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Yggdrasil

One shared, durable memory for your AI coding agents — local-first, zero-dependency.

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★ 21 stars Last pushed 2026-09-03 License: AGPL-3.0

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Review any command before running it. Package names and URLs come from the server's own registry entry.

Package (pypi 0.15.0)

uvx yggdrasil-memory

Or add to your MCP client config:

{
  "mcpServers": {
    "yggdrasil": {
      "command": "uvx",
      "args": [
        "yggdrasil-memory"
      ],
      "env": {
        "YGG_ENGINE_URL": "<YOUR_VALUE>",
        "YGG_ENGINE_TOKEN": "<YOUR_VALUE>"
      }
    }
  }
}

YGG_ENGINE_URL — Base URL of the Yggdrasil engine HTTP API.
YGG_ENGINE_TOKEN secret — Bearer token for authenticating to the Yggdrasil engine (from ~/.yggdrasil/token after `ygg install`).

This server takes extra arguments — see its repository.