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docs: FTW Cloud now accepts Cursor's desktop OAuth callback #2

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frahlg-agents merged 1 commit into from
Oct 26, 2026
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docs: FTW Cloud now accepts Cursor's desktop OAuth callback #2

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9 changes: 6 additions & 3 deletions docs/SUBMISSION.md
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Expand Up @@ -27,12 +27,15 @@ Sourceful does not use it to train AI models).
## Sign-in for each assistant

FTW Cloud accepts redirect URIs that use https, or http to localhost, 127.0.0.1 or ::1 on any
port. It refuses custom schemes such as `cursor://`.
port, plus exactly one custom-scheme URI: Cursor's `cursor://anysphere.cursor-mcp/oauth/callback`
(byte for byte, since srcfl/ftw-cloud#53). It refuses every other custom scheme. PKCE S256 is
required for all of them.

- Claude (web, desktop, mobile): `https://claude.ai/api/mcp/auth_callback`. Accepted.
- Claude Code and Codex CLI: a loopback address. Accepted.
- ChatGPT: https callbacks on chatgpt.com. Accepted; the 1.3.0 review used them.
- Grok Bot and Cursor's cloud agents: `https://www.cursor.com/agents/mcp/oauth/callback`. Accepted
if that is the URI they register.
- Cursor desktop: if it registers `cursor://anysphere.cursor-mcp/oauth/callback`, FTW Cloud refuses
the registration. Test in a real Grok Bot and in Cursor desktop before submitting.
- Cursor desktop: `cursor://anysphere.cursor-mcp/oauth/callback`. Accepted. The consent page shows it
as a program on this computer and asks the owner to approve only if they started it. Test in a
real Grok Bot and in Cursor desktop before submitting.
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