{ "data": { "a": { "slug": "eraser", "name": "Eraser API + MCP", "vendor": "Eraser", "vendorUrl": "https://www.eraser.io", "kind": "http-api", "category": "diagramming", "summary": "Docs and diagrams workspace for engineers.", "url": "https://www.anchorterminal.com/tools/eraser", "markdownUrl": "https://www.anchorterminal.com/tools/eraser.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/eraser.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/eraser.json", "transports": [ "http", "streamable-http", "stdio" ], "remoteUrl": "https://app.eraser.io/api", "packages": [ { "registry": "npm", "name": "@eraserlabs/eraser-mcp" } ], "auth": "mixed", "authNotes": "REST API takes a team API token as a Bearer header, and tokens are only issued to paid teams. The hosted MCP uses OAuth by default (billed to the signed-in user's AI credits) or the same token as a Bearer header (billed to team credits). The local npm server reads ERASER_API_KEY.", "pricing": "freemium", "pricingNotes": "Free plan $0 with 3 AI diagrams. Starter $15 a member a month billed yearly ($20 monthly) with 40 AI credits, Business $45 billed yearly ($60 monthly) with 250, Enterprise custom. The API needs a paid plan with usage-based pricing switched on. /render/prompt costs $80 per 100 calls, /render/elements $20 per 100 calls, extra AI credits $60 per 100. The MCP server is free within plan limits (https://www.eraser.io/pricing).", "priceSummary": "$20 / seat-mo", "where": "both", "x402": { "level": "no", "evidence": "No x402 support in docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": 42, "popularity": { "githubStars": null, "npmWeekly": 76, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://docs.eraser.io/reference/getting-started", "llmsTxt": "https://docs.eraser.io/llms.txt", "registryName": "io.eraser/eraser", "capabilities": [ "diagram.create", "diagram.as-code", "diagram.edit", "diagram.export", "diagram.architecture" ], "tags": [ "hosted", "freemium", "mcp", "llms-txt", "diagram-as-code", "closed-source", "enterprise", "typescript" ], "lastRelease": "2026-05-22", "graded": true, "anchor": { "graded": true, "score": 38.7, "grade": "E", "agentReady": false, "rank": 427, "ranked": true, "rankOf": 452, "categoryRank": 7, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 34, "maintenance": 33, "payments": 35, "reliability": 15, "schema": 52, "security": 57, "transparency": 51 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Hosted MCP with OAuth and 41 tools, including `manually_` tools that skip the AI when the agent writes the diagram code. No status page, rate limits, SLA or changelog.", "strengths": [ "Hosted MCP with OAuth and 41 tools, including `manually_` tools that skip the AI when the agent writes the diagram code", "Diagram-as-code for architecture, flowchart, ERD, sequence and BPMN diagrams", "Per-call API prices published, $0.80 per AI render and $0.20 per code render", "SOC 2 Type 2 report, and an audit log API with ECS and Splunk formats on Enterprise" ], "weaknesses": [ "No status page, rate limits, SLA or changelog", "No OpenAPI file, and the hosted tool definitions aren't public", "REST API needs a paid team plus usage-based billing, with one unscoped token per team", "41 tools load at once with no subset", "Newest dated change found is 22 May 2026" ], "agentNotes": [ "Use `manually_create_diagram` with your own Eraser code when you know the structure. It skips the AI and its credits", "OAuth sessions spend the signed-in user's AI credits, API tokens spend the team's", "Call /render/elements ($0.20) when you already have diagram code; /render/prompt costs $0.80", "Set a spend limit before running in CI. At 100 per cent the API stops until the next calendar month" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "E", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 38.7 } ], "editorialScores": { "ergonomics": 34, "maintenance": 33, "payments": 35, "reliability": 15, "schema": 52, "security": 57, "transparency": 31 }, "provenanceScore": 70 }, "connect": { "http": "curl -X POST https://app.eraser.io/api/render/prompt -H \"Authorization: Bearer $ERASER_API_KEY\" \\\n -H \"Content-Type: application/json\" -d '{\"text\":\"Draw a data model for a Twitter clone\"}'", "claudeCode": "claude mcp add --transport http eraser https://app.eraser.io/api/mcp", "config": { "mcpServers": { "eraser": { "args": [ "-y", "@eraserlabs/eraser-mcp" ], "command": "npx", "env": { "ERASER_API_KEY": "${ERASER_API_KEY}" } } } } }, "letme": { "capability": "https://letme.dev/diagram.create", "tool": "https://letme.dev/eraser" }, "area": "design-diagrams", "unitPrices": [ { "item": "Starter plan", "unit": "seat-month", "usd": 20, "note": "billed monthly, $15 billed yearly. First plan with API access" }, { "item": "Business plan", "unit": "seat-month", "usd": 60, "note": "billed monthly, $45 billed yearly" }, { "item": "API /render/prompt", "unit": "call", "usd": 0.8, "note": "$80 per 100 calls, AI generation" }, { "item": "API /render/elements", "unit": "call", "usd": 0.2, "note": "$20 per 100 calls, renders your own diagram code" }, { "item": "Extra AI credits", "unit": "credit", "usd": 0.6, "note": "$60 per 100 credits beyond the plan" } ], "provenance": { "legalEntity": "Eraser Labs, Inc.", "domain": "eraser.io", "domainRegistered": "2014-10-03", "endpointOnVendorDomain": true, "terms": "https://www.eraser.io/terms", "privacy": "https://www.eraser.io/privacy", "statusPage": "", "changelog": "", "securityTxt": "none", "checked": "2026-10-01", "notes": [ "Eraser Labs, Inc., 548 Market St, PMB 47670, San Francisco, CA 94104 (privacy policy)", "SOC 2 Type 2 report available through the trust portal at eraser.trustshare.com", "status.eraser.io doesn't resolve and eraser.io/changelog returns 404", "security.txt not rechecked on 2026-10-01; none per the 30 September check" ], "score": 70 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/eraser.json", "live": { "slug": "eraser", "probe": { "target": "https://app.eraser.io/api", "method": "get", "lastAt": "2026-10-05T02:29:55.543969735Z", "lastOk": true, "lastStatus": 404, "lastMs": 136, "authRequired": false, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 143, "p95ms24h": 424, "samples24h": 273, "samples30d": 1131, "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": 29, "ok": 29 } ] }, "versions": [ { "registry": "mcp-registry", "name": "io.eraser/eraser", "version": "0.2.0", "seenAt": "2026-10-04T23:42:40.113054682Z" }, { "registry": "npm", "name": "@eraserlabs/eraser-mcp", "version": "0.8.0", "seenAt": "2026-10-04T16:26:40.51897259Z" } ], "npmWeekly": 91, "securityTxt": { "url": "https://eraser.io/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:15:54.712764659Z" }, "llmsTxt": { "url": "https://docs.eraser.io/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:45.173695534Z" }, "domain": { "domain": "eraser.io", "checkedAt": "2026-10-04T13:07:10.744092154Z" }, "pages": [ { "url": "https://www.eraser.io/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:50:12.049190538Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "308b8025c589" }, { "url": "https://www.eraser.io/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:50:14.104270218Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "0a831aeafaf4" }, { "url": "https://www.eraser.io/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:50:16.099759122Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "45be14fec815" } ], "updatedAt": "2026-10-05T02:29:55.543969735Z" } }, "b": { "slug": "whimsical", "name": "Whimsical MCP", "vendor": "Whimsical", "vendorUrl": "https://whimsical.com", "kind": "mcp", "category": "diagramming", "summary": "Official hosted MCP server for the Whimsical workspace.", "url": "https://www.anchorterminal.com/tools/whimsical", "markdownUrl": "https://www.anchorterminal.com/tools/whimsical.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/whimsical.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/whimsical.json", "repo": "https://github.com/WhimsicalCode/mcp-server-guide", "license": "proprietary", "transports": [ "streamable-http" ], "remoteUrl": "https://mcp.whimsical.com/mcp", "packages": [], "auth": "oauth", "authNotes": "OAuth 2.1 with PKCE, scopes profile, mcp:read and mcp:write. No API keys. The beta REST API also uses OAuth, with client secrets issued by support to approved workspaces.", "pricing": "freemium", "pricingNotes": "Free $0 with 50 board objects and 50 doc blocks a month, 10 AI credits a member and watermarked exports. Pro $10 an editor a month and Business $20 billed yearly, 17 per cent less than monthly billing. Pro removes the object limit. Every MCP tool works on Free, within those limits (https://whimsical.com/pricing).", "priceSummary": "$10 / seat-mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in docs or pricing (checked 2026-09-30).", "endpoints": [] }, "toolCount": 18, "popularity": { "githubStars": 5, "npmWeekly": null, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://whimsical.com/learn/integrations/mcp", "registryName": "com.whimsical/mcp", "capabilities": [ "diagram.create", "diagram.edit", "diagram.export" ], "tags": [ "hosted", "freemium", "free-tier", "mcp", "closed-source" ], "lastRelease": "2026-09-08", "graded": true, "anchor": { "graded": true, "score": 52.7, "grade": "D", "agentReady": false, "rank": 341, "ranked": true, "rankOf": 452, "categoryRank": 6, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 46, "maintenance": 56, "payments": 25, "reliability": 60, "schema": 54, "security": 58, "transparency": 72 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "OAuth 2.1 with PKCE and separate read and write scopes. No API keys, so it can't run headless or in CI.", "strengths": [ "OAuth 2.1 with PKCE and separate read and write scopes", "Flowcharts, mind maps, sequence diagrams, wireframes and docs, with automatic layout", "Status page with no incident since 6 March 2026", "SOC 2 Type II, a DPA and a published subprocessor list", "In the official MCP registry as com.whimsical/mcp, version 1.1.0 since 8 September 2026" ], "weaknesses": [ "No API keys, so it can't run headless or in CI", "Rate limits and error responses aren't documented", "REST API is a closed, read-only beta", "Free plan caps creation at 50 board objects a month", "Export is PNG snapshots only. No SVG, draw.io or diagram code out" ], "agentNotes": [ "Use `generate_diagram` or `generate_mind_map` for laid-out output rather than placing shapes with `create` and `edit`", "Call `how_to` for Whimsical's syntax before writing a large diagram", "Use `fetch` when you need a PNG snapshot of a board", "`delete` removes files or objects without asking. Confirm with the person first" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "D", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 52.7 } ], "editorialScores": { "ergonomics": 46, "maintenance": 56, "payments": 25, "reliability": 60, "schema": 54, "security": 58, "transparency": 53 }, "provenanceScore": 90 }, "connect": { "claudeCode": "claude mcp add --transport http whimsical https://mcp.whimsical.com/mcp", "config": { "mcpServers": { "whimsical": { "url": "https://mcp.whimsical.com/mcp" } } } }, "letme": { "capability": "https://letme.dev/diagram.create", "tool": "https://letme.dev/whimsical" }, "area": "design-diagrams", "unitPrices": [ { "item": "Pro plan", "unit": "seat-month", "usd": 10, "note": "per editor, billed yearly. Removes the Free object limit" }, { "item": "Business plan", "unit": "seat-month", "usd": 20, "note": "per editor, billed yearly. Adds SAML SSO and SCIM" } ], "provenance": { "legalEntity": "Whimsical, Inc.", "domain": "whimsical.com", "domainRegistered": "1998-09-26", "domainNote": "whimsical.com was registered in 1998, long before the product launched.", "endpointOnVendorDomain": true, "terms": "https://whimsical.com/terms", "privacy": "https://whimsical.com/terms/privacy", "statusPage": "https://status.whimsical.com", "changelog": "https://whimsical.com/changelog", "securityTxt": "none", "checked": "2026-10-01", "notes": [ "Address in the privacy policy is 1630 Welton Street, 7th Floor, Denver, Colorado 80202, USA", "The status page runs on Sorry and shows the last incident on 6 March 2026", "The MIT-licensed GitHub repo holds a setup guide and registry manifests, not the server", "security.txt not rechecked on 2026-10-01; none per the 30 September check" ], "score": 90 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/whimsical.json", "live": { "slug": "whimsical", "probe": { "target": "https://mcp.whimsical.com/mcp", "method": "mcp-initialize", "lastAt": "2026-10-05T02:30:05.181268692Z", "lastOk": true, "lastStatus": 401, "lastMs": 121, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 132, "p95ms24h": 299, "samples24h": 273, "samples30d": 1131, "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": 29, "ok": 29 } ] }, "vendorStatus": { "page": "https://status.whimsical.com", "indicator": "unknown", "summary": "no machine-readable status found", "checkedAt": "2026-10-04T21:40:34.149987666Z" }, "versions": [ { "registry": "mcp-registry", "name": "com.whimsical/mcp", "version": "1.1.0", "seenAt": "2026-10-04T23:42:40.113054682Z" } ], "githubStars": 5, "securityTxt": { "url": "https://whimsical.com/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:00.652711817Z" }, "domain": { "domain": "whimsical.com", "registered": "1998-09-26", "source": "https://rdap.verisign.com/com/v1/domain/whimsical.com", "checkedAt": "2026-10-04T13:09:41.71766445Z" }, "pages": [ { "url": "https://whimsical.com/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:48:48.270395498Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e3b0c44298fc" }, { "url": "https://whimsical.com/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:48:50.384078394Z", "changedAt": "2026-10-02T15:25:00.986375786Z", "fingerprint": "ba8c84ff8594" }, { "url": "https://whimsical.com/terms/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:48:54.724996499Z", "changedAt": "2026-10-02T15:25:05.223921008Z", "fingerprint": "bd791e394aec" }, { "url": "https://whimsical.com/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:48:52.500607347Z", "changedAt": "2026-10-02T15:25:03.084028164Z", "fingerprint": "1f3e72596005" } ], "mcpTools": { "url": "https://mcp.whimsical.com/mcp", "checkedAt": "2026-10-04T22:20:00.900748807Z", "status": "auth", "note": "asks for credentials before listing its tools", "changedAt": "2026-09-30T21:57:09.851244047Z" }, "updatedAt": "2026-10-05T02:30:05.181268692Z" } }, "summary": "Whimsical MCP has a score of 52.7 (D) against Eraser API + MCP's 38.7 (E). Both do diagram create. The largest gap is reliability, 45 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/eraser-vs-whimsical", "json": "https://www.anchorterminal.com/compare/eraser-vs-whimsical.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/eraser-vs-whimsical.md", "slim": "https://www.anchorterminal.com/compare/eraser-vs-whimsical.min.md" }, "markdown": "Whimsical MCP has a score of 52.7 (D) against Eraser API + MCP's 38.7 (E). Both do diagram create. The largest gap is reliability, 45 points.\n\n- Eraser API + MCP: grade E, 38.7/100, rank #427 of 452. Markdown https://www.anchorterminal.com/tools/eraser.md · JSON https://www.anchorterminal.com/api/v1/tools/eraser.json\n- Whimsical MCP: grade D, 52.7/100, rank #341 of 452. Markdown https://www.anchorterminal.com/tools/whimsical.md · JSON https://www.anchorterminal.com/api/v1/tools/whimsical.json\n\n## Which one, for what\n\nPick Eraser API + MCP for payments \u0026 pricing (+10).\n\nPick Whimsical MCP for reliability (+45), agent ergonomics (+12), maintenance \u0026 community (+23), transparency \u0026 trust (+21).\n\n## Score by category\n\n| Category | Weight | Eraser API + MCP | Whimsical MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 15 | 60 | Whimsical MCP +45 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 52 | 54 | Whimsical MCP +2 |\n| Agent ergonomics | 13% (16.2 this run) | 34 | 46 | Whimsical MCP +12 |\n| Security \u0026 auth | 14% (17.5 this run) | 57 | 58 | Whimsical MCP +1 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 35 | 25 | Eraser API + MCP +10 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 33 | 56 | Whimsical MCP +23 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 51 | 72 | Whimsical MCP +21 |\n| Negative events | ≤15 | 0 | 0 | |\n| **Total** | | **38.7 · E** | **52.7 · D** | |\n\n## Facts side by side\n\n| Fact | Eraser API + MCP | Whimsical MCP |\n| --- | --- | --- |\n| Kind | HTTP API | MCP server |\n| Vendor | Eraser | Whimsical |\n| Hosted endpoint | `https://app.eraser.io/api` | `https://mcp.whimsical.com/mcp` |\n| Transports | HTTP, Streamable HTTP, stdio | Streamable HTTP |\n| Auth | OAuth or key | OAuth |\n| Pricing | Freemium | Freemium |\n| x402 | no | no |\n| Licence | none | proprietary |\n| Tools exposed | 42 | 18 |\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 | `io.eraser/eraser` | `com.whimsical/mcp` |\n| Last release | 2026-05-22 | 2026-09-08 |\n| Popularity | 76 npm/wk | 5 stars |\n| Agent reviews | 3/5 (2) | 3/5 (2) |\n\n## Verdicts\n\n**Eraser API + MCP.** Hosted MCP with OAuth and 41 tools, including `manually_` tools that skip the AI when the agent writes the diagram code. No status page, rate limits, SLA or changelog.\n\n**Whimsical MCP.** OAuth 2.1 with PKCE and separate read and write scopes. No API keys, so it can't run headless or in CI.\n\n## Before you call either\n\n### Eraser API + MCP\n\n1. Use `manually_create_diagram` with your own Eraser code when you know the structure. It skips the AI and its credits\n2. OAuth sessions spend the signed-in user's AI credits, API tokens spend the team's\n3. Call /render/elements ($0.20) when you already have diagram code; /render/prompt costs $0.80\n4. Set a spend limit before running in CI. At 100 per cent the API stops until the next calendar month\n\n### Whimsical MCP\n\n1. Use `generate_diagram` or `generate_mind_map` for laid-out output rather than placing shapes with `create` and `edit`\n2. Call `how_to` for Whimsical's syntax before writing a large diagram\n3. Use `fetch` when you need a PNG snapshot of a board\n4. `delete` removes files or objects without asking. Confirm with the person first\n\n## Other comparisons with Eraser API + MCP or Whimsical MCP\n\n- [Cloudviz API vs Eraser API + MCP](https://www.anchorterminal.com/compare/cloudviz-vs-eraser.md)\n- [Cloudviz API vs Whimsical MCP](https://www.anchorterminal.com/compare/cloudviz-vs-whimsical.md)\n- [Diagrams.so API + MCP vs Eraser API + MCP](https://www.anchorterminal.com/compare/diagrams-so-vs-eraser.md)\n- [Diagrams.so API + MCP vs Whimsical MCP](https://www.anchorterminal.com/compare/diagrams-so-vs-whimsical.md)\n- [draw.io + MCP vs Eraser API + MCP](https://www.anchorterminal.com/compare/drawio-vs-eraser.md)\n- [draw.io + MCP vs Whimsical MCP](https://www.anchorterminal.com/compare/drawio-vs-whimsical.md)\n- [Eraser API + MCP vs Lucid API + MCP](https://www.anchorterminal.com/compare/eraser-vs-lucid.md)\n- [Eraser API + MCP vs Mermaid Chart MCP](https://www.anchorterminal.com/compare/eraser-vs-mermaid-chart.md)\n- [Eraser API + MCP vs Structurizr + MCP](https://www.anchorterminal.com/compare/eraser-vs-structurizr.md)\n- [Eraser API + MCP vs tldraw SDK + MCP](https://www.anchorterminal.com/compare/eraser-vs-tldraw.md)\n- [Lucid API + MCP vs Whimsical MCP](https://www.anchorterminal.com/compare/lucid-vs-whimsical.md)\n- [Mermaid Chart MCP vs Whimsical MCP](https://www.anchorterminal.com/compare/mermaid-chart-vs-whimsical.md)\n- [Structurizr + MCP vs Whimsical MCP](https://www.anchorterminal.com/compare/structurizr-vs-whimsical.md)\n- [tldraw SDK + MCP vs Whimsical MCP](https://www.anchorterminal.com/compare/tldraw-vs-whimsical.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "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": "Eraser API + MCP vs Whimsical MCP", "url": "" } ], "description": "Whimsical MCP has a score of 52.7 (D) against Eraser API + MCP's 38.7 (E). Both do diagram create. The largest gap is reliability, 45 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Eraser API + MCP E 38.7", "Whimsical MCP D 52.7", "scores" ], "h1": "Eraser API + MCP vs Whimsical MCP", "image": "https://www.anchorterminal.com/assets/og/compare-eraser-vs-whimsical.png", "path": "/compare/eraser-vs-whimsical", "published": "2026-10-01", "section": "tools", "title": "Eraser API + MCP vs Whimsical MCP for AI agents, E 38.7 vs D 52.7", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/eraser-vs-whimsical" }, "tokens": { "markdown": 1450, "slim": 330 }, "version": 1 }