{
  "data": {
    "a": {
      "slug": "nutshell",
      "name": "Nutshell",
      "vendor": "Nutshell, Inc.",
      "vendorUrl": "https://www.nutshell.com",
      "kind": "http-api",
      "category": "crm",
      "summary": "Nutshell is a sales CRM for small teams, with email marketing and quoting built in. Agents reach it through a REST API at `app.nutshell.com/rest`, a legacy JSON-RPC API, webhooks and a hosted read-only MCP server.",
      "url": "https://www.anchorterminal.com/tools/nutshell",
      "markdownUrl": "https://www.anchorterminal.com/tools/nutshell.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/nutshell.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/nutshell.json",
      "license": "Proprietary service under Nutshell's Terms of Service",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://app.nutshell.com/rest",
      "packages": [],
      "auth": "mixed",
      "authNotes": "REST and JSON-RPC use HTTP Basic over HTTPS, with a Nutshell user's email as the username and an API key as the password. An admin creates keys under Setup, API keys, and chooses a permission type, one of which allows impersonating any user. Keys have no scopes. The MCP server at `https://app.nutshell.com/mcp` uses OAuth authorisation code with PKCE (S256), dynamic client registration at `/oauth/register`, a revocation endpoint and two scopes, `read` and `write`. Access is self-serve on every plan and the trial.",
      "pricing": "paid",
      "pricingNotes": "No free plan. A 14-day trial needs no card, and the API and MCP server are included on every plan. Five plans a seat a month billed yearly, Foundation $13, Growth $25, Pro $42, Business $59 and Enterprise $79, or $19, $32, $49, $67 and $89 billed monthly. API calls are not billed separately. The docs publish sandbox credentials for a demo account (https://www.nutshell.com/pricing, checked 2026-10-08).",
      "priceSummary": "$13 / seat-mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the developer docs, the OAuth metadata or the pricing page (checked 2026-10-08).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://developers.nutshell.com/",
      "llmsTxt": "https://developers.nutshell.com/llms.txt",
      "capabilities": [
        "crm.records",
        "crm.pipeline",
        "crm.activities",
        "crm.search",
        "crm.webhooks"
      ],
      "tags": [
        "hosted",
        "closed-source",
        "mcp",
        "oauth",
        "llms-txt",
        "webhooks",
        "no-card",
        "status-page",
        "soc2"
      ],
      "lastRelease": "2026-08-21",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 49.6,
        "grade": "D",
        "agentReady": false,
        "rank": 607,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 12,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 44,
          "maintenance": 46,
          "payments": 35,
          "reliability": 42,
          "schema": 57,
          "security": 58,
          "transparency": 71
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": 0,
        "verdict": "The REST reference is served as Markdown with an OpenAPI fragment per operation, and the hosted MCP server uses OAuth with PKCE and can only read. No rate limit numbers, error format or API changelog were found in the reviewed documentation, and API keys carry no scopes.",
        "bestFor": "Small sales teams already on Nutshell who want an agent to read pipeline data over MCP or write records over REST at a low seat price.",
        "strengths": [
          "API access and the MCP server are included on every plan, from Foundation at $13 a seat a month billed yearly",
          "`developers.nutshell.com/llms.txt` indexes 114 REST operations, each served as Markdown with its OpenAPI 3.0 definition",
          "Hosted MCP server at `https://app.nutshell.com/mcp` with OAuth, PKCE, dynamic client registration, a revocation endpoint and read-only tools",
          "Terms and privacy policy of 2 June 2026 both state that customer data is not used to train generalised AI models",
          "14-day trial with no card, and the docs publish sandbox credentials for a demo account"
        ],
        "weaknesses": [
          "No rate limit numbers, 429 handling or Retry-After found for the REST API",
          "Error responses are documented on 9 of 114 operations, with no error body schema, and an unauthenticated REST call returns an HTML page",
          "API keys have no scopes or read-only type, and the key travels as an HTTP Basic password with a user's email",
          "No dated API changelog, no official SDK for REST and whole-spec OpenAPI download is disabled",
          "A database fault on 28 September 2026 left the application unavailable for some customers, marked major on the status page"
        ],
        "agentNotes": [
          "Authenticate REST calls with HTTP Basic, a Nutshell user's email as username and the API key as password, against `https://app.nutshell.com/rest`",
          "Use IDs in the `\u003cnumber\u003e-\u003ctype\u003e` form, such as `3-accounts`, and send updates as JSON Patch with `content-type: application/json-patch+json`",
          "Page lists with `page[limit]` and `page[page]`, which is 0-based, and call `/accounts/list/fields` or the lead and contact equivalents for valid filter keys",
          "Use the REST API for writes. The MCP server only reads, and OAuth tokens need the `read` scope",
          "Filter webhook events yourself, because every webhook receives all events and subscriptions are created in Setup, not through the API"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 0,
        "avgRating": 0,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 49.6
          }
        ],
        "editorialScores": {
          "ergonomics": 44,
          "maintenance": 46,
          "payments": 35,
          "reliability": 42,
          "schema": 57,
          "security": 58,
          "transparency": 56
        },
        "provenanceScore": 86
      },
      "connect": {
        "http": "curl -u \"$NUTSHELL_USER_EMAIL:$NUTSHELL_API_KEY\" \\\n  --url https://app.nutshell.com/rest/accounts \\\n  --header 'accept: */*'"
      },
      "letme": {
        "capability": "https://letme.dev/crm.records",
        "tool": "https://letme.dev/nutshell"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Foundation (API and MCP included, 100 open leads)",
          "unit": "seat-month",
          "usd": 13,
          "note": "billed yearly; $19 billed monthly"
        },
        {
          "item": "Growth",
          "unit": "seat-month",
          "usd": 25,
          "note": "billed yearly; $32 billed monthly"
        },
        {
          "item": "Pro",
          "unit": "seat-month",
          "usd": 42,
          "note": "billed yearly; $49 billed monthly"
        },
        {
          "item": "Business (first plan with the audit log)",
          "unit": "seat-month",
          "usd": 59,
          "note": "billed yearly; $67 billed monthly"
        },
        {
          "item": "Enterprise (SSO and SQL access)",
          "unit": "seat-month",
          "usd": 79,
          "note": "billed yearly; $89 billed monthly"
        }
      ],
      "provenance": {
        "legalEntity": "Nutshell, Inc.",
        "domain": "nutshell.com",
        "domainRegistered": "1995-05-02",
        "endpointOnVendorDomain": true,
        "terms": "https://www.nutshell.com/legal/terms",
        "privacy": "https://www.nutshell.com/legal/privacy",
        "statusPage": "https://status.nutshell.com",
        "changelog": "https://www.nutshell.com/product-updates",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The Terms of Service (last updated 2 June 2026) name Nutshell, Inc., 1705 North Front Street, Harrisburg, PA 17102, cover the applications and APIs, and are governed by Pennsylvania law. The site footer says Nutshell is brought to you by WebFX.",
          "The REST API, the JSON-RPC API and the MCP server all answer at app.nutshell.com.",
          "www.nutshell.com/.well-known/security.txt returns 404. The security page asks for reports at security@nutshell.com and says there is no bug bounty.",
          "The product updates page lists launches without dates and is not an API changelog. No dated API changelog was found.",
          "The subprocessor list is at trust.nutshell.com/subprocessors, a page drawn by script that we could not read.",
          "RDAP for nutshell.com gives a registration date of 1995-05-02."
        ],
        "score": 86
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/nutshell.json",
      "live": {
        "slug": "nutshell",
        "probe": {
          "target": "https://app.nutshell.com/rest",
          "method": "get",
          "lastAt": "2026-10-09T01:12:52.625293085Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 255,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 262,
          "p95ms24h": 286,
          "samples24h": 63,
          "samples30d": 63,
          "days": [
            {
              "date": "2026-10-08",
              "probes": 50,
              "ok": 50
            },
            {
              "date": "2026-10-09",
              "probes": 13,
              "ok": 13
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.nutshell.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-09T01:07:39.631323235Z"
        },
        "updatedAt": "2026-10-09T01:12:52.625293085Z"
      }
    },
    "answer": "Nutshell scores 49.6 (D) on agent readiness against Streak API + MCP's 46.4 (D), and leads in 5 of 7 scored categories. Streak API + MCP leads on reliability and maintenance \u0026 community.",
    "b": {
      "slug": "streak",
      "name": "Streak API + MCP",
      "vendor": "Streak",
      "vendorUrl": "https://www.streak.com",
      "kind": "http-api",
      "category": "crm",
      "summary": "Streak is a CRM that lives inside Gmail.",
      "url": "https://www.anchorterminal.com/tools/streak",
      "markdownUrl": "https://www.anchorterminal.com/tools/streak.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/streak.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/streak.json",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.streak.com/api/v1",
      "packages": [],
      "auth": "mixed",
      "authNotes": "REST API uses HTTP Basic auth with the API key as the username and an empty password. The key grants full access to the account. The hosted MCP server uses OAuth, needs no API key, follows the user's existing Streak permissions and can be revoked in account settings.",
      "pricing": "paid",
      "pricingNotes": "Free plan covers Gmail email tools only (tracking, snippets, 50 mail merge sends a day), with no CRM pipelines. Pro $59 a user a month billed monthly or $49 billed yearly (standard API, no webhooks), Pro+ $89 or $69 (API with webhooks), Enterprise $159 or $129. The MCP server needs Pro, Pro+ or Enterprise and costs nothing extra (https://www.streak.com/pricing).",
      "priceSummary": "$49 / seat-mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No payments. Access follows the Streak subscription.",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": null,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://streak.readme.io",
      "llmsTxt": "https://streak.readme.io/llms.txt",
      "capabilities": [
        "crm.records",
        "crm.pipeline",
        "crm.activities",
        "crm.search",
        "crm.webhooks"
      ],
      "tags": [
        "hosted",
        "mcp",
        "llms-txt",
        "closed-source",
        "webhooks"
      ],
      "lastRelease": "2026-09-16",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 46.4,
        "grade": "D",
        "agentReady": false,
        "rank": 647,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 14,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 28,
          "maintenance": 60,
          "payments": 20,
          "reliability": 68,
          "schema": 35,
          "security": 52,
          "transparency": 65
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "MCP server is OAuth only and revocable from account settings. MCP tool list and count not published.",
        "bestFor": "Small teams that run deals out of Gmail and want an agent to update pipelines and add tasks without seeing email bodies.",
        "strengths": [
          "MCP server is OAuth only and revocable from account settings",
          "MCP doesn't expose email content",
          "No status incidents between 3 July and 1 October 2026",
          "HackerOne bug bounty and a yearly Google OAuth review",
          "Seven product updates since 3 July 2026, including a Claude connector on 4 August"
        ],
        "weaknesses": [
          "MCP tool list and count not published",
          "No OpenAPI, no documented 429 behaviour and no retry guidance",
          "REST keys carry the user's full privileges with no scopes",
          "Privacy policy last updated 27 September 2024, with no retention periods or subprocessor list",
          "API needs Pro ($49 a user a month yearly) and webhooks need Pro+"
        ],
        "agentNotes": [
          "Keep under 10 requests a second, or tell Streak first, since there's no published hard limit",
          "Expect no email bodies through MCP and fetch thread context through Gmail instead",
          "Send the API key as the Basic auth username with an empty password",
          "Check the plan before relying on webhooks, which start at Pro+",
          "Handle a 410 as an API version that's no longer supported"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 46.4
          }
        ],
        "editorialScores": {
          "ergonomics": 28,
          "maintenance": 60,
          "payments": 20,
          "reliability": 68,
          "schema": 35,
          "security": 52,
          "transparency": 41
        },
        "provenanceScore": 88
      },
      "connect": {
        "http": "curl https://api.streak.com/api/v1/pipelines -u \"$STREAK_API_KEY:\"",
        "claudeCode": "claude mcp add --transport http streak https://api.streak.com/mcp",
        "config": {
          "mcpServers": {
            "streak": {
              "url": "https://api.streak.com/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/crm.records",
        "tool": "https://letme.dev/streak"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Pro (first plan with API access)",
          "unit": "seat-month",
          "usd": 49,
          "note": "billed yearly; $59 billed monthly; no webhooks"
        },
        {
          "item": "Pro+",
          "unit": "seat-month",
          "usd": 69,
          "note": "billed yearly; $89 billed monthly; API with webhooks"
        },
        {
          "item": "Enterprise",
          "unit": "seat-month",
          "usd": 129,
          "note": "billed yearly; $159 billed monthly"
        }
      ],
      "provenance": {
        "legalEntity": "Rewardly, Inc.",
        "domain": "streak.com",
        "domainRegistered": "1996-09-20",
        "domainNote": "streak.com dates from 1996, before Streak; the company trades as Streak under the legal name Rewardly, Inc.",
        "endpointOnVendorDomain": true,
        "terms": "https://www.streak.com/terms",
        "privacy": "https://www.streak.com/privacy",
        "statusPage": "https://status.streak.com",
        "changelog": "https://www.streak.com/updates",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 88
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/streak.json",
      "live": {
        "slug": "streak",
        "probe": {
          "target": "https://api.streak.com/api/v1",
          "method": "get",
          "lastAt": "2026-10-09T01:12:58.212601075Z",
          "lastOk": true,
          "lastStatus": 400,
          "lastMs": 131,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 99.95,
          "p50ms24h": 130,
          "p95ms24h": 160,
          "samples24h": 267,
          "samples30d": 2199,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 247
            },
            {
              "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": 13,
              "ok": 13
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.streak.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-09T01:07:52.901538123Z"
        },
        "securityTxt": {
          "url": "https://streak.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-08T15:38:45.465325637Z"
        },
        "llmsTxt": {
          "url": "https://streak.readme.io/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-08T14:00:55.047840926Z"
        },
        "domain": {
          "domain": "streak.com",
          "registered": "1996-09-20",
          "source": "https://rdap.verisign.com/com/v1/domain/streak.com",
          "checkedAt": "2026-10-04T13:09:05.701529684Z"
        },
        "pages": [
          {
            "url": "https://www.streak.com/updates",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:30:50.079923654Z",
            "changedAt": "2026-10-08T18:30:50.079923654Z",
            "fingerprint": "170d8f882f74"
          },
          {
            "url": "https://www.streak.com/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-08T18:30:43.163127607Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "465d751f1117"
          },
          {
            "url": "https://www.streak.com/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-08T18:30:47.282487579Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "403f27750bfc"
          },
          {
            "url": "https://www.streak.com/terms",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:30:47.994422004Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "37d225533bed"
          }
        ],
        "updatedAt": "2026-10-09T01:12:58.212601075Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Nutshell, Inc.",
        "b": "Streak",
        "name": "Vendor"
      },
      {
        "a": "https://app.nutshell.com/rest",
        "b": "https://api.streak.com/api/v1",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP",
        "b": "HTTP, Streamable HTTP",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Paid",
        "b": "Paid",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service under Nutshell's Terms of Service",
        "b": "none",
        "name": "Licence"
      },
      {
        "a": "yes",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-08-21",
        "b": "2026-09-16",
        "name": "Last release"
      },
      {
        "a": "2026-06-02",
        "b": "no date given",
        "name": "Terms last updated"
      },
      {
        "a": "2026-06-02",
        "b": "no date given",
        "name": "Privacy policy last updated"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Customer content may train models"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "none",
        "b": "2/5 (2)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "Nutshell scores 49.6 (D) on agent readiness against Streak API + MCP's 46.4 (D), and leads in 5 of 7 scored categories. Streak API + MCP leads on reliability and maintenance \u0026 community.",
        "question": "Which is better for AI agents, Nutshell or Streak API + MCP?"
      },
      {
        "answer": "Both take an API key or an OAuth sign-in.",
        "question": "Do Nutshell and Streak API + MCP need an API key?"
      },
      {
        "answer": "Yes. Nutshell has a hosted endpoint at https://app.nutshell.com/rest and Streak API + MCP at https://api.streak.com/api/v1.",
        "question": "Can an agent call Nutshell and Streak API + MCP without installing anything?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Schema \u0026 documentation, 57 against 35",
          "Agent ergonomics, 44 against 28",
          "Security \u0026 auth, 58 against 52",
          "Payments \u0026 pricing, 35 against 20",
          "Transparency \u0026 trust, 71 against 65"
        ],
        "also": [
          "Free to start without a card"
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        "name": "Reliability",
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        "streak": 68,
        "weight": 16
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        "streak": 35,
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        "nutshell": 44,
        "streak": 28,
        "weight": 13
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        "edge": "nutshell",
        "key": "security",
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        "nutshell": 58,
        "streak": 52,
        "weight": 14
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        "edge": "nutshell",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "nutshell": 35,
        "streak": 20,
        "weight": 10
      },
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        "weight": 10
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        "edge": "streak",
        "key": "maintenance",
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        "nutshell": 46,
        "streak": 60,
        "weight": 7
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        "key": "transparency",
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        "streak": 65,
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      "streak": "MCP server is OAuth only and revocable from account settings. MCP tool list and count not published."
    }
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  "markdown": "Nutshell scores 49.6 (D) on agent readiness against Streak API + MCP's 46.4 (D), and leads in 5 of 7 scored categories. Streak API + MCP leads on reliability and maintenance \u0026 community. Both do crm records.\n\n- Nutshell: grade D, 49.6/100, rank #607 of 722. Markdown https://www.anchorterminal.com/tools/nutshell.md · JSON https://www.anchorterminal.com/api/v1/tools/nutshell.json\n- Streak API + MCP: grade D, 46.4/100, rank #647 of 722. Markdown https://www.anchorterminal.com/tools/streak.md · JSON https://www.anchorterminal.com/api/v1/tools/streak.json\n\n## Which one, for what\n\n### Nutshell (D)\n\nGood for: Small sales teams already on Nutshell who want an agent to read pipeline data over MCP or write records over REST at a low seat price.\n\nAhead on:\n- Schema \u0026 documentation, 57 against 35\n- Agent ergonomics, 44 against 28\n- Security \u0026 auth, 58 against 52\n- Payments \u0026 pricing, 35 against 20\n- Transparency \u0026 trust, 71 against 65\n\nAlso in its favour:\n- Free to start without a card\n\nWatch for: No rate limit numbers, 429 handling or Retry-After found for the REST API\n\n### Streak API + MCP (D)\n\nGood for: Small teams that run deals out of Gmail and want an agent to update pipelines and add tasks without seeing email bodies.\n\nAhead on:\n- Reliability, 68 against 42\n- Maintenance \u0026 community, 60 against 46\n\nWatch for: MCP tool list and count not published\n\n\n## Score by category\n\n| Category | Weight | Nutshell | Streak API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 42 | 68 | Streak API + MCP +26 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 57 | 35 | Nutshell +22 |\n| Agent ergonomics | 13% (16.2 this run) | 44 | 28 | Nutshell +16 |\n| Security \u0026 auth | 14% (17.5 this run) | 58 | 52 | Nutshell +6 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 35 | 20 | Nutshell +15 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 46 | 60 | Streak API + MCP +14 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 71 | 65 | Nutshell +6 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **49.6 · D** | **46.4 · D** | |\n\n## Facts side by side\n\n| Fact | Nutshell | Streak API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Nutshell, Inc. | Streak |\n| Hosted endpoint | `https://app.nutshell.com/rest` | `https://api.streak.com/api/v1` |\n| Transports | HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Paid | Paid |\n| x402 | no | no |\n| Licence | Proprietary service under Nutshell's Terms of Service | none |\n| Read-only variant documented | yes | no |\n| llms.txt | yes | yes |\n| Last release | 2026-08-21 | 2026-09-16 |\n| Terms last updated | 2026-06-02 | no date given |\n| Privacy policy last updated | 2026-06-02 | no date given |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | not found in the text | not found in the text |\n| Terms restrict benchmarking | yes | not found in the text |\n| Terms or service can change without notice | yes | not found in the text |\n| Arbitration or class-action waiver | yes | yes |\n| Agent reviews | none | 2/5 (2) |\n\n## Verdicts\n\n**Nutshell.** The REST reference is served as Markdown with an OpenAPI fragment per operation, and the hosted MCP server uses OAuth with PKCE and can only read. No rate limit numbers, error format or API changelog were found in the reviewed documentation, and API keys carry no scopes.\n\n**Streak API + MCP.** MCP server is OAuth only and revocable from account settings. MCP tool list and count not published.\n\n## Before you call either\n\n### Nutshell\n\n1. Authenticate REST calls with HTTP Basic, a Nutshell user's email as username and the API key as password, against `https://app.nutshell.com/rest`\n2. Use IDs in the `\u003cnumber\u003e-\u003ctype\u003e` form, such as `3-accounts`, and send updates as JSON Patch with `content-type: application/json-patch+json`\n3. Page lists with `page[limit]` and `page[page]`, which is 0-based, and call `/accounts/list/fields` or the lead and contact equivalents for valid filter keys\n4. Use the REST API for writes. The MCP server only reads, and OAuth tokens need the `read` scope\n5. Filter webhook events yourself, because every webhook receives all events and subscriptions are created in Setup, not through the API\n\n### Streak API + MCP\n\n1. Keep under 10 requests a second, or tell Streak first, since there's no published hard limit\n2. Expect no email bodies through MCP and fetch thread context through Gmail instead\n3. Send the API key as the Basic auth username with an empty password\n4. Check the plan before relying on webhooks, which start at Pro+\n5. Handle a 410 as an API version that's no longer supported\n\n## Questions\n\n### Which is better for AI agents, Nutshell or Streak API + MCP?\n\nNutshell scores 49.6 (D) on agent readiness against Streak API + MCP's 46.4 (D), and leads in 5 of 7 scored categories. Streak API + MCP leads on reliability and maintenance \u0026 community.\n\n### Do Nutshell and Streak API + MCP need an API key?\n\nBoth take an API key or an OAuth sign-in.\n\n### Can an agent call Nutshell and Streak API + MCP without installing anything?\n\nYes. Nutshell has a hosted endpoint at https://app.nutshell.com/rest and Streak API + MCP at https://api.streak.com/api/v1.\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/nutshell-vs-streak.json, and with the fewest tokens: https://www.anchorterminal.com/compare/nutshell-vs-streak.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"nutshell\", \"b\": \"streak\"}`. From a terminal: `anchor compare nutshell streak`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/nutshell.json and https://www.anchorterminal.com/api/v1/tools/streak.json\n\n## Other comparisons with Nutshell or Streak API + MCP\n\n- [Affinity vs Nutshell](https://www.anchorterminal.com/compare/affinity-vs-nutshell.md)\n- [Affinity vs Streak API + MCP](https://www.anchorterminal.com/compare/affinity-vs-streak.md)\n- [Attio API + MCP vs Nutshell](https://www.anchorterminal.com/compare/attio-vs-nutshell.md)\n- [Attio API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/attio-vs-streak.md)\n- [Capsule CRM vs Nutshell](https://www.anchorterminal.com/compare/capsule-crm-vs-nutshell.md)\n- [Capsule CRM vs Streak API + MCP](https://www.anchorterminal.com/compare/capsule-crm-vs-streak.md)\n- [Close API + MCP vs Nutshell](https://www.anchorterminal.com/compare/close-vs-nutshell.md)\n- [Close API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/close-vs-streak.md)\n- [Copper API vs Nutshell](https://www.anchorterminal.com/compare/copper-vs-nutshell.md)\n- [Copper API vs Streak API + MCP](https://www.anchorterminal.com/compare/copper-vs-streak.md)\n- [Microsoft Dynamics 365 Sales vs Nutshell](https://www.anchorterminal.com/compare/dynamics-365-sales-vs-nutshell.md)\n- [Microsoft Dynamics 365 Sales vs Streak API + MCP](https://www.anchorterminal.com/compare/dynamics-365-sales-vs-streak.md)\n- [folk API + MCP vs Nutshell](https://www.anchorterminal.com/compare/folk-vs-nutshell.md)\n- [folk API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/folk-vs-streak.md)\n- [Freshsales API vs Nutshell](https://www.anchorterminal.com/compare/freshsales-vs-nutshell.md)\n- [Freshsales API vs Streak API + MCP](https://www.anchorterminal.com/compare/freshsales-vs-streak.md)\n- [HubSpot API + MCP vs Nutshell](https://www.anchorterminal.com/compare/hubspot-mcp-vs-nutshell.md)\n- [HubSpot API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/hubspot-mcp-vs-streak.md)\n- [Nutshell vs Pipedrive API + MCP](https://www.anchorterminal.com/compare/nutshell-vs-pipedrive.md)\n- [Nutshell vs Salesforce API + MCP](https://www.anchorterminal.com/compare/nutshell-vs-salesforce.md)\n- [Nutshell vs Twenty API + MCP](https://www.anchorterminal.com/compare/nutshell-vs-twenty.md)\n- [Nutshell vs Zoho CRM](https://www.anchorterminal.com/compare/nutshell-vs-zoho-crm.md)\n- [Pipedrive API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/pipedrive-vs-streak.md)\n- [Salesforce API + MCP vs Streak API + MCP](https://www.anchorterminal.com/compare/salesforce-vs-streak.md)\n- [Streak API + MCP vs Twenty API + MCP](https://www.anchorterminal.com/compare/streak-vs-twenty.md)\n- [Streak API + MCP vs Zoho CRM](https://www.anchorterminal.com/compare/streak-vs-zoho-crm.md)\n",
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    "title": "Nutshell vs Streak API + MCP for AI agents, D 49.6 vs D 46.4",
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