NEWS

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mcpr 0.0.2

• Added support for ellmer::tool
• Added MCP roclet for automatic server generation:
  • New @mcp tag for marking functions as MCP tools
  • New @type tag for specifying parameter types (string, number, boolean, array, object, enum)
  • mcp_roclet() function integrates with roxygen2 to generate complete MCP servers
  • Automatically creates inst/mcp_server.R with tool definitions and handlers
  • Supports all standard JSON Schema types and enum values

mcpr 0.0.1

Major Changes

• Added comprehensive client support for interacting with MCP servers:
  • new_client() for creating client connections to both local process and HTTP servers
  • initialize() for initializing client connections
  • tools_list() and tools_call() for discovering and using server tools
  • prompts_list() and prompts_get() for working with server prompts
  • resources_list() and resources_read() for accessing server resources
• Renamed new_mcp() (deprecated) to new_server() for clarity
• Added example implementations for both server and client
• Added client usage vignette
• Fix major issue with serve_http()

mcpr 0.0.0

• Initial CRAN submission.