CertScore.ai MCP Light MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot
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Registry name: ai.certscore/mcp-light (v0.2.26) | GitHub stars
Status grid
| App | Status | Date tested |
|---|---|---|
| Claude | Untested | Not yet tested |
| ChatGPT | Untested | Not yet tested |
| Cursor | Untested | Not yet tested |
| Grok Bot | Untested | Not yet tested |
| MCP Inspector (reference client) | Untested | Not yet tested |
| MCP TypeScript SDK (reference client) | Works | Sat Oct 17 2026 |
Hands-on test results
| App | Task | Result | Time | Detail | Date tested |
|---|---|---|---|---|---|
| MCP TypeScript SDK (reference client) | connect (no auth) | Works | 731 ms | Connected without sign-in in 731 ms. | Oct 16, 2026, 8:09 PM CT |
| MCP TypeScript SDK (reference client) | list tools | Works | 1103 ms | 4 tools: certscore_scan_site, certscore_get_scan_status, certscore_get_report_evidence_page, certscore_get_scan_bundle. | Oct 16, 2026, 8:09 PM CT |
| MCP TypeScript SDK (reference client) | certscore_scan_site | Works | 10438 ms | certscore_scan_site: about 2 KB returned. "CertScore scan accepted: scanId=f2bcee9e-e380-4f24-84f3-642f0482ce20; status=running. Next: Wait at least 15 seconds, then call certscore_ge" | Oct 16, 2026, 8:09 PM CT |
| MCP TypeScript SDK (reference client) | error handling (missing required input) | Works | 337 ms | certscore_scan_site: tool error, about 1 KB returned. "{"type":"certscore_tool_error","status":"invalid_arguments","error":{"code":"invalid_arguments","message":"The url field is required.","fiel" | Oct 16, 2026, 8:09 PM CT |
Oct 16, 2026, 8:09 PM CT, MCP TypeScript SDK (reference client): Scripted client using the official MCP TypeScript SDK against https://mcp.certscore.ai/mcp/light (Streamable HTTP, protocol 2025-11-25). No sign-in needed. Server certscore v0.2.30. Read-only tasks only, chosen from the server's own tool list. 4 of 4 tasks passed.
Automated handshake
Works HTTP 200, 568 ms, checked Fri, 16 Oct 2026 17:02:43 GMT
Gotchas
None recorded yet. Gotchas come only from hands-on tests.
FAQ
Does the CertScore.ai MCP Light MCP server work?
In our hands-on test on Oct 16, 2026, 4 of 4 tasks passed.
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