Experimental MCP proxy for filtering large tool lists using hybrid semantic and keyword retrieval
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# shutup-mcp > Experimental MCP tool-list filtering proxy for large tool catalogs. `shutup-mcp` sits between an MCP client and one or more MCP servers. It aggregates tool definitions and exposes only the top-k tools that match the current intent. This repository is an **alpha implementation seed**. It is useful for experimenting with tool-list compression, but it is not yet a full production MCP gateway. --- ## What It Does - Reads a Claude Desktop-style MCP config. - Discovers configured MCP servers. - Fetches and prefixes upstream tools. - Builds a hybrid retrieval index over tool names and descriptions. - Filters `tools/list` results using: - explicit CLI intent; - a runtime `shutup__set_intent` tool; - fallback behavior when no intent is known. - Routes `tools/call` to the correct upstream server. - Supports local embedding backends: - `sentence-transformers`; - `ollama`. --- ## What It Does Not Yet Do This alpha does not yet provide: - full MCP request proxying for every capability; - persistent upstream sessions for every server; - guaranteed client-side dynamic intent detection across all MCP clients; - production authentication or sandboxing; - benchmark-backed token or latency claims. Earlier README versions included strong reduction metrics. Those are removed until reproducible benchmarks are added. --- ## Install ```bash pip install shutup-mcp ``` For local development: ```bash pip install -e ".[dev]" ``` --- ## CLI Usage ### One-shot tool filtering ```bash shutup \ --config ~/Library/Application\ Support/Claude/claude_desktop_config.json \ --intent "read and write local files" \ --top-k 5 ``` This prints a JSON array of filtered tool definitions. ### Run as MCP proxy ```bash shutup \ --config ~/Library/Application\ Support/Claude/claude_desktop_config.json \ --intent "work with GitHub issues" \ --serve \ --top-k 5 ``` If `--intent` is supplied, `tools/list` returns only top-k tools matching that intent. I…
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