Tool Wars, Protocol Peace: What MCP‑AgentBench Really Measures
A procurement team does not buy an AI agent because it can recite the word “interoperability” with theatrical confidence. It buys the agent because the thing can use tools, collect data, combine results, and stop before it bankrupts the token budget. That is the useful way to read MCP-AgentBench, a new benchmark for evaluating language agents inside the Model Context Protocol ecosystem.1 The paper is not just another leaderboard with a fresh coat of protocol paint. Its more interesting result is harsher: MCP gives agents a common integration layer, but it does not make them competent tool users. Compatibility is plumbing. Competence is orchestration. ...