NP Ledger for ChatGPT
com.npledger/np-ledger
Nonprofit fund accounting your AI agent helps you run — read the books and post entries.
client:ChatGPT
transport:streamable-http
Install NP Ledger in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.npledger.com/v1/Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs