SchemaPilot MCP
Read-only PostgreSQL schema metadata server for AI coding agents, providing table/column details, relationships, and markdown export via MCP protocol.
README
SchemaPilot MCP
MCP server for PostgreSQL schema metadata — read-only, local-first, AI-coding-agent ready.
Features
- Read-only PostgreSQL introspection (no writes, no arbitrary SQL)
- MCP protocol (Model Context Protocol) for AI coding agents
- Schema/table/column metadata with PK/FK/index details
- Explicit cache refresh (
sync_schema) - Markdown documentation export (deterministic)
- Schema allowlist + max table/column limits
- Secret redaction in logs
Quick Start
pip install -e .
# Configure
cp schemapilot.yaml.example schemapilot.yaml
# Edit with your PostgreSQL credentials
schemapilot
MCP Tools
| Tool | Description |
|---|---|
list_schemas |
List available schemas |
list_tables |
List tables with column counts |
describe_table |
Full table details |
get_relationships |
FK relationship graph |
export_schema |
Markdown documentation |
sync_schema |
Refresh schema cache |
Configuration
postgres:
host: localhost
port: 5432
database: mydb
user: app
password: secret
schema_allowlist:
- public
- app
max_tables: 100
max_columns: 500
cache_ttl_seconds: 300
License
MIT
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