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Connect a client

Package orientation and server setup.

mcplite mcplite-package
mcplite: Lightweight stdio MCP server for R
mcp_server()
Run an MCP server for R tools over stdio

Write tools

Describe functions and their input and output schemas.

Return results

Construct results and look up exact serialization rules.

tool_result()
Construct protocol-native MCP tool results
content_text() content_image() content_audio() content_resource_link() content_resource()
Construct protocol-native MCP content blocks
mcplite-results
Return-value mappings and payload JSON options