Overwing MCP Server

by frod27ai.overwing/mcpv0.12.0

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Active8d ago

Install Overwing MCP server

claude mcp add overwing -e OVERWING_API_KEY='<overwing-api-key>' -e OVERWING_AGENT_KEY='<overwing-agent-key>' -- npx -y overwing-mcp

{
  "mcpServers": {
    "overwing": {
      "command": "npx",
      "args": [
        "-y",
        "overwing-mcp"
      ],
      "env": {
        "OVERWING_API_KEY": "<overwing-api-key>",
        "OVERWING_AGENT_KEY": "<overwing-agent-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "overwing": {
      "command": "npx",
      "args": [
        "-y",
        "overwing-mcp"
      ],
      "env": {
        "OVERWING_API_KEY": "<overwing-api-key>",
        "OVERWING_AGENT_KEY": "<overwing-agent-key>"
      }
    }
  }
}

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

{
  "servers": {
    "overwing": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "overwing-mcp"
      ],
      "env": {
        "OVERWING_API_KEY": "<overwing-api-key>",
        "OVERWING_AGENT_KEY": "<overwing-agent-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "overwing": {
      "command": "npx",
      "args": [
        "-y",
        "overwing-mcp"
      ],
      "env": {
        "OVERWING_API_KEY": "<overwing-api-key>",
        "OVERWING_AGENT_KEY": "<overwing-agent-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
OVERWING_API_KEY	—	yes	Overwing organization key (ow_live_...). Optional: evaluate and atlas_lookup work without it, 10 a day each. Needed for higher limits, rule sets and Tower setup. Get one at https://overwing.ai/login or POST https://overwing.ai/api/v1/signup
OVERWING_AGENT_KEY	—	yes	Optional Overwing Tower agent key (ow_agent_...). Without it, the tower_create_agent tool mints one for the session
OVERWING_BASE_URL	—	—	Override the API base URL for self-hosted deployments (default https://overwing.ai)

Remote endpoints

streamable-httphttps://overwing.ai/mcp

Freshness

Active — last maintenance signal 8d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-02 · 8d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-02 · 8d ago · official registry · v0.12.0

FAQ

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

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

›Does Overwing require an API key?

Yes. It expects OVERWING_API_KEY, OVERWING_AGENT_KEY, of which 2 are secrets.

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

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Overwing in the official MCP registry?

Yes, as ai.overwing/mcp.