Ask your Oura Ring about sleep, readiness, activity, stress and heart rate in ChatGPT or Claude, in any language. Read-only, 10 task-oriented tools; runs in a sandbox demo mode with no credentials.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
Hono JWK Auth Middleware has JWT algorithm confusion when JWK lacks "alg" (untrusted header.alg fallback)
hono: CORS Middleware reflects any Origin with credentials when `origin` defaults to the wildcard
process.env. You'll be asked to provide them before it can run.OURA_CLIENT_ID— yes Your Oura app's client idOURA_CLIENT_SECRET— yes Your Oura app's client secretOURA_INTERACTIVE_AUTHOURA_SANDBOX— Want to hack on it without a ring? =1 npm run dev serves Oura's sandbox data, no account needed.PORT— Keep =3000 in .env (or adjust the compose port mapping to match).[](https://m8ven.ai/mcp/rajskij-oura-mcp-16rqaj)