FabTally Decode for ChatGPT
io.github.zvmzaretsky/onchain-decode
Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.
client:ChatGPT
transport:streamable-http
tools:4
Install FabTally Decode in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://decode.fabtally.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs