{
  "data": {
    "a": {
      "slug": "elastic-path",
      "name": "Elastic Path API + MCP",
      "vendor": "Elastic Path",
      "vendorUrl": "https://www.elasticpath.com",
      "kind": "http-api",
      "category": "commerce",
      "summary": "Hosted commerce platform for building custom shopping experiences.",
      "url": "https://www.anchorterminal.com/tools/elastic-path",
      "markdownUrl": "https://www.anchorterminal.com/tools/elastic-path.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/elastic-path.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/elastic-path.json",
      "transports": [
        "http",
        "stdio"
      ],
      "remoteUrl": "https://useast.api.elasticpath.com/v2",
      "packages": [
        {
          "registry": "npm",
          "name": "@elasticpath/elasticpath-mcp"
        },
        {
          "registry": "npm",
          "name": "@elasticpath/js-sdk"
        }
      ],
      "auth": "oauth",
      "authNotes": "OAuth tokens from POST /oauth/access_token. client_credentials (client ID and secret from Application Keys) gives full CRUD; implicit (client ID only) reads live catalogue data for storefronts. Base URL depends on region (useast or euwest). The MCP server takes EPCC_CLIENT_ID, EPCC_CLIENT_SECRET and EPCC_BASE_URL and refreshes tokens itself.",
      "pricing": "paid",
      "pricingNotes": "No self-serve plan. Entry $49,500 a year for up to 15,000 orders or up to $5M GMV; Professional and Enterprise are quoted. Annual commitment. Subscriptions and entitlements add 0.5 per cent per transaction. A free trial is offered but its length isn't stated on the page (https://www.elasticpath.com/pricing).",
      "priceSummary": "$4125 / mo",
      "where": "both",
      "x402": {
        "level": "no",
        "evidence": "No x402 in docs or MCP README (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 95,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 754,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developer.elasticpath.com",
      "llmsTxt": "https://developer.elasticpath.com/llms.txt",
      "capabilities": [
        "commerce.products",
        "commerce.cart",
        "commerce.checkout",
        "commerce.orders",
        "commerce.headless"
      ],
      "tags": [
        "hosted",
        "mcp",
        "llms-txt",
        "typescript",
        "webhooks",
        "enterprise",
        "closed-source"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 50.4,
        "grade": "D",
        "agentReady": false,
        "rank": 358,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 9,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 33,
          "maintenance": 77,
          "payments": 12,
          "reliability": 68,
          "schema": 66,
          "security": 39,
          "transparency": 64
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Cart, promotion code, checkout and order endpoints cover the whole test flow. MCP server exposes 95 tools with full CRUD, no read-only mode and no public source or licence.",
        "strengths": [
          "Cart, promotion code, checkout and order endpoints cover the whole test flow",
          "Published rate limits, 100 requests a second for production stores",
          "Deprecations announced with removal dates about three months ahead",
          "Status page per region and API, with two incidents of 4 and 5 minutes in the last 15 days",
          "Official JS SDK and MCP server updated in late September 2026"
        ],
        "weaknesses": [
          "MCP server exposes 95 tools with full CRUD, no read-only mode and no public source or licence",
          "No self-serve plan. Contracts start at $49,500 a year",
          "Privacy policy last updated in 2018, with no DPA or subprocessor list",
          "No security page, certification claim or disclosure policy found",
          "No downloadable OpenAPI file found"
        ],
        "agentNotes": [
          "Use a client_credentials token server-side only. It has full CRUD on the store",
          "Pick the base URL for the store's region (useast or euwest), or every call returns 401",
          "Loading the MCP server costs 95 tool definitions, so enable it only for agents that need the back office",
          "On a 429, wait a few seconds and retry. No Retry-After header is sent",
          "Check out a cart with POST /v2/carts/{id}/checkout, then pay the resulting order"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 50.4
          }
        ],
        "editorialScores": {
          "ergonomics": 33,
          "maintenance": 77,
          "payments": 12,
          "reliability": 68,
          "schema": 66,
          "security": 39,
          "transparency": 38
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST https://useast.api.elasticpath.com/oauth/access_token \\\n  -d grant_type=client_credentials -d client_id=$EPCC_CLIENT_ID -d client_secret=$EPCC_CLIENT_SECRET\ncurl https://useast.api.elasticpath.com/pcm/products -H \"Authorization: Bearer $EPCC_ACCESS_TOKEN\"",
        "config": {
          "mcpServers": {
            "epcc-commerce": {
              "args": [
                "-y",
                "@elasticpath/elasticpath-mcp"
              ],
              "command": "npx",
              "env": {
                "EPCC_BASE_URL": "https://useast.api.elasticpath.com",
                "EPCC_CLIENT_ID": "${EPCC_CLIENT_ID}",
                "EPCC_CLIENT_SECRET": "${EPCC_CLIENT_SECRET}"
              }
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/commerce.products",
        "tool": "https://letme.dev/elastic-path"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Entry plan",
          "unit": "month",
          "usd": 4125,
          "note": "$49,500 a year billed yearly, up to 15,000 orders or $5M GMV"
        },
        {
          "item": "Subscriptions and entitlements add-on",
          "unit": "pct",
          "usd": 0.5,
          "note": "per transaction, only if used"
        }
      ],
      "provenance": {
        "legalEntity": "Elastic Path Software Inc.",
        "domain": "elasticpath.com",
        "domainRegistered": "2005-01-12",
        "endpointOnVendorDomain": true,
        "terms": "https://www.elasticpath.com/company/termsofuse",
        "privacy": "https://www.elasticpath.com/company/privacy-policy",
        "statusPage": "https://status.elasticpath.com",
        "changelog": "https://developer.elasticpath.com/changelog",
        "securityTxt": "unknown",
        "checked": "2026-09-30",
        "notes": [
          "www.elasticpath.com returns 403 to curl; terms, privacy and pricing were read with a browser-style fetch."
        ],
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/elastic-path.json",
      "live": {
        "slug": "elastic-path",
        "probe": {
          "target": "https://useast.api.elasticpath.com/v2",
          "method": "get",
          "lastAt": "2026-10-05T00:15:22.880545045Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 448,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 343,
          "p95ms24h": 489,
          "samples24h": 272,
          "samples30d": 1105,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "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": 3,
              "ok": 3
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.elasticpath.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-05T00:11:16.169849084Z"
        },
        "versions": [
          {
            "registry": "npm",
            "name": "@elasticpath/elasticpath-mcp",
            "version": "1.11.2",
            "seenAt": "2026-10-04T16:26:02.339889915Z"
          },
          {
            "registry": "npm",
            "name": "@elasticpath/js-sdk",
            "version": "35.1.0",
            "seenAt": "2026-10-04T16:26:03.197516447Z"
          }
        ],
        "npmWeekly": 239,
        "securityTxt": {
          "url": "https://elasticpath.com/.well-known/security.txt",
          "state": "unknown",
          "checkedAt": "2026-10-04T15:15:55.749614386Z"
        },
        "llmsTxt": {
          "url": "https://developer.elasticpath.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:31.331320519Z"
        },
        "domain": {
          "domain": "elasticpath.com",
          "registered": "2005-01-12",
          "source": "https://rdap.verisign.com/com/v1/domain/elasticpath.com",
          "checkedAt": "2026-10-04T13:04:48.120694694Z"
        },
        "pages": [
          {
            "url": "https://developer.elasticpath.com/changelog",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:42:34.609651393Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "b1cc24a8086f"
          },
          {
            "url": "https://www.elasticpath.com/pricing",
            "kind": "pricing",
            "status": 403,
            "checkedAt": "2026-10-04T15:50:14.050873411Z",
            "changedAt": "0001-01-01T00:00:00Z"
          },
          {
            "url": "https://www.elasticpath.com/company/privacy-policy",
            "kind": "privacy",
            "status": 403,
            "checkedAt": "2026-10-04T15:50:10.019868743Z",
            "changedAt": "0001-01-01T00:00:00Z"
          },
          {
            "url": "https://www.elasticpath.com/company/termsofuse",
            "kind": "terms",
            "status": 403,
            "checkedAt": "2026-10-04T15:50:12.031748738Z",
            "changedAt": "0001-01-01T00:00:00Z"
          }
        ],
        "updatedAt": "2026-10-05T00:15:22.880545045Z"
      }
    },
    "b": {
      "slug": "swell",
      "name": "Swell",
      "vendor": "Swell",
      "vendorUrl": "https://www.swell.is",
      "kind": "http-api",
      "category": "commerce",
      "summary": "Hosted headless commerce platform with a REST Backend API (products, carts, orders, subscriptions, coupons, promotions, custom models) and a Frontend API for storefronts.",
      "url": "https://www.anchorterminal.com/tools/swell",
      "markdownUrl": "https://www.anchorterminal.com/tools/swell.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/swell.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/swell.json",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://api.swell.store",
      "packages": [
        {
          "registry": "npm",
          "name": "swell-node"
        },
        {
          "registry": "npm",
          "name": "swell-js"
        }
      ],
      "auth": "api-key",
      "authNotes": "Backend API uses HTTP Basic auth with the store ID as username and a secret key as password. sk_test_ keys hit the test environment, sk_live_ keys hit live data. The Frontend API (swell-js) uses a public key. Official libraries use a custom wire protocol on port 8443.",
      "pricing": "paid",
      "pricingNotes": "Billed yearly, Starter $29 a month (2 admins, $50K yearly sales), Basic $79 ($250K), Standard $299 ($1M), Unlimited $2,250 ($5M), Custom above $10M. Above the sales ceiling Swell takes 2, 1.5, 1 or 0.4 per cent. Monthly API requests 100K, 500K and 2M on the first three plans, then $5 per extra 100K; function calls and storage are metered the same way. Monthly billing costs more (the page shows 25 per cent off for yearly). Free trial on every plan (https://www.swell.is/pricing).",
      "priceSummary": "$29 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 in the docs, pricing or AI page (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 4510,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developers.swell.is",
      "capabilities": [
        "commerce.products",
        "commerce.cart",
        "commerce.checkout",
        "commerce.orders",
        "commerce.headless"
      ],
      "tags": [
        "hosted",
        "typescript",
        "webhooks",
        "closed-source"
      ],
      "lastRelease": "2026-09-30",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 55.1,
        "grade": "C",
        "agentReady": false,
        "rank": 317,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 8,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 65,
          "maintenance": 82,
          "payments": 25,
          "reliability": 63,
          "schema": 68,
          "security": 35,
          "transparency": 51
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Live /:models schema with field types and descriptions for every store. One full-access secret key per environment, with no scoped or read-only key.",
        "strengths": [
          "Live /:models schema with field types and descriptions for every store",
          "Carts, coupons, promotions, subscriptions and orders in one REST API",
          "Official Claude Code skills with about 320 KB of agent reference and their own evals",
          "Public plan prices with per-unit overage for API requests and storage",
          "Events audit log in the developer console since 30 September 2026"
        ],
        "weaknesses": [
          "One full-access secret key per environment, with no scoped or read-only key",
          "Invalid writes return HTTP 200 with an errors object",
          "Rate-limit numbers aren't published",
          "No llms.txt, OpenAPI, security.txt or disclosure policy",
          "No DPA, subprocessor list or deprecation policy found"
        ],
        "agentNotes": [
          "Call GET /:models once and cache it. It's the ground truth for custom fields",
          "Check `result.errors` after every write. A failed validation still returns 200",
          "Use `$set` to replace an array. A plain PUT merges arrays by element id and never shrinks them",
          "Use an sk_test_ key while testing. A bare sk_ prefix is live",
          "Keep `expand` and `include` small. Each level past the first three points adds rate-limit weight"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 2.5,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "C",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 55.1
          }
        ],
        "editorialScores": {
          "ergonomics": 65,
          "maintenance": 82,
          "payments": 25,
          "reliability": 63,
          "schema": 68,
          "security": 35,
          "transparency": 31
        },
        "provenanceScore": 71
      },
      "connect": {
        "http": "curl \"https://api.swell.store/products?limit=5\" -u \"$SWELL_STORE_ID:$SWELL_SECRET_KEY\""
      },
      "letme": {
        "capability": "https://letme.dev/commerce.products",
        "tool": "https://letme.dev/swell"
      },
      "area": "business",
      "unitPrices": [
        {
          "item": "Starter",
          "unit": "month",
          "usd": 29,
          "note": "billed yearly, up to $50K sales a year, 100K API requests a month"
        },
        {
          "item": "Basic",
          "unit": "month",
          "usd": 79,
          "note": "billed yearly, up to $250K sales, 500K API requests"
        },
        {
          "item": "Standard",
          "unit": "month",
          "usd": 299,
          "note": "billed yearly, up to $1M sales, 2M API requests"
        },
        {
          "item": "Unlimited",
          "unit": "month",
          "usd": 2250,
          "note": "billed yearly, up to $5M sales"
        },
        {
          "item": "Fee above Starter ceiling",
          "unit": "pct",
          "usd": 2,
          "note": "on sales over $50K in a trailing 12 months"
        },
        {
          "item": "Fee above Basic ceiling",
          "unit": "pct",
          "usd": 1.5,
          "note": "on sales over $250K"
        },
        {
          "item": "Fee above Standard ceiling",
          "unit": "pct",
          "usd": 1,
          "note": "on sales over $1M"
        },
        {
          "item": "Fee above Unlimited ceiling",
          "unit": "pct",
          "usd": 0.4,
          "note": "on sales over $5M"
        },
        {
          "item": "Extra API requests",
          "unit": "1k-requests",
          "usd": 0.05,
          "note": "$5 per 100K over the plan quota"
        }
      ],
      "provenance": {
        "legalEntity": "Swell Commerce Corp.",
        "domain": "swell.is",
        "domainRegistered": "2019-09-06",
        "endpointOnVendorDomain": false,
        "terms": "https://www.swell.is/legal/terms-of-service",
        "privacy": "https://www.swell.is/legal/privacy-policy",
        "statusPage": "https://status.swell.store/",
        "changelog": "https://www.swell.is/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "notes": [
          "The API runs on api.swell.store, Swell's older domain, not swell.is.",
          "/.well-known/security.txt redirects to itself, so no file could be read."
        ],
        "score": 71
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/swell.json",
      "live": {
        "slug": "swell",
        "probe": {
          "target": "https://api.swell.store",
          "method": "get",
          "lastAt": "2026-10-05T00:15:30.975290668Z",
          "lastOk": true,
          "lastStatus": 401,
          "lastMs": 425,
          "lastNote": "asks for credentials",
          "authRequired": true,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 424,
          "p95ms24h": 493,
          "samples24h": 272,
          "samples30d": 1105,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "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": 3,
              "ok": 3
            }
          ]
        },
        "vendorStatus": {
          "page": "https://status.swell.store",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-05T00:11:35.28668551Z"
        },
        "versions": [
          {
            "registry": "npm",
            "name": "swell-js",
            "version": "5.9.1",
            "seenAt": "2026-10-04T16:41:14.900438488Z"
          },
          {
            "registry": "npm",
            "name": "swell-node",
            "version": "6.0.5",
            "seenAt": "2026-10-04T16:41:14.06948726Z"
          }
        ],
        "npmWeekly": 1318,
        "securityTxt": {
          "url": "https://swell.is/.well-known/security.txt",
          "state": "unknown",
          "checkedAt": "2026-10-04T15:15:43.053806639Z"
        },
        "domain": {
          "domain": "swell.is",
          "registered": "2019-09-06",
          "source": "https://rdap.isnic.is/rdap/domain/swell.is",
          "checkedAt": "2026-10-04T13:09:13.981723691Z"
        },
        "pages": [
          {
            "url": "https://www.swell.is/changelog",
            "kind": "changelog",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:21.610635571Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "1629c2fb7a64"
          },
          {
            "url": "https://www.swell.is/pricing",
            "kind": "pricing",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:27.807838884Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "32193c4b3a20"
          },
          {
            "url": "https://www.swell.is/legal/privacy-policy",
            "kind": "privacy",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:23.811781459Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "fbd01fa046b6"
          },
          {
            "url": "https://www.swell.is/legal/terms-of-service",
            "kind": "terms",
            "status": 200,
            "checkedAt": "2026-10-04T15:52:25.803068539Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "4090f2726940"
          }
        ],
        "updatedAt": "2026-10-05T00:15:30.975290668Z"
      }
    },
    "summary": "Swell has a score of 55.1 (C) against Elastic Path API + MCP's 50.4 (D). Both do commerce products. The largest gap is agent ergonomics, 32 points."
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/compare/elastic-path-vs-swell",
    "json": "https://www.anchorterminal.com/compare/elastic-path-vs-swell.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/compare/elastic-path-vs-swell.md",
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  "markdown": "Swell has a score of 55.1 (C) against Elastic Path API + MCP's 50.4 (D). Both do commerce products. The largest gap is agent ergonomics, 32 points.\n\n- Elastic Path API + MCP: grade D, 50.4/100, rank #358 of 452. Markdown https://www.anchorterminal.com/tools/elastic-path.md · JSON https://www.anchorterminal.com/api/v1/tools/elastic-path.json\n- Swell: grade C, 55.1/100, rank #317 of 452. Markdown https://www.anchorterminal.com/tools/swell.md · JSON https://www.anchorterminal.com/api/v1/tools/swell.json\n\n## Which one, for what\n\nPick Elastic Path API + MCP for reliability (+5), transparency \u0026 trust (+13).\n\nPick Swell for agent ergonomics (+32), payments \u0026 pricing (+13), maintenance \u0026 community (+5).\n\n## Score by category\n\n| Category | Weight | Elastic Path API + MCP | Swell | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 68 | 63 | Elastic Path API + MCP +5 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 66 | 68 | Swell +2 |\n| Agent ergonomics | 13% (16.2 this run) | 33 | 65 | Swell +32 |\n| Security \u0026 auth | 14% (17.5 this run) | 39 | 35 | Elastic Path API + MCP +4 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 12 | 25 | Swell +13 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 77 | 82 | Swell +5 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 64 | 51 | Elastic Path API + MCP +13 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **50.4 · D** | **55.1 · C** | |\n\n## Facts side by side\n\n| Fact | Elastic Path API + MCP | Swell |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Elastic Path | Swell |\n| Hosted endpoint | `https://useast.api.elasticpath.com/v2` | `https://api.swell.store` |\n| Transports | HTTP, stdio | HTTP |\n| Auth | OAuth | API key |\n| Pricing | Paid | Paid |\n| x402 | no | no |\n| Licence | none | none |\n| Tools exposed | 95 | none |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | no |\n| llms.txt | yes | no |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-29 | 2026-09-30 |\n| Popularity | 754 npm/wk | 4.5k npm/wk |\n| Agent reviews | 2/5 (2) | 2.5/5 (2) |\n\n## Verdicts\n\n**Elastic Path API + MCP.** Cart, promotion code, checkout and order endpoints cover the whole test flow. MCP server exposes 95 tools with full CRUD, no read-only mode and no public source or licence.\n\n**Swell.** Live /:models schema with field types and descriptions for every store. One full-access secret key per environment, with no scoped or read-only key.\n\n## Before you call either\n\n### Elastic Path API + MCP\n\n1. Use a client_credentials token server-side only. It has full CRUD on the store\n2. Pick the base URL for the store's region (useast or euwest), or every call returns 401\n3. Loading the MCP server costs 95 tool definitions, so enable it only for agents that need the back office\n4. On a 429, wait a few seconds and retry. No Retry-After header is sent\n5. Check out a cart with POST /v2/carts/{id}/checkout, then pay the resulting order\n\n### Swell\n\n1. Call GET /:models once and cache it. It's the ground truth for custom fields\n2. Check `result.errors` after every write. A failed validation still returns 200\n3. Use `$set` to replace an array. A plain PUT merges arrays by element id and never shrinks them\n4. Use an sk_test_ key while testing. A bare sk_ prefix is live\n5. Keep `expand` and `include` small. Each level past the first three points adds rate-limit weight\n\n## Other comparisons with Elastic Path API + MCP or Swell\n\n- [BigCommerce API + MCP vs Elastic Path API + MCP](https://www.anchorterminal.com/compare/bigcommerce-vs-elastic-path.md)\n- [BigCommerce API + MCP vs Swell](https://www.anchorterminal.com/compare/bigcommerce-vs-swell.md)\n- [Commerce Layer API + MCP vs Elastic Path API + MCP](https://www.anchorterminal.com/compare/commerce-layer-vs-elastic-path.md)\n- [Commerce Layer API + MCP vs Swell](https://www.anchorterminal.com/compare/commerce-layer-vs-swell.md)\n- [Elastic Path API + MCP vs Medusa API + MCP](https://www.anchorterminal.com/compare/elastic-path-vs-medusa.md)\n- [Elastic Path API + MCP vs Saleor API + MCP](https://www.anchorterminal.com/compare/elastic-path-vs-saleor.md)\n- [Elastic Path API + MCP vs Shopify API + MCP](https://www.anchorterminal.com/compare/elastic-path-vs-shopify.md)\n- [Elastic Path API + MCP vs Snipcart API + MCP](https://www.anchorterminal.com/compare/elastic-path-vs-snipcart.md)\n- [Elastic Path API + MCP vs Vendure](https://www.anchorterminal.com/compare/elastic-path-vs-vendure.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 Swell](https://www.anchorterminal.com/compare/medusa-vs-swell.md)\n- [Saleor API + MCP vs Swell](https://www.anchorterminal.com/compare/saleor-vs-swell.md)\n- [Shopify API + MCP vs Swell](https://www.anchorterminal.com/compare/shopify-vs-swell.md)\n- [Snipcart API + MCP vs Swell](https://www.anchorterminal.com/compare/snipcart-vs-swell.md)\n- [Swell vs Vendure](https://www.anchorterminal.com/compare/swell-vs-vendure.md)\n- [Swell vs WooCommerce API + MCP](https://www.anchorterminal.com/compare/swell-vs-woocommerce.md)\n",
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    "description": "Swell has a score of 55.1 (C) against Elastic Path API + MCP's 50.4 (D). Both do commerce products. The largest gap is agent ergonomics, 32 points. Category scores, facts, verdicts and agent notes side by side.",
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    "title": "Elastic Path API + MCP vs Swell for AI agents, D 50.4 vs C 55.1",
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