tickermint for ChatGPT

io.github.seankarltonlee/tickermint

Trading card prices: daily TCGplayer market, history since 2024, sold comps, PSA 10 floors. 6 games.

client:ChatGPT transport:streamable-http tools:11

Install tickermint in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.tickermint.cards/mcp

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