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PostgreSQL

Query and inspect PostgreSQL databases via natural language.

Setup: 3 minLow complexityTop MCPs for Databases →

What it does

Connects to a PostgreSQL database and exposes schema inspection, table listing, and query execution capabilities to AI models.

Why it matters

Database access is one of the most requested AI capabilities. This MCP provides it safely, with schema context that improves query quality.

Best for

  • Database schema exploration
  • SQL query generation
  • Data analysis
  • Debugging query results
  • Documentation generation

Not ideal for

  • Write or mutation operations
  • MySQL or SQLite databases
  • High-latency remote databases

When to use it

When you want the AI to explore your database schema, write queries, debug SQL, or retrieve records for analysis.

When not to use it

When you need write/mutation access (this is read-only by design) or when using non-Postgres databases.

Key features

  • PostgreSQL connection via connection string
  • Schema and table inspection
  • Read-only query execution
  • Official Anthropic support
  • Connection pooling support

Frequently asked questions

Is it safe to connect to a production database?

Use a read-only database user. Never give the MCP write permissions to production data.

Does it support schema inspection?

Yes. It can list tables, describe column types, and show indexes and constraints.

Can I use it with Supabase?

Yes. Use your Supabase connection string with the postgres MCP.

Install

Install PostgreSQL
$ npx -y @modelcontextprotocol/server-postgres postgresql://user:pass@localhost/db

Scores

Ease of setup
5/5
Flexibility
3/5
Popularity
5/5
Agent useful
5/5
Builder speed
4/5

Details

Pricing
open source
Setup time
3 min
Complexity
Low

Works with

ClaudeCursorAny MCP-compatible clientPostgreSQL 12+
View on GitHub

Alternatives

  • SQLite →

    Local SQLite database access with full read/write support.

  • Supabase →

    Full Supabase access: database, auth, storage, and edge functions.

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