Connections
Deny a request to connect an agent
Records that you said no to a sign-in link, so it cannot be approved afterwards, and answers with the MCP server callback that tells the agent.
POST
/user/mcp/denyTL;DR
| Question | Answer |
|---|---|
| What does it do? | Deny a request to connect an agent. |
| What does it take? | A JSON body of type DenyConnectionBody. |
| What does it return? | Status 200 with a body of type Denial. |
| What can go wrong? | 400 the request is malformed, has expired (mcp.request_expired), or was not signed by the MCP server (mcp.request_invalid); 401 not signed in; 403 the request came from an origin that may not make changes; 409 the sign-in link was already approved or denied (mcp.request_used); 429 too many requests; 503 connecting an agent is not set up on this server. Every failure uses the one error envelope. |
What it does
Records that you said no to a sign-in link, so it cannot be approved afterwards, and answers with the MCP server callback that tells the agent. Nothing is made. A link already approved or denied is 409 mcp.request_used.
Request body
The body has the type DenyConnectionBody.
| Field | Type | Required | Description |
|---|---|---|---|
request | string | yes | The signed authorization request, exactly as the MCP server put it in the address. at least 1 character; at most 6144 characters. |
Responses
| Status | Meaning | Body |
|---|---|---|
| 200 | Denied. | Denial |
| 400 | The request is malformed, has expired (mcp.request_expired), or was not signed by the MCP server (mcp.request_invalid). | ErrorResponse |
| 401 | Not signed in. | ErrorResponse |
| 403 | The request came from an origin that may not make changes. | ErrorResponse |
| 409 | The sign-in link was already approved or denied (mcp.request_used). | ErrorResponse |
| 429 | Too many requests. | ErrorResponse |
| 503 | Connecting an agent is not set up on this server. | ErrorResponse |
Response body
A 200 answer has the type Denial.
| Field | Type | Required | Description |
|---|---|---|---|
redirectTo | string | yes | Where to send the browser: the MCP server callback with the request and error=access_denied attached. |
See also
| Doc | Why |
|---|---|
| API reference | Every endpoint, and the error envelope |
| Schemas | Every request and response type |
| Tool reference | The operations as callable tools |