Katto MCP Server

by miracleweaselio.github.miracleweasel/katto-mcpv0.5.9

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Active5d ago

Install Katto MCP server

claude mcp add katto -e KATTO_API_KEY='<katto-api-key>' -- npx -y katto-mcp

{
  "mcpServers": {
    "katto": {
      "command": "npx",
      "args": [
        "-y",
        "katto-mcp"
      ],
      "env": {
        "KATTO_API_KEY": "<katto-api-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "katto": {
      "command": "npx",
      "args": [
        "-y",
        "katto-mcp"
      ],
      "env": {
        "KATTO_API_KEY": "<katto-api-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "katto": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "katto-mcp"
      ],
      "env": {
        "KATTO_API_KEY": "<katto-api-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "katto": {
      "command": "npx",
      "args": [
        "-y",
        "katto-mcp"
      ],
      "env": {
        "KATTO_API_KEY": "<katto-api-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
KATTO_API_KEY	yes	yes	Katto API key, created at https://katto.tech/dashboard/api-keys

Freshness

Active — last maintenance signal 5d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-05 · 5d ago · GitHub
Latest release
2026-09-30 · 10d ago · GitHub · v0.5.9
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v0.5.9

FAQ

›How do I install the Katto MCP server in Claude Code?

Run: claude mcp add katto -e KATTO_API_KEY='<katto-api-key>' -- npx -y katto-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Katto require an API key?

Yes. It expects KATTO_API_KEY, of which 1 is a secret.

›Can I use Katto as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Katto in the official MCP registry?

Yes, as io.github.miracleweasel/katto-mcp.