---
title: "Legacy MCP transport — POST JSON-RPC messages"
method: POST
path: "/mcp/messages"
tags: ["mcp"]
---

# Legacy MCP transport — POST JSON-RPC messages

`POST /mcp/messages`

## Request

- Base URL: `http://127.0.0.1:3822`
- URL: `http://127.0.0.1:3822/mcp/messages`
- Auth: none required

## Response `200`

JSON-RPC response

---

[API](https://skmtc.dev/srift/apis/srift-api.md) · [All operations](https://skmtc.dev/srift/apis/srift-api/llms.txt) · [OpenAPI document](https://skmtc.dev/srift/apis/srift-api/revisions/efe3ae285f45?raw)