CantYet the registry of what AI can't do — yet

Connect MCP

Supported clients connect with OAuth — paste the endpoint URL and approve in your browser. No token needed.

ClaudeOAuth

Open your client's connector settings

Open Settings, then Connectors, then add a custom connector.

Paste these into the settings

Paste the endpoint URL. Your client should open a browser consent screen and handle authorization for you. No token is required. Your browser will open a consent screen.

MCP endpoint
https://mcp.cantyet.ai/mcp
For clients without OAuth support

Only for clients that can't open a browser consent flow.

Create a PAT

Sign in

Say this to your AI

After the assistant runs the test, Last MCP access below should change to a timestamp.

Add this to CantYet: my AI couldn't keep the invoice tax lines separate.
ChatGPTOAuth

Open your client's connector settings

Open Settings, then Connectors in developer mode, then create a new MCP connection.

Paste these into the settings

Paste the endpoint URL. Your client should open a browser consent screen and handle authorization for you. No token is required. Your browser will open a consent screen.

MCP endpoint
https://mcp.cantyet.ai/mcp
For clients without OAuth support

Only for clients that can't open a browser consent flow.

Create a PAT

Sign in

Say this to your AI

After the assistant runs the test, Last MCP access below should change to a timestamp.

Add this to CantYet: my AI couldn't keep the invoice tax lines separate.
Agent CLI (Codex / Claude Code, etc.)OAuth

Open your client's connector settings

Open the agent CLI session where you want CantYet available.

Paste this to the agent

Paste this as-is into the agent, and it can continue from setup to browser consent.

Connect to the CantYet MCP server via OAuth. Endpoint: https://mcp.cantyet.ai/mcp
Reference command syntax
claude mcp add --transport http cantyet https://mcp.cantyet.ai/mcp
codex mcp add cantyet --url https://mcp.cantyet.ai/mcp

Say this to your AI

After the assistant runs the test, Last MCP access below should change to a timestamp.

Add this to CantYet: my AI couldn't keep the invoice tax lines separate.
Other MCP clientsOAuth

Open your client's connector settings

Open the MCP or custom connector settings in your client.

Paste these into the settings

Paste the endpoint URL. Your client should open a browser consent screen and handle authorization for you. No token is required. Your browser will open a consent screen.

MCP endpoint
https://mcp.cantyet.ai/mcp
For clients without OAuth support

Only for clients that can't open a browser consent flow.

Create a PAT

Sign in

Say this to your AI

After the assistant runs the test, Last MCP access below should change to a timestamp.

Add this to CantYet: my AI couldn't keep the invoice tax lines separate.
Last MCP access not connected yet

If posting fails after a feature update, disconnect CantYet from your client once and reconnect it.