ExMCP.Transport.Stdio (ex_mcp v0.10.0)

This module implements the standard MCP specification.

stdio transport implementation for MCP.

This transport communicates with MCP servers over standard input/output, typically by spawning a subprocess. This is one of the two official MCP transports defined in the specification.

Options

:command - Command and arguments to spawn (required)
:cd - Working directory for the process
:env - Environment variables as a list of {"KEY", "VALUE"} tuples

Example

{:ok, client} = ExMCP.Client.start_link(
  transport: :stdio,
  command: ["node", "my-mcp-server.js"],
  cd: "/path/to/server",
  env: [{"NODE_ENV", "production"}]
)

Summary

Functions

recv(state, timeout \\ 5000)

send(state, message)

subscribe(pid, state)

Subscribe to receive transport events (push model).

Functions

recv(state, timeout \\ 5000)