---
title: "Start an OAuth flow. Redirects to the provider."
method: GET
path: "/api/mcp-oauth/{mcpServerId}/authorize"
tags: ["MCP OAuth"]
---

# Start an OAuth flow. Redirects to the provider.

`GET /api/mcp-oauth/{mcpServerId}/authorize`

## Path parameters

- `mcpServerId` string, required

## Query parameters

- `redirect` string
- `userId` string
- `scopes` string

## Other responses

- `302` — Redirect to authorization server
- `400` — MCP has no URL / does not require OAuth
- `404` — MCP server not found

## Changes

- **2026-08-07** `06cac6a7c5bc` — 2 info
  - added the media type `application/json` for the response with the status `400`
  - added the media type `application/json` for the response with the status `404`

[Change history](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/changes/api/mcp-oauth/:mcpServerId/authorize/get.md)

---

[API](https://skmtc.dev/desplega-ai/apis/agent-swarm-api.md) · [All operations](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/desplega-ai/agent-swarm-api/revisions/8cde933218b5/schema)