---
title: "Authorize Post"
method: POST
path: "/mcp/authorize"
tags: ["MCP OAuth"]
---

# Authorize Post

`POST /mcp/authorize`

Exchange a Firebase ID token for an authorization code (PKCE flow).

## Request body

- AuthorizeRequest
  - `firebase_token` string, required
  - `redirect_uri` string, required
  - `state` string
  - `response_type` string
  - `code_challenge` string
  - `code_challenge_method` string
  - `timezone` string

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/neosapien/apis/neocore.md) · [All operations](https://skmtc.dev/neosapien/apis/neocore/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/neosapien/neocore/revisions/8b94ef58f2cf/schema)