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Supabase MCP Server

A powerful MCP server for Supabase that provides interactive tools and React widgets for exploring and querying your Supabase database.

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// key findings
⚠️
Known vulnerabilities in dependencies: 9 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 1 credential: ACCESS_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies9 high3 medium2 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

highreact-router@7.9.6GHSA-2w69-qvjg-hvjx

React Router vulnerable to XSS via Open Redirects

highreact-router@7.9.6GHSA-49rj-9fvp-4h2h

React Router's vendored turbo-stream v2 allows arbitrary constructor invocation via TYPE_ERROR deserialization leading to Unauth RCE

highreact-router@7.9.6GHSA-8646-j5j9-6r62

React Router vulnerable to XSS in unstable RSC redirect handling via javascript: redirect targets

highreact-router@7.9.6GHSA-8v8x-cx79-35w7

React Router SSR XSS in ScrollRestoration

highreact-router@7.9.6GHSA-8x6r-g9mw-2r78

React Router vulnerable to DoS via unbounded path expansion in __manifest endpoint

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretACCESS_TOKENexport ="your-access-token"
configMCP_USE_OAUTH_SUPABASE_PROJECT_ID
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/mcp-use-supabase-mcp-server-r3o862)](https://m8ven.ai/mcp/mcp-use-supabase-mcp-server-r3o862)
commit: 3efeaf08248bdaa78f8b50994cb14880074fb475
code hash: ee5bffb3ac6c8cb6a934057dbe45af4b8dabefc02d75f2cf3db429c4824ec0e8
verified: 7/19/2026, 9:00:05 AM
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