CostBench for ChatGPT

com.costbench/mcp

Verified pricing, hidden costs, negotiation data, price changes & TCO for 3,390+ software products.

client:ChatGPT transport:streamable-http tools:9

Install CostBench in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://costbench.com/mcp

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