Run MCP server with stdio transport — pr_mcp

Creates an MCP server that communicates via standard input/output (stdio). This is the standard transport for MCP clients like Claude Desktop, mcp-cli, etc.

Usage

pr_mcp_stdio(
  pr,
  include_endpoints = NULL,
  exclude_endpoints = NULL,
  server_name = "plumber-mcp",
  server_version = "0.2.0",
  debug = FALSE
)

Arguments

pr: A Plumber router object
include_endpoints: Character vector of endpoints to include as MCP tools (NULL for all)
exclude_endpoints: Character vector of endpoints to exclude from MCP tools
server_name: Name of the MCP server
server_version: Version of the MCP server
debug: Logical, whether to write debug messages to stderr

Value

This function runs until interrupted and doesn't return

Examples

if (FALSE) { # \dontrun{
# Create a Plumber API and run as MCP stdio server
pr <- plumb("api.R")
pr_mcp_stdio(pr)
} # }