MCP ServerSTDIOOfficialv0.1.24

Orca MCP Server MCP Server

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

io.github.jascal/orca-mcp-server

Hosted URL

https://github.com/jascal/orca-lang

Transport

STDIO

Auth

No auth required

Connect to Orca MCP Server

Hosted endpoint — paste into any MCP client.

https://github.com/jascal/orca-lang

Environment variables

Configuration this server reads at startup.

  • ANTHROPIC_API_KEYSecret

    Anthropic API key for LLM-powered tools (generate_machine, generate_multi_machine, refine_machine, generate_actions with use_llm). Not required for parse_machine, verify_machine, compile_machine, or server_status.

  • ORCA_PROVIDER

    LLM provider to use: anthropic (default), openai, grok, or ollama.

  • ORCA_MODEL

    Model name to use for LLM tools. Defaults to claude-sonnet-4-6 for Anthropic.

Resources

Where to find authoritative docs and source for Orca MCP Server.

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