{
  "data": {
    "a": {
      "slug": "square",
      "name": "Square",
      "vendor": "Block, Inc.",
      "vendorUrl": "https://squareup.com",
      "kind": "http-api",
      "category": "commerce",
      "summary": "Square is Block's commerce and payments platform for sellers. Its REST API covers catalogue, orders, payment links, payments, inventory and customers, with seven SDKs and a beta MCP server hosted at mcp.squareup.com.",
      "url": "https://www.anchorterminal.com/tools/square",
      "markdownUrl": "https://www.anchorterminal.com/tools/square.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/square.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/square.json",
      "repo": "https://github.com/square/square-mcp-server",
      "license": "Proprietary service under the Square Developer Terms of Service. The MCP server and the OpenAPI specification on GitHub are Apache 2.0, and the Node.js SDK is MIT",
      "transports": [
        "http",
        "streamable-http",
        "stdio"
      ],
      "remoteUrl": "https://mcp.squareup.com/mcp",
      "packages": [
        {
          "registry": "npm",
          "name": "square"
        },
        {
          "registry": "npm",
          "name": "square-mcp-server"
        },
        {
          "registry": "pypi",
          "name": "squareup"
        }
      ],
      "auth": "mixed",
      "authNotes": "Access needs a Square account and an application created in the Developer Console, both self-serve. Two token types go in the `Authorization: Bearer` header. A personal access token gives unrestricted access to the owner's own account, with a separate sandbox token. OAuth access tokens are limited to the scopes a seller grants, expire after 30 days and can be refreshed and revoked. The remote MCP server signs in through OAuth, and Square keeps an allowlist of MCP clients that may register.",
      "pricing": "usage",
      "pricingNotes": "The API and sandbox carry no charge. Sellers pay processing fees, 2.9% + 30 cents for card payments through the payments APIs in the US. Square Free is $0 a month, Plus $49 and Premium $149 per location. The sandbox lets an agent start without a contract (https://squareup.com/us/en/payments/our-fees, checked 2026-10-08).",
      "priceSummary": "2.9% fee",
      "where": "both",
      "x402": {
        "level": "no",
        "evidence": "No x402, MPP or L402 in the docs index at developer.squareup.com/llms.txt or the OpenAPI spec (checked 2026-10-08).",
        "endpoints": []
      },
      "toolCount": 3,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 453743,
        "pypiWeekly": 72138,
        "asOf": "2026-10-08"
      },
      "docsUrl": "https://developer.squareup.com/docs",
      "llmsTxt": "https://developer.squareup.com/llms.txt",
      "openapi": "https://raw.githubusercontent.com/square/connect-api-specification/master/api.json",
      "capabilities": [
        "commerce.products",
        "commerce.orders",
        "commerce.checkout",
        "commerce.cart",
        "commerce.headless",
        "payments.card",
        "payments.checkout"
      ],
      "tags": [
        "hosted",
        "closed-source",
        "mcp",
        "oauth",
        "openapi",
        "llms-txt",
        "webhooks",
        "sandbox",
        "graphql",
        "typescript",
        "python",
        "status-page",
        "bug-bounty"
      ],
      "lastRelease": "2026-09-16",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 69.2,
        "grade": "B",
        "agentReady": false,
        "rank": 166,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 6,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 83,
          "maintenance": 81,
          "payments": 40,
          "reliability": 58,
          "schema": 87,
          "security": 67,
          "transparency": 70
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-08"
        },
        "negative": 0,
        "verdict": "The REST API has a public OpenAPI 3.0 spec, OAuth scopes split by read and write for each resource, idempotency keys on writes and a free sandbox. The MCP server is in beta and its remote instance reaches production only. No numeric REST rate limits or SLA were found, and the status page recorded widespread errors on 27 September 2026.",
        "bestFor": "Agents working for a seller already on Square, on catalogue, inventory, orders, payment links and customers, online and in person.",
        "strengths": [
          "Public OpenAPI 3.0 spec with 332 operations and 1,476 schemas, regenerated for API version 2026-09-16",
          "OAuth scopes are split by read and write for each resource, and access tokens expire after 30 days",
          "78 request schemas carry an `idempotency_key`, and the docs describe backoff with jitter for 429 responses",
          "Free sandbox at connect.squareupsandbox.com with test cards, and API Logs kept for 28 days",
          "Deprecated APIs are typically retired at least 12 months after deprecation, with dated release notes each month"
        ],
        "weaknesses": [
          "The MCP server is marked beta, and the remote server reaches production data only",
          "No numeric rate limits were found for the REST API. Only GraphQL states a figure, 10 queries a second",
          "No SLA was found in the developer terms or documentation",
          "The status page recorded widespread latency and errors on 27 September 2026, including payment authorisation",
          "A personal access token grants unrestricted access to the whole Square account",
          "97 of the 332 operations in the spec are marked beta"
        ],
        "agentNotes": [
          "Test against the sandbox first with the local MCP server and `SANDBOX=true`. The remote server at mcp.squareup.com reaches production only",
          "Set `DISALLOW_WRITES=true` on the local MCP server when the task only reads",
          "Call `get_service_info`, then `get_type_info`, before each `make_api_request`. The request body is otherwise untyped",
          "Send a fresh `idempotency_key` on every write, and reuse it when retrying the same write",
          "Pin `Square-Version` in each request. Use a page cursor within 5 minutes of receiving it"
        ],
        "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": 69.2
          }
        ],
        "editorialScores": {
          "ergonomics": 83,
          "maintenance": 81,
          "payments": 40,
          "reliability": 58,
          "schema": 87,
          "security": 67,
          "transparency": 56
        },
        "provenanceScore": 84
      },
      "connect": {
        "install": "npx square-mcp-server start",
        "http": "curl https://connect.squareupsandbox.com/v2/locations \\\n  -H 'Square-Version: 2026-09-16' \\\n  -H 'Authorization: Bearer {SANDBOX_ACCESS_TOKEN}' \\\n  -H 'Content-Type: application/json'",
        "config": {
          "mcpServers": {
            "mcp_square_api": {
              "args": [
                "mcp-remote",
                "https://mcp.squareup.com/mcp"
              ],
              "command": "npx"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/commerce.products",
        "tool": "https://letme.dev/square"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Card payment through the payments APIs (US)",
          "unit": "pct",
          "usd": 2.9,
          "note": "plus 30 cents per transaction"
        },
        {
          "item": "ACH bank transfer through the API (US)",
          "unit": "pct",
          "usd": 1,
          "note": "$1 minimum, $5 fee cap"
        },
        {
          "item": "Square Free",
          "unit": "month",
          "usd": 0,
          "note": "per location"
        },
        {
          "item": "Square Plus",
          "unit": "month",
          "usd": 49,
          "note": "per location"
        },
        {
          "item": "Square Premium",
          "unit": "month",
          "usd": 149,
          "note": "per location"
        }
      ],
      "provenance": {
        "legalEntity": "Block, Inc.",
        "domain": "squareup.com",
        "domainRegistered": "2007-05-26",
        "endpointOnVendorDomain": true,
        "terms": "https://squareup.com/us/en/legal/general/developers",
        "privacy": "https://squareup.com/us/en/legal/general/privacy",
        "statusPage": "https://www.issquareup.com",
        "changelog": "https://developer.squareup.com/docs/changelog/connect",
        "securityTxt": "none",
        "checked": "2026-10-08",
        "notes": [
          "The Square Developer Terms of Service (last updated 10 September 2026) are an agreement with Block, Inc. and govern the APIs, SDKs and developer tools. Payment processing through an API is also subject to Square's General Terms.",
          "The Privacy Notice for Square Sellers and Website Visitors (last updated 15 September 2026) names Block, Inc., 1955 Broadway, Suite 600, Oakland, CA 94612 as the entity for US sellers, with other Square entities for Canada, Japan, Australia and the EU.",
          "The API answers at connect.squareup.com and the remote MCP server at mcp.squareup.com. The sandbox uses the separate domain squareupsandbox.com.",
          "squareup.com/.well-known/security.txt and developer.squareup.com/.well-known/security.txt return 404. The security page links a Bugcrowd programme.",
          "RDAP for squareup.com gives a registration date of 2007-05-26."
        ],
        "score": 84
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/square.json",
      "live": {
        "slug": "square",
        "probe": {
          "target": "https://mcp.squareup.com/mcp",
          "method": "get",
          "lastAt": "2026-10-08T19:53:02.961463391Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 37,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 63,
          "p95ms24h": 137,
          "samples24h": 27,
          "samples30d": 27,
          "days": [
            {
              "date": "2026-10-08",
              "probes": 27,
              "ok": 27
            }
          ]
        },
        "vendorStatus": {
          "page": "https://www.issquareup.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-08T19:51:03.78936354Z"
        },
        "pages": [
          {
            "url": "https://developer.squareup.com/docs/changelog/connect",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:17:18.308620553Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "62494a1dd472"
          },
          {
            "url": "https://squareup.com/us/en/legal/general/privacy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-08T18:24:44.136652202Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "18b57fb2f3f3"
          },
          {
            "url": "https://squareup.com/us/en/legal/general/developers",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:24:40.889937356Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "10ccc5457da5"
          }
        ],
        "updatedAt": "2026-10-08T19:53:02.961463391Z"
      }
    },
    "answer": "WooCommerce API + MCP scores 72.9 (BB) on agent readiness against Square's 69.2 (B), and leads in 4 of 7 scored categories. Square leads on schema \u0026 documentation and security \u0026 auth.",
    "b": {
      "slug": "woocommerce",
      "name": "WooCommerce API + MCP",
      "vendor": "WooCommerce (Automattic)",
      "vendorUrl": "https://woocommerce.com",
      "kind": "http-api",
      "category": "commerce",
      "summary": "Open-source commerce plugin for WordPress that you host yourself.",
      "url": "https://www.anchorterminal.com/tools/woocommerce",
      "markdownUrl": "https://www.anchorterminal.com/tools/woocommerce.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/woocommerce.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/woocommerce.json",
      "repo": "https://github.com/woocommerce/woocommerce",
      "license": "GPL-3.0",
      "transports": [
        "http",
        "streamable-http",
        "stdio"
      ],
      "packages": [
        {
          "registry": "npm",
          "name": "@woocommerce/woocommerce-rest-api"
        },
        {
          "registry": "pypi",
          "name": "woocommerce"
        },
        {
          "registry": "npm",
          "name": "@automattic/mcp-wordpress-remote"
        }
      ],
      "auth": "mixed",
      "authNotes": "REST API keys (consumer key and secret) with read, write or read_write permission, sent as HTTP Basic over HTTPS. The Store API needs no key for browsing and uses a nonce or Cart-Token for cart and checkout calls. The MCP adapter takes a WordPress Application Password and acts with that user's capabilities. The deprecated /wp-json/woocommerce/mcp endpoint used REST keys.",
      "pricing": "free",
      "pricingNotes": "The plugin is free under GPL with no platform fee or revenue share. You pay for hosting, which Woo puts at $25 to $350 a month for most stores, extensions at $29 to $299 a year each, and card processing, about 2.9% + 30 cents per US transaction with WooPayments (https://woocommerce.com/pricing/).",
      "priceSummary": "Free · OSS",
      "where": "local",
      "x402": {
        "level": "no",
        "evidence": "No x402 in core. Payments go through whichever gateway the store installs.",
        "endpoints": []
      },
      "toolCount": 7,
      "popularity": {
        "githubStars": 10535,
        "npmWeekly": 63554,
        "pypiWeekly": 24657,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developer.woocommerce.com/docs/",
      "llmsTxt": "https://developer.woocommerce.com/llms.txt",
      "capabilities": [
        "commerce.products",
        "commerce.cart",
        "commerce.checkout",
        "commerce.orders",
        "commerce.headless"
      ],
      "tags": [
        "open-source",
        "self-hosted",
        "local",
        "mcp",
        "llms-txt",
        "webhooks",
        "python",
        "typescript"
      ],
      "lastRelease": "2026-09-22",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 72.9,
        "grade": "BB",
        "agentReady": true,
        "rank": 84,
        "ranked": true,
        "rankOf": 722,
        "categoryRank": 2,
        "methodology": "0.4",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 83,
          "maintenance": 82,
          "payments": 60,
          "reliability": 80,
          "schema": 77,
          "security": 55,
          "transparency": 75
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Free GPL software with no platform fee or revenue share. Uptime, speed and security depend on each store's host and plugins. No vendor status page.",
        "bestFor": "Merchants already on WordPress and agents that need a cart and checkout without a vendor account.",
        "strengths": [
          "Free GPL software with no platform fee or revenue share",
          "Store API runs carts, coupons and checkout with a Cart-Token instead of a key",
          "Code examples in five languages on every REST endpoint, and official JavaScript and Python clients",
          "Automattic's HackerOne bug bounty covers WooCommerce core",
          "Six stable releases between 7 July and 22 September 2026, CI green on trunk"
        ],
        "weaknesses": [
          "Uptime, speed and security depend on each store's host and plugins. No vendor status page",
          "MCP is a developer preview behind the mcp_integration flag, with 7 abilities",
          "REST docs allow the consumer key and secret in the query string",
          "Store API rate limiting is off by default",
          "No OpenAPI file, so the contract only comes from a live store"
        ],
        "agentNotes": [
          "Create a REST key with read permission only for reporting tasks, and send it in the Authorization header, never the URL",
          "Get a Cart-Token with GET /wp-json/wc/store/v1/cart and send it on every cart and checkout call instead of a nonce",
          "Add `_fields=id,name,price` to REST calls to cut response size",
          "Page with per_page up to 100 and stop at X-WP-TotalPages",
          "Product delete only trashes unless you pass force true, so check the trash before assuming it's gone"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.4",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 72.9
          }
        ],
        "editorialScores": {
          "ergonomics": 83,
          "maintenance": 82,
          "payments": 60,
          "reliability": 80,
          "schema": 77,
          "security": 55,
          "transparency": 86
        },
        "provenanceScore": 63
      },
      "connect": {
        "http": "curl \"https://yourstore.com/wp-json/wc/v3/products?per_page=5\" \\\n  -u \"$WC_CONSUMER_KEY:$WC_CONSUMER_SECRET\"",
        "claudeCode": "claude mcp add --env WP_API_URL=https://yourstore.com/wp-json/mcp/mcp-adapter-default-server --env WP_API_USERNAME=$WP_USER --env WP_API_PASSWORD=$WP_APP_PASSWORD woocommerce_store -- npx -y @automattic/mcp-wordpress-remote@latest",
        "config": {
          "mcpServers": {
            "woocommerce_store": {
              "args": [
                "-y",
                "@automattic/mcp-wordpress-remote@latest"
              ],
              "command": "npx",
              "env": {
                "WP_API_PASSWORD": "${WP_APP_PASSWORD}",
                "WP_API_URL": "https://yourstore.com/wp-json/mcp/mcp-adapter-default-server",
                "WP_API_USERNAME": "${WP_USER}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/commerce.products",
        "tool": "https://letme.dev/woocommerce"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "WooCommerce plugin",
          "unit": "month",
          "usd": 0,
          "note": "GPL, you pay for your own hosting"
        },
        {
          "item": "WooPayments US card rate",
          "unit": "pct",
          "usd": 2.9,
          "note": "plus 30 cents per transaction, optional gateway"
        }
      ],
      "provenance": {
        "legalEntity": "WooCommerce, Inc.",
        "domain": "woocommerce.com",
        "domainRegistered": "2010-01-09",
        "endpointOnVendorDomain": false,
        "terms": "https://wordpress.com/tos/",
        "privacy": "https://automattic.com/privacy/",
        "statusPage": "",
        "changelog": "https://developer.woocommerce.com/changelog/",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "woocommerce.com/terms-conditions redirects to the WordPress.com terms, which name WooCommerce, Inc. as an Automattic company",
          "The API runs on each merchant's own domain"
        ],
        "score": 63
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/woocommerce.json",
      "live": {
        "slug": "woocommerce",
        "versions": [
          {
            "registry": "github",
            "name": "woocommerce/woocommerce",
            "version": "11.2.0",
            "released": "2026-10-07",
            "seenAt": "2026-10-08T16:35:03.106308164Z"
          },
          {
            "registry": "npm",
            "name": "@automattic/mcp-wordpress-remote",
            "version": "0.5.1",
            "seenAt": "2026-10-08T16:35:01.902351436Z"
          },
          {
            "registry": "npm",
            "name": "@woocommerce/woocommerce-rest-api",
            "version": "1.0.2",
            "seenAt": "2026-10-08T16:35:00.891225289Z"
          },
          {
            "registry": "pypi",
            "name": "woocommerce",
            "version": "3.0.0",
            "released": "2021-03-13",
            "seenAt": "2026-10-08T16:35:01.708701664Z"
          }
        ],
        "githubStars": 10541,
        "npmWeekly": 73129,
        "pypiWeekly": 28356,
        "securityTxt": {
          "url": "https://woocommerce.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-08T15:39:02.655939563Z"
        },
        "llmsTxt": {
          "url": "https://developer.woocommerce.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-08T14:01:01.201249236Z"
        },
        "domain": {
          "domain": "woocommerce.com",
          "registered": "2010-01-09",
          "source": "https://rdap.verisign.com/com/v1/domain/woocommerce.com",
          "checkedAt": "2026-10-04T13:03:39.15219252Z"
        },
        "pages": [
          {
            "url": "https://developer.woocommerce.com/changelog/",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-08T18:17:22.796442961Z",
            "changedAt": "2026-10-08T18:17:22.796442961Z",
            "fingerprint": "24c7d32554f1"
          },
          {
            "url": "https://woocommerce.com/pricing/",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-08T18:25:46.767855885Z",
            "changedAt": "2026-10-08T18:25:46.767855885Z",
            "fingerprint": "a21bd429dc39"
          },
          {
            "url": "https://automattic.com/privacy/",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-08T18:15:27.406732024Z",
            "changedAt": "2026-10-08T18:15:27.406732024Z",
            "fingerprint": "2c5517485824"
          },
          {
            "url": "https://wordpress.com/tos/",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-08T18:25:48.803943184Z",
            "changedAt": "2026-10-07T18:10:29.658725622Z",
            "fingerprint": "7a21fafe2264"
          }
        ],
        "updatedAt": "2026-10-08T18:25:48.803943184Z"
      }
    },
    "facts": [
      {
        "a": "HTTP API",
        "b": "HTTP API",
        "name": "Kind"
      },
      {
        "a": "Block, Inc.",
        "b": "WooCommerce (Automattic)",
        "name": "Vendor"
      },
      {
        "a": "https://mcp.squareup.com/mcp",
        "b": "no (local only)",
        "name": "Hosted endpoint"
      },
      {
        "a": "HTTP, Streamable HTTP, stdio",
        "b": "HTTP, Streamable HTTP, stdio",
        "name": "Transports"
      },
      {
        "a": "OAuth or key",
        "b": "OAuth or key",
        "name": "Auth"
      },
      {
        "a": "Pay per use",
        "b": "Free",
        "name": "Pricing"
      },
      {
        "a": "no",
        "b": "no",
        "name": "x402"
      },
      {
        "a": "Proprietary service under the Square Developer Terms of Service. The MCP server and the OpenAPI specification on GitHub are Apache 2.0, and the Node.js SDK is MIT",
        "b": "GPL-3.0",
        "name": "Licence"
      },
      {
        "a": "3",
        "b": "7",
        "name": "Tools exposed"
      },
      {
        "a": "no",
        "b": "no",
        "name": "Read-only variant documented"
      },
      {
        "a": "yes",
        "b": "yes",
        "name": "llms.txt"
      },
      {
        "a": "2026-09-16",
        "b": "2026-09-22",
        "name": "Last release"
      },
      {
        "a": "2026-09-10",
        "b": "2026-10-06",
        "name": "Terms last updated"
      },
      {
        "a": "2026-09-15",
        "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": "yes",
        "b": "not found in the text",
        "name": "Terms restrict automated access"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Terms restrict benchmarking"
      },
      {
        "a": "not found in the text",
        "b": "not found in the text",
        "name": "Terms or service can change without notice"
      },
      {
        "a": "yes",
        "b": "not found in the text",
        "name": "Arbitration or class-action waiver"
      },
      {
        "a": "454k npm/wk, 72k PyPI/wk",
        "b": "11k stars, 64k npm/wk, 25k PyPI/wk",
        "name": "Popularity"
      },
      {
        "a": "none",
        "b": "3.5/5 (2)",
        "name": "Agent reviews"
      }
    ],
    "faq": [
      {
        "answer": "WooCommerce API + MCP scores 72.9 (BB) on agent readiness against Square's 69.2 (B), and leads in 4 of 7 scored categories. Square leads on schema \u0026 documentation and security \u0026 auth.",
        "question": "Which is better for AI agents, Square or WooCommerce API + MCP?"
      },
      {
        "answer": "Both take an API key or an OAuth sign-in.",
        "question": "Do Square and WooCommerce API + MCP need an API key?"
      },
      {
        "answer": "Square has a hosted endpoint at https://mcp.squareup.com/mcp. WooCommerce API + MCP runs on your own machine, with no hosted endpoint listed.",
        "question": "Can an agent call Square and WooCommerce API + MCP without installing anything?"
      },
      {
        "answer": "No open-source release is listed for Square. WooCommerce API + MCP is open source (GPL-3.0).",
        "question": "Are Square and WooCommerce API + MCP open source?"
      }
    ],
    "goodFor": [
      {
        "aheadOn": [
          "Schema \u0026 documentation, 87 against 77",
          "Security \u0026 auth, 67 against 55"
        ],
        "also": [
          "A hosted endpoint, with nothing to install"
        ],
        "goodFor": "Agents working for a seller already on Square, on catalogue, inventory, orders, payment links and customers, online and in person.",
        "slug": "square",
        "watchFor": "The MCP server is marked beta, and the remote server reaches production data only"
      },
      {
        "aheadOn": [
          "Reliability, 80 against 58",
          "Payments \u0026 pricing, 60 against 40",
          "Transparency \u0026 trust, 75 against 70"
        ],
        "also": [
          "Agent-ready, a grade of BB or better",
          "Open source"
        ],
        "goodFor": "Merchants already on WordPress and agents that need a cart and checkout without a vendor account.",
        "slug": "woocommerce",
        "watchFor": "Uptime, speed and security depend on each store's host and plugins. No vendor status page"
      }
    ],
    "job": {
      "capability": "commerce.products",
      "name": "Commerce products"
    },
    "others": [
      {
        "json": "https://www.anchorterminal.com/compare/adobe-commerce-vs-square.json",
        "title": "Adobe Commerce (Magento) vs Square",
        "url": "https://www.anchorterminal.com/compare/adobe-commerce-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/adobe-commerce-vs-woocommerce.json",
        "title": "Adobe Commerce (Magento) vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/adobe-commerce-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bigcommerce-vs-square.json",
        "title": "BigCommerce API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/bigcommerce-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/bigcommerce-vs-woocommerce.json",
        "title": "BigCommerce API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/bigcommerce-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/commerce-layer-vs-square.json",
        "title": "Commerce Layer API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/commerce-layer-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/commerce-layer-vs-woocommerce.json",
        "title": "Commerce Layer API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/commerce-layer-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/commercetools-vs-square.json",
        "title": "commercetools vs Square",
        "url": "https://www.anchorterminal.com/compare/commercetools-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/commercetools-vs-woocommerce.json",
        "title": "commercetools vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/commercetools-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/ecwid-vs-square.json",
        "title": "Ecwid by Lightspeed vs Square",
        "url": "https://www.anchorterminal.com/compare/ecwid-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/ecwid-vs-woocommerce.json",
        "title": "Ecwid by Lightspeed vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/ecwid-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/elastic-path-vs-square.json",
        "title": "Elastic Path API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/elastic-path-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/elastic-path-vs-woocommerce.json",
        "title": "Elastic Path API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/elastic-path-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/medusa-vs-square.json",
        "title": "Medusa API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/medusa-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/medusa-vs-woocommerce.json",
        "title": "Medusa API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/medusa-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/saleor-vs-square.json",
        "title": "Saleor API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/saleor-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/saleor-vs-woocommerce.json",
        "title": "Saleor API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/saleor-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/shopify-vs-square.json",
        "title": "Shopify API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/shopify-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/shopify-vs-woocommerce.json",
        "title": "Shopify API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/shopify-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/shopware-vs-square.json",
        "title": "Shopware vs Square",
        "url": "https://www.anchorterminal.com/compare/shopware-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/shopware-vs-woocommerce.json",
        "title": "Shopware vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/shopware-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/snipcart-vs-square.json",
        "title": "Snipcart API + MCP vs Square",
        "url": "https://www.anchorterminal.com/compare/snipcart-vs-square"
      },
      {
        "json": "https://www.anchorterminal.com/compare/snipcart-vs-woocommerce.json",
        "title": "Snipcart API + MCP vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/snipcart-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/square-vs-swell.json",
        "title": "Square vs Swell",
        "url": "https://www.anchorterminal.com/compare/square-vs-swell"
      },
      {
        "json": "https://www.anchorterminal.com/compare/square-vs-vendure.json",
        "title": "Square vs Vendure",
        "url": "https://www.anchorterminal.com/compare/square-vs-vendure"
      },
      {
        "json": "https://www.anchorterminal.com/compare/square-vs-wix.json",
        "title": "Square vs Wix Stores and eCommerce API",
        "url": "https://www.anchorterminal.com/compare/square-vs-wix"
      },
      {
        "json": "https://www.anchorterminal.com/compare/swell-vs-woocommerce.json",
        "title": "Swell vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/swell-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/vendure-vs-woocommerce.json",
        "title": "Vendure vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/vendure-vs-woocommerce"
      },
      {
        "json": "https://www.anchorterminal.com/compare/wix-vs-woocommerce.json",
        "title": "Wix Stores and eCommerce API vs WooCommerce API + MCP",
        "url": "https://www.anchorterminal.com/compare/wix-vs-woocommerce"
      }
    ],
    "scores": [
      {
        "by": 22,
        "edge": "woocommerce",
        "key": "reliability",
        "name": "Reliability",
        "square": 58,
        "weight": 16,
        "woocommerce": 80
      },
      {
        "key": "performance",
        "name": "Performance",
        "pending": true,
        "weight": 10
      },
      {
        "by": 10,
        "edge": "square",
        "key": "schema",
        "name": "Schema \u0026 documentation",
        "square": 87,
        "weight": 13,
        "woocommerce": 77
      },
      {
        "by": 0,
        "edge": "",
        "key": "ergonomics",
        "name": "Agent ergonomics",
        "square": 83,
        "weight": 13,
        "woocommerce": 83
      },
      {
        "by": 12,
        "edge": "square",
        "key": "security",
        "name": "Security \u0026 auth",
        "square": 67,
        "weight": 14,
        "woocommerce": 55
      },
      {
        "by": 20,
        "edge": "woocommerce",
        "key": "payments",
        "name": "Payments \u0026 pricing",
        "square": 40,
        "weight": 10,
        "woocommerce": 60
      },
      {
        "key": "tasks",
        "name": "Task success",
        "pending": true,
        "weight": 10
      },
      {
        "by": 1,
        "edge": "woocommerce",
        "key": "maintenance",
        "name": "Maintenance \u0026 community",
        "square": 81,
        "weight": 7,
        "woocommerce": 82
      },
      {
        "by": 5,
        "edge": "woocommerce",
        "key": "transparency",
        "name": "Transparency \u0026 trust",
        "square": 70,
        "weight": 7,
        "woocommerce": 75
      }
    ],
    "summary": "WooCommerce API + MCP scores 72.9 (BB) on agent readiness against Square's 69.2 (B), and leads in 4 of 7 scored categories. Square leads on schema \u0026 documentation and security \u0026 auth. Both do commerce products.",
    "verdicts": {
      "square": "The REST API has a public OpenAPI 3.0 spec, OAuth scopes split by read and write for each resource, idempotency keys on writes and a free sandbox. The MCP server is in beta and its remote instance reaches production only. No numeric REST rate limits or SLA were found, and the status page recorded widespread errors on 27 September 2026.",
      "woocommerce": "Free GPL software with no platform fee or revenue share. Uptime, speed and security depend on each store's host and plugins. No vendor status page."
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/square-vs-woocommerce",
    "json": "https://www.anchorterminal.com/compare/square-vs-woocommerce.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/square-vs-woocommerce.md",
    "slim": "https://www.anchorterminal.com/compare/square-vs-woocommerce.min.md"
  },
  "markdown": "WooCommerce API + MCP scores 72.9 (BB) on agent readiness against Square's 69.2 (B), and leads in 4 of 7 scored categories. Square leads on schema \u0026 documentation and security \u0026 auth. Both do commerce products.\n\n- Square: grade B, 69.2/100, rank #166 of 722. Markdown https://www.anchorterminal.com/tools/square.md · JSON https://www.anchorterminal.com/api/v1/tools/square.json\n- WooCommerce API + MCP: grade BB, 72.9/100, rank #84 of 722. Markdown https://www.anchorterminal.com/tools/woocommerce.md · JSON https://www.anchorterminal.com/api/v1/tools/woocommerce.json\n\n## Which one, for what\n\n### Square (B)\n\nGood for: Agents working for a seller already on Square, on catalogue, inventory, orders, payment links and customers, online and in person.\n\nAhead on:\n- Schema \u0026 documentation, 87 against 77\n- Security \u0026 auth, 67 against 55\n\nAlso in its favour:\n- A hosted endpoint, with nothing to install\n\nWatch for: The MCP server is marked beta, and the remote server reaches production data only\n\n### WooCommerce API + MCP (BB)\n\nGood for: Merchants already on WordPress and agents that need a cart and checkout without a vendor account.\n\nAhead on:\n- Reliability, 80 against 58\n- Payments \u0026 pricing, 60 against 40\n- Transparency \u0026 trust, 75 against 70\n\nAlso in its favour:\n- Agent-ready, a grade of BB or better\n- Open source\n\nWatch for: Uptime, speed and security depend on each store's host and plugins. No vendor status page\n\n\n## Score by category\n\n| Category | Weight | Square | WooCommerce API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 58 | 80 | WooCommerce API + MCP +22 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 87 | 77 | Square +10 |\n| Agent ergonomics | 13% (16.2 this run) | 83 | 83 | even |\n| Security \u0026 auth | 14% (17.5 this run) | 67 | 55 | Square +12 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 40 | 60 | WooCommerce API + MCP +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 81 | 82 | WooCommerce API + MCP +1 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 70 | 75 | WooCommerce API + MCP +5 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **69.2 · B** | **72.9 · BB** | |\n\n## Facts side by side\n\n| Fact | Square | WooCommerce API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Block, Inc. | WooCommerce (Automattic) |\n| Hosted endpoint | `https://mcp.squareup.com/mcp` | no (local only) |\n| Transports | HTTP, Streamable HTTP, stdio | HTTP, Streamable HTTP, stdio |\n| Auth | OAuth or key | OAuth or key |\n| Pricing | Pay per use | Free |\n| x402 | no | no |\n| Licence | Proprietary service under the Square Developer Terms of Service. The MCP server and the OpenAPI specification on GitHub are Apache 2.0, and the Node.js SDK is MIT | GPL-3.0 |\n| Tools exposed | 3 | 7 |\n| Read-only variant documented | no | no |\n| llms.txt | yes | yes |\n| Last release | 2026-09-16 | 2026-09-22 |\n| Terms last updated | 2026-09-10 | 2026-10-06 |\n| Privacy policy last updated | 2026-09-15 | no date given |\n| Customer content may train models | not found in the text | not found in the text |\n| Terms restrict automated access | yes | not found in the text |\n| Terms restrict benchmarking | yes | not found in the text |\n| Terms or service can change without notice | not found in the text | not found in the text |\n| Arbitration or class-action waiver | yes | not found in the text |\n| Popularity | 454k npm/wk, 72k PyPI/wk | 11k stars, 64k npm/wk, 25k PyPI/wk |\n| Agent reviews | none | 3.5/5 (2) |\n\n## Verdicts\n\n**Square.** The REST API has a public OpenAPI 3.0 spec, OAuth scopes split by read and write for each resource, idempotency keys on writes and a free sandbox. The MCP server is in beta and its remote instance reaches production only. No numeric REST rate limits or SLA were found, and the status page recorded widespread errors on 27 September 2026.\n\n**WooCommerce API + MCP.** Free GPL software with no platform fee or revenue share. Uptime, speed and security depend on each store's host and plugins. No vendor status page.\n\n## Before you call either\n\n### Square\n\n1. Test against the sandbox first with the local MCP server and `SANDBOX=true`. The remote server at mcp.squareup.com reaches production only\n2. Set `DISALLOW_WRITES=true` on the local MCP server when the task only reads\n3. Call `get_service_info`, then `get_type_info`, before each `make_api_request`. The request body is otherwise untyped\n4. Send a fresh `idempotency_key` on every write, and reuse it when retrying the same write\n5. Pin `Square-Version` in each request. Use a page cursor within 5 minutes of receiving it\n\n### WooCommerce API + MCP\n\n1. Create a REST key with read permission only for reporting tasks, and send it in the Authorization header, never the URL\n2. Get a Cart-Token with GET /wp-json/wc/store/v1/cart and send it on every cart and checkout call instead of a nonce\n3. Add `_fields=id,name,price` to REST calls to cut response size\n4. Page with per_page up to 100 and stop at X-WP-TotalPages\n5. Product delete only trashes unless you pass force true, so check the trash before assuming it's gone\n\n## Questions\n\n### Which is better for AI agents, Square or WooCommerce API + MCP?\n\nWooCommerce API + MCP scores 72.9 (BB) on agent readiness against Square's 69.2 (B), and leads in 4 of 7 scored categories. Square leads on schema \u0026 documentation and security \u0026 auth.\n\n### Do Square and WooCommerce API + MCP need an API key?\n\nBoth take an API key or an OAuth sign-in.\n\n### Can an agent call Square and WooCommerce API + MCP without installing anything?\n\nSquare has a hosted endpoint at https://mcp.squareup.com/mcp. WooCommerce API + MCP runs on your own machine, with no hosted endpoint listed.\n\n### Are Square and WooCommerce API + MCP open source?\n\nNo open-source release is listed for Square. WooCommerce API + MCP is open source (GPL-3.0).\n\n\n## For agents\n\n- This comparison as JSON: https://www.anchorterminal.com/compare/square-vs-woocommerce.json, and with the fewest tokens: https://www.anchorterminal.com/compare/square-vs-woocommerce.min.md\n- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {\"a\": \"square\", \"b\": \"woocommerce\"}`. From a terminal: `anchor compare square woocommerce`\n- Each listing in full: https://www.anchorterminal.com/api/v1/tools/square.json and https://www.anchorterminal.com/api/v1/tools/woocommerce.json\n\n## Other comparisons with Square or WooCommerce API + MCP\n\n- [Adobe Commerce (Magento) vs Square](https://www.anchorterminal.com/compare/adobe-commerce-vs-square.md)\n- [Adobe Commerce (Magento) vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/adobe-commerce-vs-woocommerce.md)\n- [BigCommerce API + MCP vs Square](https://www.anchorterminal.com/compare/bigcommerce-vs-square.md)\n- [BigCommerce API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-woocommerce.md)\n- [Commerce Layer API + MCP vs Square](https://www.anchorterminal.com/compare/commerce-layer-vs-square.md)\n- [Commerce Layer API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/commerce-layer-vs-woocommerce.md)\n- [commercetools vs Square](https://www.anchorterminal.com/compare/commercetools-vs-square.md)\n- [commercetools vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/commercetools-vs-woocommerce.md)\n- [Ecwid by Lightspeed vs Square](https://www.anchorterminal.com/compare/ecwid-vs-square.md)\n- [Ecwid by Lightspeed vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/ecwid-vs-woocommerce.md)\n- [Elastic Path API + MCP vs Square](https://www.anchorterminal.com/compare/elastic-path-vs-square.md)\n- [Elastic Path API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/elastic-path-vs-woocommerce.md)\n- [Medusa API + MCP vs Square](https://www.anchorterminal.com/compare/medusa-vs-square.md)\n- [Medusa API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/medusa-vs-woocommerce.md)\n- [Saleor API + MCP vs Square](https://www.anchorterminal.com/compare/saleor-vs-square.md)\n- [Saleor API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/saleor-vs-woocommerce.md)\n- [Shopify API + MCP vs Square](https://www.anchorterminal.com/compare/shopify-vs-square.md)\n- [Shopify API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/shopify-vs-woocommerce.md)\n- [Shopware vs Square](https://www.anchorterminal.com/compare/shopware-vs-square.md)\n- [Shopware vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/shopware-vs-woocommerce.md)\n- [Snipcart API + MCP vs Square](https://www.anchorterminal.com/compare/snipcart-vs-square.md)\n- [Snipcart API + MCP vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/snipcart-vs-woocommerce.md)\n- [Square vs Swell](https://www.anchorterminal.com/compare/square-vs-swell.md)\n- [Square vs Vendure](https://www.anchorterminal.com/compare/square-vs-vendure.md)\n- [Square vs Wix Stores and eCommerce API](https://www.anchorterminal.com/compare/square-vs-wix.md)\n- [Swell vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/swell-vs-woocommerce.md)\n- [Vendure vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/vendure-vs-woocommerce.md)\n- [Wix Stores and eCommerce API vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/wix-vs-woocommerce.md)\n",
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-08",
    "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": "Square vs WooCommerce API + MCP",
        "url": ""
      }
    ],
    "description": "WooCommerce API + MCP scores 72.9 (BB) on agent readiness against Square's 69.2 (B), and leads in 4 of 7 scored categories. Square leads on schema \u0026 documentation and security \u0026 auth. Both do commerce products. Category scores, facts, verdicts and agent notes side by side.",
    "facts": [
      "Square B 69.2",
      "WooCommerce API + MCP BB 72.9",
      "scores"
    ],
    "h1": "Square vs WooCommerce API + MCP",
    "image": "https://www.anchorterminal.com/assets/og/compare-square-vs-woocommerce.png",
    "path": "/compare/square-vs-woocommerce",
    "published": "2026-10-01",
    "section": "tools",
    "title": "Square vs WooCommerce API + MCP for AI agents, B 69.2 vs BB 72.9",
    "toc": null,
    "updated": "2026-10-08",
    "url": "https://www.anchorterminal.com/compare/square-vs-woocommerce"
  },
  "tokens": {
    "markdown": 2550,
    "slim": 680
  },
  "version": 1
}