PolyMCP – AI-Callable Python and TS Tools with Inspector and Apps

Show HN: PolyMCP – AI-Callable Python and TS Tools with Inspector and Apps

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I built PolyMCP, an open-source framework around the Model Context Protocol (MCP) that lets you turn any existing Python function into an MCP tool usable by AI agents — with no rewrites, no glue code, no custom wrappers.Over the last weeks, PolyMCP has grown into a small ecosystem: • PolyMCP (core) – expose Python functions as MCP tools • PolyMCP Inspector – visual UI to explore, test, and debug MCP servers • PolyMCP MCP SDK Apps – build MCP-powered apps with tools + UI resources⸻1) Turn any Python function into an MCP toolBasic example:from polymcp import expose_tools_httpdef add(a: int, b: int) -> int: """Add two numbers""" return a + bapp = expose_tools_http( tools=[add], title="Math Tool

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