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Cairn Index

FreeMaintained

Local hybrid index (FTS5 + vector embeddings + AST graph) over a single sqlite file. Curate, ingest, retrieve.

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Local hybrid index (FTS5 + vector embeddings + AST graph) over a single sqlite file. Curate, ingest, retrieve.

Install Cairn Index in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE
unyly install cairn-index

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add cairn-index -- npx -y cairn-index

Step-by-step: how to install Cairn Index

FAQ

Is Cairn Index MCP free?

Yes, Cairn Index MCP is free — one-click install via Unyly at no cost.

Does Cairn Index need an API key?

No, Cairn Index runs without API keys or environment variables.

Is Cairn Index hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Cairn Index in Claude Desktop, Claude Code or Cursor?

Open Cairn Index on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

Changes

Versions and requested access over time.

  • New version published
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  • New version published

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