Supabase

Item: Supabase
Rating: 55
Author: M8ven

Enables Claude and other LLMs to interact with Supabase databases and Edge Functions through a secure API for performing CRUD operations and invoking custom payloads without requiring integration code.

→ cappahccino/sb-mcp· npm: supabase-mcp· 75K installs· listed on pulsemcp

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 3 credentials: MCP_API_KEY, SUPABASE_ANON_KEY, SUPABASE_SERVICE_ROLE_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies3 high2 low

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

high@modelcontextprotocol/sdk@1.7.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.7.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highbody-parser@1.20.2GHSA-qwcr-r2fm-qrc7

body-parser vulnerable to denial of service when url encoding is enabled

lowexpress@4.18.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

lowexpress@4.18.2GHSA-rv95-896h-c2vc

Express.js Open Redirect in malformed URLs

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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.

🔐 secretMCP_API_KEY— your_secret_api_key

configMCP_SERVER_HOST

configMCP_SERVER_PORT— The HTTP server attempts to find an available port automatically. You can manually specify a different port in your .env file by changing the value.

🔐 secretSUPABASE_ANON_KEY— your_supabase_anon_key

🔐 secretSUPABASE_SERVICE_ROLE_KEY— your_supabase_service_role_key

configSUPABASE_URL— your_supabase_project_url

// 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 6 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/supabase-mcp-1pi643)](https://m8ven.ai/mcp/supabase-mcp-1pi643)

commit: eff6c4beb6a7272731bc89c3825cabe8339023da

code hash: f4ed13525588a82f898594418848d088119f96cb4bd2f84a5a002d9af6ee8b99

verified: 6/16/2026, 11:40:22 AM

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