          {
            "url": "https://www.stackone.com/terms/privacy-policy/",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-09T18:54:37.551620202Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "011ecd948b67"
          },
          {
            "url": "https://www.stackone.com/terms/saas-terms/",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-09T18:54:39.532884111Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "393a890498df"
          }
        ],
        "mcpTools": {
          "url": "https://mcp.stackone.com/mcp",
          "checkedAt": "2026-10-09T21:40:55.809059913Z",
          "status": "auth",
          "note": "asks for credentials before listing its tools",
          "changedAt": "2026-10-09T21:40:55.809059913Z"
        },
        "updatedAt": "2026-10-10T02:07:26.369561075Z"
      }
    },
    "answer": "StackOne scores 69.1 (B) on agent readiness against Zapier MCP (agent actions)'s 58.1 (C), and leads in 6 of 7 scored categories.",
    "b": {
      "slug": "zapier-mcp",
      "name": "Zapier MCP (agent actions)",
      "vendor": "Zapier",
      "vendorUrl": "https://zapier.com/mcp",
      "kind": "mcp",
      "category": "aggregator",
      "summary": "Hosted MCP server that lets agents discover and run actions across apps connected to the user's Zapier account.",
      "url": "https://www.anchorterminal.com/tools/zapier-mcp",
      "markdownUrl": "https://www.anchorterminal.com/tools/zapier-mcp.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/zapier-mcp.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/zapier-mcp.json",
      "license": "proprietary",
      "transports": [
        "streamable-http"
      ],
      "remoteUrl": "https://mcp.zapier.com/api/v1/connect",
      "packages": [
        {
          "registry": "npm",
          "name": "@zapier/zapier-sdk"
        },
        {
          "registry": "npm",
          "name": "@zapier/zapier-sdk-mcp"
        }
      ],
      "auth": "mixed",
      "authNotes": "OAuth from inside a listed MCP client, where Zapier provisions a server per client at sign-in. Otherwise a long-lived per-server connection token as 'Authorization: Bearer' (a ?token= query form also works, and the docs prefer the header). App credentials stay in Zapier and never reach the model. Each person signs in to their own Zapier account, and MCP Embed lets a product create servers for its users behind an embed secret. Streamable HTTP only, SSE-only clients can't connect.",
      "pricing": "byo-plan",
      "pricingNotes": "No separate MCP bill. Each successful tool call uses 2 tasks from the Zapier plan and failed calls are free. Free has 100 tasks a month (50 calls). Professional starts at $19.99 a month billed annually for 750 tasks, Team at $69 for 2,000 tasks. With pay-per-task on, calls continue past the limit at 1.25x (annual) or 2.5x (monthly) the base rate, otherwise they stop until the cycle resets. The SDK is free during its open beta (https://zapier.com/pricing).",
      "priceSummary": "Your plan",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 support in Zapier MCP docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 16,
      "popularity": {
        "githubStars": 422,
        "npmWeekly": 238672,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.zapier.com/mcp/home",
      "llmsTxt": "https://docs.zapier.com/llms.txt",
      "registryName": "com.zapier/mcp",
      "capabilities": [
        "automation.apps",
        "automation.auth",
        "automation.actions",
        "agent.tools"
      ],
      "tags": [
        "official",
        "hosted",
        "oauth",
        "closed-source",
        "aggregator",
        "mcp",
        "llms-txt",
        "freemium",
        "typescript"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 58.1,
        "grade": "C",
        "agentReady": false,
        "rank": 588,
        "ranked": true,
        "rankOf": 950,
        "categoryRank": 6,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 67,
          "maintenance": 76,
          "payments": 35,
          "reliability": 48,
          "schema": 64,
          "security": 56,
          "transparency": 73
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "16 meta-tools in agentic mode, or managed mode with only the actions you pick. Connection tokens are long-lived and the docs allow them in the URL query string.",
        "bestFor": "Best when an agent needs one-off actions across many SaaS apps that a person has already connected in Zapier.",
        "strengths": [
          "16 meta-tools in agentic mode, or managed mode with only the actions you pick",
          "Failed calls and discovery are free, and each successful call costs two tasks",
          "An MCP component on the status page and per-call activity logs for the user",
          "Account-level app and action restrictions apply to MCP, and admins can switch it off per workspace",
          "Free plan with 100 tasks a month and no card"
        ],
        "weaknesses": [
          "Connection tokens are long-lived and the docs allow them in the URL query string",
          "No numeric rate limits and no retry guidance when the task cap is hit",
          "Only Enterprise is opted out of AI training and gets configurable retention",
          "Batch work counts per item, so five rows written is ten tasks",
          "Streamable HTTP only, SSE-only clients can't connect"
        ],
        "agentNotes": [
          "Call discover_zapier_actions and enable_zapier_action before executing, discovery is free and execution costs two tasks",
          "Use execute_zapier_read_action for lookups, keep execute_zapier_write_action for changes",
          "Send the connection token in the `Authorization` header, never in the URL",
          "Count batch writes per item before starting, five rows is ten tasks"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 58.1
          }
        ],
        "editorialScores": {
          "ergonomics": 67,
          "maintenance": 76,
          "payments": 35,
          "reliability": 48,
          "schema": 64,
          "security": 56,
          "transparency": 61
        },
        "provenanceScore": 84
      },
      "connect": {
        "install": "npm install @zapier/zapier-sdk",
        "claudeCode": "claude mcp add --transport http zapier https://mcp.zapier.com/api/v1/connect --header \"Authorization: Bearer ${ZAPIER_MCP_TOKEN}\"",
        "config": {
          "mcpServers": {
            "zapier": {
              "headers": {
                "Authorization": "Bearer ${ZAPIER_MCP_TOKEN}"
              },
              "url": "https://mcp.zapier.com/api/v1/connect"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/automation.apps",
        "tool": "https://letme.dev/zapier-mcp"
      },
      "alsoIn": [
        "agent-auth"
      ],
      "area": "business",
      "unitPrices": [
        {
          "item": "Professional, 750 tasks",
          "unit": "month",
          "usd": 19.99,
          "note": "billed annually, 375 successful MCP calls"
        },
        {
          "item": "Team, 2,000 tasks",
          "unit": "month",
          "usd": 69,
          "note": "billed annually, 1,000 successful MCP calls"
        }
      ],
      "provenance": {
        "legalEntity": "Zapier Inc.",
        "domain": "zapier.com",
        "domainRegistered": "2011-10-30",
        "endpointOnVendorDomain": true,
        "terms": "https://zapier.com/legal/terms-of-service",
        "privacy": "https://zapier.com/privacy",
        "statusPage": "https://status.zapier.com",
        "changelog": "https://docs.zapier.com/sdk/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 84
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/zapier-mcp.json",
      "live": {
        "slug": "zapier-mcp",
        "probe": {
          "target": "https://mcp.zapier.com/api/v1/connect",
          "method": "mcp-initialize",
          "lastAt": "2026-10-10T02:07:32.032461023Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 166,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 99.6,
          "uptime30d": 99.97,
          "p50ms24h": 148,
          "p95ms24h": 346,
          "samples24h": 250,
          "samples30d": 3412,
          "days": [
            {
              "date": "2026-09-27",
              "probes": 132,
              "ok": 132
            },
            {
              "date": "2026-09-28",
              "probes": 285,
              "ok": 285
            },
            {
              "date": "2026-09-29",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-09-30",
              "probes": 286,
              "ok": 286
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-05",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-06",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-07",
              "probes": 272,
              "ok": 272
            },
            {
              "date": "2026-10-08",
              "probes": 268,
              "ok": 268
            },
            {
              "date": "2026-10-09",
              "probes": 250,
              "ok": 249
            },
            {
              "date": "2026-10-10",
              "probes": 22,
              "ok": 22
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.zapier.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-10T02:06:34.836238324Z"
        },
        "versions": [
          {
            "registry": "mcp-registry",
            "name": "com.zapier/mcp",
            "version": "1.0.1",
            "seenAt": "2026-10-09T02:57:46.004536428Z"
          },
          {
            "registry": "npm",
            "name": "@zapier/zapier-sdk",
            "version": "0.115.1",
            "seenAt": "2026-10-09T17:29:26.923405062Z"
          },
          {
            "registry": "npm",
            "name": "@zapier/zapier-sdk-mcp",
            "version": "0.27.7",
            "seenAt": "2026-10-09T17:29:27.791185583Z"
          }
        ],
        "npmWeekly": 256867,
        "securityTxt": {
          "url": "https://zapier.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-09T15:39:20.723854754Z"
        },
        "llmsTxt": {
          "url": "https://docs.zapier.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-09T14:03:02.822431744Z"
        },
        "domain": {
          "domain": "zapier.com",
          "registered": "2011-10-30",
          "source": "https://rdap.verisign.com/com/v1/domain/zapier.com",
          "checkedAt": "2026-10-04T13:07:30.742574303Z"
        },
        "pages": [
          {
            "url": "https://docs.zapier.com/sdk/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-09T18:38:51.650160352Z",
            "changedAt": "2026-10-09T18:38:51.650160352Z",
            "fingerprint": "dc25f0648eb8"
          },
          {
            "url": "https://docs.zapier.com/llms.txt",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-09T18:38:49.206631228Z",
            "changedAt": "2026-10-08T18:19:50.349275428Z",
            "fingerprint": "9f1b3ecc952e"
          },
          {
            "url": "https://zapier.com/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-09T18:56:15.666764079Z",
            "changedAt": "2026-10-09T18:56:15.666764079Z",
            "fingerprint": "a59b05fcd282"
          },
          {
            "url": "https://zapier.com/privacy",
            "kind": "privacy",
            "status": 304,
            "checkedAt": "2026-10-09T18:56:17.570135225Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "a335cbd9bdbf"
          },
          {
            "url": "https://zapier.com/legal/terms-of-service",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-09T18:56:13.294046835Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "b01831084feb"
          }
        ],
        "mcpTools": {
          "url": "https://mcp.zapier.com/api/v1/connect",
          "checkedAt": "2026-10-09T21:40:56.361230834Z",
          "status": "auth",
          "note": "asks for credentials before listing its tools",
          "changedAt": "2026-09-28T21:55:55.261094018Z"
        },
        "updatedAt": "2026-10-10T02:07:32.032461023Z"
      }
    },
    "facts": [
      {
        "a": "MCP server",
        "b": "MCP server",
        "name": "Kind"
      },
      {
        "a": "StackOne Technologies Limited",
        "b": "Zapier",
        "name": "Vendor"
      },
      {
        "a": "https://mcp.stackone.com/mcp",
        "b": "https://mcp.zapier.com/api/v1/connect",
        "name": "Hosted endpoint"
      },
      {
        "a": "Streamable HTTP, HTTP",
        "b": "Streamable HTTP",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Freemium",
        "b": "Your plan",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service under StackOne's SaaS Terms and Conditions. The Agent SDKs (`@stackone/ai`, `stackone-ai`) and the Defender package (`@stackone/defender`) are Apache-2.0",
        "b": "proprietary",
        "name": "Licence"
      },
      {
        "a": "none",
        "b": "16",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "com.stackone/mcp",
        "b": "com.zapier/mcp",
        "name": "MCP registry"
      },
      {
        "a": "2026-09-24",
        "b": "2026-09-29",
        "name": "Last release"
      },
      {
        "a": "2026-03-30",
        "b": "couldn't be read",
        "name": "Terms last updated"
      },
      {
        "a": "2023-12-01",
        "b": "couldn't be read",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "couldn't be read",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "couldn't be read",
        "name": "Terms restrict automated access"
      },
      {
        "a": "not found in the text",
        "b": "couldn't be read",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "couldn't be read",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "not found in the text",
        "b": "couldn't be read",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "30 stars, 277 npm/wk",
        "b": "422 stars, 239k npm/wk",
        "name": "Popularity"
      },
      {
        "a": "none",
        "b": "2.5/5 (2)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "StackOne scores 69.1 (B) on agent readiness against Zapier MCP (agent actions)'s 58.1 (C), and leads in 6 of 7 scored categories.",
        "question": "Which is better for AI agents, StackOne or Zapier MCP (agent actions)?"
      },
      {
        "answer": "Both take an API key or an OAuth sign-in.",
        "question": "Do StackOne and Zapier MCP (agent actions) need an API key?"
      },
      {
        "answer": "Yes. StackOne has a hosted endpoint at https://mcp.stackone.com/mcp and Zapier MCP (agent actions) at https://mcp.zapier.com/api/v1/connect.",
        "question": "Can an agent call StackOne and Zapier MCP (agent actions) without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Reliability, 80 against 48",
          "Schema \u0026 documentation, 78 against 64",
          "Agent ergonomics, 75 against 67",
          "Security \u0026 auth, 69 against 56",
          "Maintenance \u0026 community, 84 against 76"
        ],
        "also": [
          "Free to start without a card"
        ],
        "goodFor": "A company that wants one governed MCP endpoint for staff agents across business systems, and product teams embedding per-customer connections with HR, recruiting and CRM coverage.",
        "slug": "stackone",
        "watchFor": "Session token URLs (`https://api.stackone.com/mcp?token=...`) put the credential in the query string, cover one linked account and expire after one year by default"
      },
      {
        "aheadOn": null,
        "also": null,
        "goodFor": "Best when an agent needs one-off actions across many SaaS apps that a person has already connected in Zapier.",
        "slug": "zapier-mcp",
        "watchFor": "Connection tokens are long-lived and the docs allow them in the URL query string"
      }
    ],
    "job": {
      "capability": "automation.apps",
      "name": "App automation"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/composio-rube-vs-stackone.json",
        "title": "Composio (API + MCP) vs StackOne",
        "url": "https://www.anchorterminal.com/compare/composio-rube-vs-stackone"
      },
      {
        "json": "https://www.anchorterminal.com/compare/composio-rube-vs-zapier-mcp.json",
        "title": "Composio (API + MCP) vs Zapier MCP (agent actions)",
        "url": "https://www.anchorterminal.com/compare/composio-rube-vs-zapier-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/merge-agent-handler-vs-stackone.json",
        "title": "Merge Agent Handler vs StackOne",
        "url": "https://www.anchorterminal.com/compare/merge-agent-handler-vs-stackone"
      },
      {
        "json": "https://www.anchorterminal.com/compare/merge-agent-handler-vs-zapier-mcp.json",
        "title": "Merge Agent Handler vs Zapier MCP (agent actions)",
        "url": "https://www.anchorterminal.com/compare/merge-agent-handler-vs-zapier-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/one-vs-stackone.json",
        "title": "One vs StackOne",
        "url": "https://www.anchorterminal.com/compare/one-vs-stackone"
      },
      {
        "json": "https://www.anchorterminal.com/compare/one-vs-zapier-mcp.json",
        "title": "One vs Zapier MCP (agent actions)",
        "url": "https://www.anchorterminal.com/compare/one-vs-zapier-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/smithery-vs-stackone.json",
        "title": "Smithery vs StackOne",
        "url": "https://www.anchorterminal.com/compare/smithery-vs-stackone"
      },
      {
        "json": "https://www.anchorterminal.com/compare/smithery-vs-zapier-mcp.json",
        "title": "Smithery vs Zapier MCP (agent actions)",
        "url": "https://www.anchorterminal.com/compare/smithery-vs-zapier-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/stackone-vs-unified-to-mcp.json",
        "title": "StackOne vs Unified.to MCP Server",
        "url": "https://www.anchorterminal.com/compare/stackone-vs-unified-to-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/unified-to-mcp-vs-zapier-mcp.json",
        "title": "Unified.to MCP Server vs Zapier MCP (agent actions)",
        "url": "https://www.anchorterminal.com/compare/unified-to-mcp-vs-zapier-mcp"
      },
      {
        "json": "https://www.anchorterminal.com/compare/letme-vs-stackone.json",
        "title": "letme vs StackOne",
        "url": "https://www.anchorterminal.com/compare/letme-vs-stackone"
      },
      {
        "json": "https://www.anchorterminal.com/compare/letme-vs-zapier-mcp.json",
        "title": "letme vs Zapier MCP (agent actions)",
        "url": "https://www.anchorterminal.com/compare/letme-vs-zapier-mcp"
      }
    ],
    "scores": [
      {
        "by": 32,
        "edge": "stackone",
        "key": "reliability",
        "name": "Reliability",
        "stackone": 80,
        "weight": 16,
        "zapier-mcp": 48
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 14,
        "edge": "stackone",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "stackone": 78,
        "weight": 13,
        "zapier-mcp": 64
      },
      {
        "by": 8,
        "edge": "stackone",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "stackone": 75,
        "weight": 13,
        "zapier-mcp": 67
      },
      {
        "by": 13,
        "edge": "stackone",
        "key": "security",
        "name": "Security \u0026 auth",
        "stackone": 69,
        "weight": 14,
        "zapier-mcp": 56
      },
      {
        "by": 3,
        "edge": "stackone",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "stackone": 38,
        "weight": 10,
        "zapier-mcp": 35
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 8,
        "edge": "stackone",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "stackone": 84,
        "weight": 7,
        "zapier-mcp": 76
      },
      {
        "by": 4,
        "edge": "zapier-mcp",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "stackone": 69,
        "weight": 7,
        "zapier-mcp": 73
      }
    ],
    "summary": "StackOne scores 69.1 (B) on agent readiness against Zapier MCP (agent actions)'s 58.1 (C), and leads in 6 of 7 scored categories. Both do app automation.",
    "verdicts": {
      "stackone": "StackOne's MCP server signs each person in with OAuth, lets them grant individual accounts and actions, and by default exposes two search and execute tools in place of the full catalogue. Session token URLs carry the credential in the query string for a year by default, and the Consumption Schedule and pricing page disagree on whether failed calls are billed.",
      "zapier-mcp": "16 meta-tools in agentic mode, or managed mode with only the actions you pick. Connection tokens are long-lived and the docs allow them in the URL query string."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp",
    "json": "https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp.md",
    "slim": "https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp.min.md"
  },
  "markdown": "StackOne scores 69.1 (B) on agent readiness against Zapier MCP (agent actions)'s 58.1 (C), and leads in 6 of 7 scored categories. Both do app automation.\n\n- StackOne: grade B, 69.1/100, rank #198 of 950. Markdown https://www.anchorterminal.com/tools/stackone.md · JSON https://www.anchorterminal.com/api/v1/tools/stackone.json\n- Zapier MCP (agent actions): grade C, 58.1/100, rank #588 of 950. Markdown https://www.anchorterminal.com/tools/zapier-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/zapier-mcp.json\n- Best agent tool access platforms: https://www.anchorterminal.com/best/aggregator/index.md\n- All 28 tool access comparisons: https://www.anchorterminal.com/compare/aggregator/index.md\n- Best auth and delegated access for AI agents: https://www.anchorterminal.com/best/agent-auth/index.md\n- All 111 agent auth comparisons: https://www.anchorterminal.com/compare/agent-auth/index.md\n\n## Which one, for what\n\n### StackOne (B)\n\nGood for: A company that wants one governed MCP endpoint for staff agents across business systems, and product teams embedding per-customer connections with HR, recruiting and CRM coverage.\n\nAhead on:\n- Reliability, 80 against 48\n- Schema \u0026 documentation, 78 against 64\n- Agent ergonomics, 75 against 67\n- Security \u0026 auth, 69 against 56\n- Maintenance \u0026 community, 84 against 76\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: Session token URLs (`https://api.stackone.com/mcp?token=...`) put the credential in the query string, cover one linked account and expire after one year by default\n\n### Zapier MCP (agent actions) (C)\n\nGood for: Best when an agent needs one-off actions across many SaaS apps that a person has already connected in Zapier.\n\nWatch for: Connection tokens are long-lived and the docs allow them in the URL query string\n\n\n## Score by category\n\n| Category | Weight | StackOne | Zapier MCP (agent actions) | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 80 | 48 | StackOne +32 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 78 | 64 | StackOne +14 |\n| Agent ergonomics | 13% (16.2 this run) | 75 | 67 | StackOne +8 |\n| Security \u0026 auth | 14% (17.5 this run) | 69 | 56 | StackOne +13 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 38 | 35 | StackOne +3 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 84 | 76 | StackOne +8 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 69 | 73 | Zapier MCP (agent actions) +4 |\n| Negative events | ≤15 | -2 | 0 | |\n| **Total** | | **69.1 · B** | **58.1 · C** | |\n\n## Facts side by side\n\n| Fact | StackOne | Zapier MCP (agent actions) |\n| --- | --- | --- |\n| Kind | MCP server | MCP server |\n| Vendor | StackOne Technologies Limited | Zapier |\n| Hosted endpoint | `https://mcp.stackone.com/mcp` | `https://mcp.zapier.com/api/v1/connect` |\n| Transports | Streamable HTTP, HTTP | Streamable HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Freemium | Your plan |\n| x402 | no | no |\n| Licence | Proprietary service under StackOne's SaaS Terms and Conditions. The Agent SDKs (`@stackone/ai`, `stackone-ai`) and the Defender package (`@stackone/defender`) are Apache-2.0 | proprietary |\n| Tools exposed | none | 16 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| MCP registry | `com.stackone/mcp` | `com.zapier/mcp` |\n| Last release | 2026-09-24 | 2026-09-29 |\n| Terms last updated | 2026-03-30 | couldn't be read |\n| Privacy policy last updated | 2023-12-01 | couldn't be read |\n| Customer content may train models | not found in the text | couldn't be read |\n| Terms restrict automated access | not found in the text | couldn't be read |\n| Terms restrict benchmarking | not found in the text | couldn't be read |\n| Terms or service can change without notice | not found in the text | couldn't be read |\n| Arbitration or class-action waiver | not found in the text | couldn't be read |\n| Popularity | 30 stars, 277 npm/wk | 422 stars, 239k npm/wk |\n| Agent reviews | none | 2.5/5 (2) |\n\n## Verdicts\n\n**StackOne.** StackOne's MCP server signs each person in with OAuth, lets them grant individual accounts and actions, and by default exposes two search and execute tools in place of the full catalogue. Session token URLs carry the credential in the query string for a year by default, and the Consumption Schedule and pricing page disagree on whether failed calls are billed.\n\n**Zapier MCP (agent actions).** 16 meta-tools in agentic mode, or managed mode with only the actions you pick. Connection tokens are long-lived and the docs allow them in the URL query string.\n\n## Before you call either\n\n### StackOne\n\n1. Send `Accept: application/json,text/event-stream` on every MCP request to `https://api.stackone.com/mcp`, by POST only. Without it the server answers 406\n2. In `search_execute` mode call `{provider}_search_actions` first and pass the returned `action_id` to `{provider}_execute_action`. Never hardcode action ids\n3. Pass the API key as the Basic auth username with an empty password, and name the linked account in `x-account-id`\n4. On 429 or 408 wait the seconds given in `Retry-After`. StackOne has already retried a provider's 429 up to five times within a 60-second request lifetime\n5. On 412 read `errorCode` and `details.statusReasons`. `AccountErrorStatus` needs a person to re-authenticate the linked account\n\n### Zapier MCP (agent actions)\n\n1. Call discover_zapier_actions and enable_zapier_action before executing, discovery is free and execution costs two tasks\n2. Use execute_zapier_read_action for lookups, keep execute_zapier_write_action for changes\n3. Send the connection token in the `Authorization` header, never in the URL\n4. Count batch writes per item before starting, five rows is ten tasks\n\n## Questions\n\n### Which is better for AI agents, StackOne or Zapier MCP (agent actions)?\n\nStackOne scores 69.1 (B) on agent readiness against Zapier MCP (agent actions)'s 58.1 (C), and leads in 6 of 7 scored categories.\n\n### Do StackOne and Zapier MCP (agent actions) need an API key?\n\nBoth take an API key or an OAuth sign-in.\n\n### Can an agent call StackOne and Zapier MCP (agent actions) without installing anything?\n\nYes. StackOne has a hosted endpoint at https://mcp.stackone.com/mcp and Zapier MCP (agent actions) at https://mcp.zapier.com/api/v1/connect.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp.json, and with the fewest tokens: https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"stackone\", \"b\": \"zapier-mcp\"}`. From a terminal: `anchor compare stackone zapier-mcp`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/stackone.json and https://www.anchorterminal.com/api/v1/tools/zapier-mcp.json\n\n## Other comparisons with StackOne or Zapier MCP (agent actions)\n\n- [Composio (API + MCP) vs StackOne](https://www.anchorterminal.com/compare/composio-rube-vs-stackone.md)\n- [Composio (API + MCP) vs Zapier MCP (agent actions)](https://www.anchorterminal.com/compare/composio-rube-vs-zapier-mcp.md)\n- [Merge Agent Handler vs StackOne](https://www.anchorterminal.com/compare/merge-agent-handler-vs-stackone.md)\n- [Merge Agent Handler vs Zapier MCP (agent actions)](https://www.anchorterminal.com/compare/merge-agent-handler-vs-zapier-mcp.md)\n- [One vs StackOne](https://www.anchorterminal.com/compare/one-vs-stackone.md)\n- [One vs Zapier MCP (agent actions)](https://www.anchorterminal.com/compare/one-vs-zapier-mcp.md)\n- [Smithery vs StackOne](https://www.anchorterminal.com/compare/smithery-vs-stackone.md)\n- [Smithery vs Zapier MCP (agent actions)](https://www.anchorterminal.com/compare/smithery-vs-zapier-mcp.md)\n- [StackOne vs Unified.to MCP Server](https://www.anchorterminal.com/compare/stackone-vs-unified-to-mcp.md)\n- [Unified.to MCP Server vs Zapier MCP (agent actions)](https://www.anchorterminal.com/compare/unified-to-mcp-vs-zapier-mcp.md)\n- [letme vs StackOne](https://www.anchorterminal.com/compare/letme-vs-stackone.md)\n- [letme vs Zapier MCP (agent actions)](https://www.anchorterminal.com/compare/letme-vs-zapier-mcp.md)\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-10",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.4",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "page": {
    "breadcrumbs": [
      {
        "name": "Home",
        "url": "https://www.anchorterminal.com/"
      },
      {
        "name": "Compare",
        "url": "https://www.anchorterminal.com/compare/"
      },
      {
        "name": "StackOne vs Zapier MCP (agent actions)",
        "url": ""
      }
    ],
    "description": "StackOne scores 69.1 (B) to Zapier MCP's 58.1 (C) for app automation. Prices, MCP, x402, uptime and agent notes side by side.",
    "facts": [
      "StackOne B 69.1",
      "Zapier MCP (agent actions) C 58.1",
      "scores"
    ],
    "h1": "StackOne vs Zapier MCP (agent actions)",
    "image": "https://www.anchorterminal.com/assets/og/compare-stackone-vs-zapier-mcp.png",
    "path": "/compare/stackone-vs-zapier-mcp",
    "published": "2026-10-01",
    "section": "tools",
    "title": "StackOne vs Zapier MCP for AI agents in 2026: scores and prices",
    "toc": null,
    "updated": "2026-10-09",
    "url": "https://www.anchorterminal.com/compare/stackone-vs-zapier-mcp"
  },
  "tokens": {
    "markdown": 2250,
    "slim": 780
  },
  "version": 1
}