Open-Source Harness Router Uses MCTS to Guide Agent Tool Selection

A developer open-sourced harness-router, a framework-agnostic MCP tool router that adds a decision layer using MCTS before execution, saving tokens and speeding up agents instead of dumping all tool definitions onto the LLM.

2026-09-26 ~ 2026-09-28 · 2 related posts

• Dev builds harness-router: MCP tool routing with Jev and Monte Carlo Tree Search — Revolutionary_Sir140 · 2026-09-26
• Harness Router: an open-source decision layer that routes agent tool calls with MCTS — Revolutionary_Sir140 · 2026-09-28