Supabase MCP
Supabase's official MCP server provides AI agents with direct access to manage Supabase projects including PostgreSQL databases, authentication, storage, and edge functions.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Uses Supabase PAT for management operations. Same security considerations as supabase-mcp-server. Service Role Key bypasses RLS entirely — use with caution in agent contexts.
⚡ Reliability
Best When
An agent needs to interact with a Supabase-hosted PostgreSQL project, especially for schema management, data querying, or managing Supabase-specific features like Auth and Storage.
Avoid When
You are not using Supabase, or you need to manage a non-Supabase PostgreSQL database.
Use Cases
- • Running SQL queries against Supabase PostgreSQL databases from agents
- • Managing database schema changes including table and column operations
- • Interacting with Supabase Auth for user management automation
- • Querying and managing Supabase Storage buckets and files
- • Creating and deploying Supabase Edge Functions via agents
Not For
- • Non-Supabase PostgreSQL databases (use direct pg drivers instead)
- • Extremely high-throughput transactional workloads
- • Teams requiring on-premise deployment
- • Projects needing proprietary database features (use RDS/Cloud SQL)
Interface
Authentication
Supabase personal access token (PAT) for MCP server auth. Project-specific anon and service_role keys for client SDK. Service role key grants full database access — handle carefully.
Pricing
Very generous free tier. Pro plan needed for production workloads with higher limits. Paused projects after 1 week inactivity on free tier.
Agent Metadata
Known Gotchas
- ⚠ Free tier projects pause after 1 week of inactivity — first request after pause has cold start
- ⚠ Service role key bypasses Row Level Security — agents using it have full unfiltered access
- ⚠ MCP server requires npx to run — adds Node.js dependency
- ⚠ Database branch management (multiple environments) requires Pro plan
- ⚠ Storage file operations return URLs that expire — agents must handle URL refresh
- ⚠ Edge functions require Deno runtime knowledge — different from Node.js
Alternatives
Full Evaluation Report
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Scores are editorial opinions as of 2026-03-07.