ChargeGuard Dispute Assistant for ChatGPT

com.trychargeguard/chargeguard

Chargeback intelligence: 9 card-network reason codes, winning evidence, gateway deadlines. Free.

client:ChatGPT transport:streamable-http tools:4

Install ChargeGuard Dispute Assistant in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://www.trychargeguard.com/mcp

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