MCP OAuth Connect
MCP serverSecurityCheck that your AI can connect: this is a minimal connection that responds to a ping and nothing else. Once added, your AI in claude.ai, Desktop, Cursor, or Grok Connectors can send a ping and get a reply, confirming the link is live. It does not provide any other abilities.
Available today. Use it from your connected AI after setup.
No other account needed.
After adding it, ask your AI to send a ping. If a response comes back, the connection is working.
Then ask your AI: use MCP OAuth Connect
What your AI can do with it
- Send a ping and get a response back
- Confirm the connection is live from claude.ai
- Test the connection from Desktop
- Check that Cursor can reach it
- Verify it works from Grok Connectors
From the project's README
As published by gfb2026/mcp-oauth-connect in README.md.
Free checker for when an MCP remote answers curl but dies in Claude / Cursor / Desktop / Grok Connectors.
Part of GFB's lab surface. Founder / peer identity (companies run with agents): gregfredabytes.com · essay · what I run
The free checker reads metadata. It does not finish a handshake (no DCR, no token, no tools/list). That gap is real — treat a fail as a scoping signal, not a dead end.
Optional paid attach lab (four-client attempt + written path) lives on the studio product page, not here: https://gfbytes.com/products/mcp-oauth-connect/
On that page you can also paste a public HTTPS MCP URL and hit Check (POST /products/diagnose).
Install (free)
Claude Code:
/plugin marketplace add GFB2026/mcp-oauth-connect
/plugin install mcp-oauth-connect@mcp-oauth-connect
Grok Build:
grok plugin marketplace add GFB2026/mcp-oauth-connect
grok plugin install mcp-oauth-connect --trust
Then:
python skills/mcp-oauth-connect/scripts/diagnose.py https://your-mcp.example
Looks for a proper login challenge (not a bare 200 from curl), a registration endpoint, and S256. Paste only the URL in the Connectors UI — no API key.
template/
Public ping-only example behind https://mcp.gfbytes.com (MIT). Reference server, not a service SKU.
License
MIT for the plugin, skill, diagnose script, tests, and template/. Studio attach-lab / fix-round services are separate offers on gfbytes.com.
Signals
- Last commit
- Sep 2026
Advanced
- Delivery
- mcp-oauth-connect MCP server → your ahel gateway (mcp.ahel.ai) → every connected AI client.
- Catalog kind
- mcp-server
- Gateway key
com-gfbytes-mcp-oauth-connect- Source
- github.com/gfb2026/mcp-oauth-connect
- Hosted endpoint
https://mcp.gfbytes.com/mcp