LocalFree server, account needed

Agent Toolbelt MCP server

marras0914/agent-toolbelt

Utility API tools for agents: schema generation, text extraction, token counting, regex and cron building, prompt optimization, web summarization and more.

1 GitHub stars241 npm downloads / month
Source code

Install Agent Toolbelt in Claude Code

Claude Code
claude mcp add agent-toolbelt -e AGENT_TOOLBELT_KEY=... -- npx -y agent-toolbelt-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "agent-toolbelt": {
      "command": "npx",
      "args": [
        "-y",
        "agent-toolbelt-mcp"
      ],
      "env": {
        "AGENT_TOOLBELT_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Agent Toolbelt MCP server do?

Utility API tools for agents: schema generation, text extraction, token counting, regex and cron building, prompt optimization, web summarization and more.

Is the Agent Toolbelt MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Agent Toolbelt run locally or remotely?

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

How do I add Agent Toolbelt to Claude Code?

Run: claude mcp add agent-toolbelt -e AGENT_TOOLBELT_KEY=... -- npx -y agent-toolbelt-mcp

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