Constat Auto — Constat amiable
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https://www.constat-auto.com/api/mcpUnknownMCP 2025-11-25v1.0.0last checked 18 Oct 2026spoke MCP on 100% of 88 checks (30 days)initialize in 75 msWill my client connect?
Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.
–Claude CodeUnknown
The handshake was refused with no challenge and no OAuth metadata, so what this server wants is not something the probe could record.
Claude Code docs · read on 2026-08-30
–Claude (claude.ai & Desktop)Unknown
The handshake was refused with no challenge and no OAuth metadata, so what this server wants is not something the probe could record.
Claude (claude.ai & Desktop) docs · read on 2026-08-30
–ChatGPTUnknown
The handshake was refused with no challenge and no OAuth metadata, so what this server wants is not something the probe could record.
ChatGPT docs · read on 2026-08-30
–CursorUnknown
The handshake was refused with no challenge and no OAuth metadata, so what this server wants is not something the probe could record.
Cursor docs · read on 2026-08-30
–VS Code (Copilot)Unknown
The handshake was refused with no challenge and no OAuth metadata, so what this server wants is not something the probe could record.
VS Code (Copilot) docs · read on 2026-08-30
How to authenticate
Checked against the endpoint by our probe on 18 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.
| Scheme | Unknown |
|---|---|
| Protected-resource metadata | ✕Not found Without it a client has to guess where the authorization server lives. |
| Anonymous access | Refused — credentials required |
What the probe found
It speaks JSON-RPC but rejected the handshake: {"code":"403","id":"fra1::p7m6b-1792358871151-4e2141cabaa3","message":"Forbidden"}
A cross-origin preflight came back without Access-Control-Allow-Origin, so the endpoint is reachable from native clients only — code running in a web page is stopped by the browser before a request is ever sent.
Tools
Contract history
Instructions rewritten: constat_finaliser. The description an agent follows changed; the callable contract may not have.
Breaking: constat_demarrer
Instructions rewritten: constat_finaliser. The description an agent follows changed; the callable contract may not have.
Instructions rewritten: constat_finaliser. The description an agent follows changed; the callable contract may not have.
Breaking: constat_demarrer
Instructions rewritten: constat_finaliser. The description an agent follows changed; the callable contract may not have.
Instructions rewritten: constat_finaliser. The description an agent follows changed; the callable contract may not have.
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Status badge
Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.
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