LocalFree

unerr MCP server

unerr-ai/unerr-cli

Operational memory for AI agents: code graph, session memory & guardrails. No context rot.

Source code

Install unerr in Claude Code

Claude Code
claude mcp add unerr -- npx -y @unerr-ai/unerr
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "unerr": {
      "command": "npx",
      "args": [
        "-y",
        "@unerr-ai/unerr"
      ]
    }
  }
}

Frequently asked questions

What does the unerr MCP server do?

Operational memory for AI agents: code graph, session memory & guardrails. No context rot.

Is the unerr MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does unerr run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add unerr to Claude Code?

Run: claude mcp add unerr -- npx -y @unerr-ai/unerr

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