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MCP ServerSTDIOOfficialv0.21.2

Cairn MCP Server

Persistent memory for AI agents and humans. Store, search, and discover patterns.

io.github.jasondostal/cairn-mcp

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Hosted URL

https://github.com/jasondostal/cairn-mcp

Transport

STDIO

Auth

2 required env vars

Connect to Cairn

Hosted endpoint — paste into any MCP client.

https://github.com/jasondostal/cairn-mcp

Environment variables

Configuration this server reads at startup.

  • CAIRN_DB_HOSTRequired

    PostgreSQL host (pgvector)

  • CAIRN_DB_PASSRequiredSecret

    PostgreSQL password

  • CAIRN_TRANSPORT

    Transport mode: stdio or http

  • CAIRN_LLM_BACKEND

    LLM backend for enrichment: bedrock or ollama

Resources

Where to find authoritative docs and source for Cairn.

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