Direct answer
To connect, sign in to BookWriter, enable Developer mode under ChatGPT Settings → Security and login, create a BookWriter app under Settings → Plugins with the curated MCP endpoint, complete OAuth, and test the read-only “List my BookWriter books” prompt before attempting a save.
Step by step
The reliable workflow
- 1
Confirm access
Open the Steering Connect activation page in the same browser and sign in to your existing BookWriter account.
- 2
Add the app
Enable Developer mode under ChatGPT Settings → Security and login. Then open Settings → Plugins, select the plus button, and paste the curated BookWriter endpoint ending in /api/mcp/chatgpt/v1.
- 3
Authorize
Approve read access first; writing and publishing actions request their documented scopes.
- 4
Verify
Enable BookWriter in a new chat and ask “List my BookWriter books.” The response should show only your projects and compact status.
Permissions in plain language
Read access lists owned projects and status. Write access creates plans and saves chapters. Publish access prepares metadata and explicitly approved publication snapshots.
A successful connection
ChatGPT can list BookWriter tools, read the ten app-card resources, and return a compact bookshelf card. No raw database IDs or manuscript excerpts should appear.
If authorization loops
Open ChatGPT Settings → Plugins, reconnect or remove the stale BookWriter developer app, return to the Steering Connect activation page, and complete OAuth again. Do not repeatedly approve a window that points to a different BookWriter origin.
Frequently asked
Why start with a read-only prompt?
It verifies identity, audience, scopes, and resource loading without changing book state.
Keep going
Continue the connected writing workflow.
Canonical URL: https://www.bookwriter.vip/mcp/guide/chatgpt-app-setup · Updated July 15, 2026