Quarterwise MCP by usefulapi for ChatGPT

io.usefulapi/quarterwise

Read properties, HMRC categories and transactions; add income and expenses in Quarterwise.

client:ChatGPT transport:streamable-http tools:5

Install Quarterwise MCP by usefulapi in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://quarterwise.usefulapi.io/mcp

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