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mcp/harbor
Claude Desktop

Orca MCP Server for Claude Desktop

io.github.jascal/orca-mcp-server

Go from natural language to verified finite state machines — topology bugs caught before code runs.

client:Claude Desktop transport:stdio runtime:npm

Install Orca MCP Server in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "orca-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@orcalang/orca-mcp-server"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "<ANTHROPIC_API_KEY>",
        "ORCA_PROVIDER": "<ORCA_PROVIDER>",
        "ORCA_MODEL": "<ORCA_MODEL>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

Orca MCP Server in other clients

Orca MCP Server MCP server