OpenChainBench for ChatGPT

io.github.flotapponnier/openchainbench

Live, neutral benchmarks for public RPC latency, oracles, bridges, perp DEX, and prediction markets.

client:ChatGPT transport:streamable-http tools:3

Install OpenChainBench in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://openchainbench.com/api/mcp/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs