---
title: "Register a public MCP OAuth client."
method: POST
path: "/mcp/oauth/register"
tags: ["MCP OAuth"]
---

# Register a public MCP OAuth client.

`POST /mcp/oauth/register`

## Request

- Base URL: `https://api.traxy.ai/api/v1`
- URL: `https://api.traxy.ai/api/v1/mcp/oauth/register`
- Auth: none required
- TypeScript: <https://skmtc.dev/windmill-growth/apis/traxy-customer-api-and-mcp-v1/docs/mcp/oauth/register/post.ts> (a function with typed inputs; its response is checked against the schema)

Dynamic Client Registration for public clients. Redirect URIs must be safe loopback URIs or explicitly allowlisted HTTPS origins.

## Request body

- McpOAuthClientRegistrationRequest
  - `client_name` string
  - `redirect_uris` string[], required
  - `grant_types` string[]
  - `response_types` string[]
  - `scope` string: Space-separated OAuth scopes.
  - `token_endpoint_auth_method` 'none'

## Response `201`

Registered public client metadata.

- McpOAuthClientRegistrationResponse
  - `client_id` string, required
  - `client_name` string, required
  - `redirect_uris` string[], required
  - `grant_types` string[], required
  - `response_types` string[], required
  - `token_endpoint_auth_method` 'none', required
  - `scope` string, required

## Other responses

- `400`: Request failed boundary validation.

## Changes

- **2026-07-13** `e60dfaf3c445`: 1 breaking
  - request property `scope` list-of-types was narrowed by removing types `array` from media type `application/json`

[Operation history](https://skmtc.dev/windmill-growth/apis/traxy-customer-api-and-mcp-v1/changes/mcp/oauth/register/post.md)

---

[API](https://skmtc.dev/windmill-growth/apis/traxy-customer-api-and-mcp-v1.md) - [All operations](https://skmtc.dev/windmill-growth/apis/traxy-customer-api-and-mcp-v1/llms.txt) - [OpenAPI document](https://skmtc.dev/windmill-growth/apis/traxy-customer-api-and-mcp-v1/revisions/765b1a6a3abd?raw)