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ACR — Agent Composition Records

io.github.TethralAI/acr · v2.1.1

Interaction profile registry for AI agents. Log interactions, query behavioral lenses.

Connect Runs on your machine

Terminal
claude mcp add acr -e ACR_API_URL=<ACR_API_URL> -- npx -y @tethral/[email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "acr": {
      "command": "npx",
      "args": [
        "-y",
        "@tethral/[email protected]"
      ],
      "env": {
        "ACR_API_URL": "<ACR_API_URL>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "acr": {
      "command": "npx",
      "args": [
        "-y",
        "@tethral/[email protected]"
      ],
      "env": {
        "ACR_API_URL": "<ACR_API_URL>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "acr": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@tethral/[email protected]"
      ],
      "env": {
        "ACR_API_URL": "<ACR_API_URL>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
ACR_API_URL
Optional
ACR API endpoint. Defaults to https://acr.nfkey.ai

Details

Package@tethral/[email protected] (NPM, stdio)
First published14 Apr 2026
Last updated14 Apr 2026
Registry nameio.github.TethralAI/acr

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