Orca MCP Server for Claude Code

io.github.jascal/orca-mcp-server

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

client:Claude Code transport:stdio runtime:npm

Install Orca MCP Server in Claude Code

run in your project directory

claude mcp add orca-mcp-server -e ANTHROPIC_API_KEY=<ANTHROPIC_API_KEY> -e ORCA_PROVIDER=<ORCA_PROVIDER> -e ORCA_MODEL=<ORCA_MODEL> -- npx -y @orcalang/orca-mcp-server

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

Orca MCP Server in other clients

Claude Desktop
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VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
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Orca MCP Server MCP server