ToolLens: open-source Rust MCP gateway exposes 3 tools to agents across 2,468 indexed tools
LoquatAccording5061 · reddit · 2026-11-05
Open-source Rust project ToolLens is an MCP gateway tackling context bloat when agents face thousands of tools.
- Agents see only 3 tools: discovertools, inspecttool, invoketool
- Behind the gateway: 2,468 tools from 110 MCP servers, indexed, dependency-mapped, and policy-checked
- Result: an agent works across 2,468 tools while seeing fewer than 10
Source: github.com/krishnashakula/toollens
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