---
title: "Changes to JSON-RPC 2.0 endpoint for the gateway's MCP server"
method: POST
path: "/mcp"
---

# Changes to JSON-RPC 2.0 endpoint for the gateway's MCP server

`POST /mcp`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 77 revisions.

- **2026-09-24** `a31ede1097b1` — 4 breaking, 4 info
- **2026-09-24** `b12d4368f3a8` — 1 info

## Changes

- **2026-09-24** `a31ede1097b1` — 4 breaking, 4 info
  - added the new required `header` request parameter `MCP-Protocol-Version`
  - added the new required `header` request parameter `Mcp-Method`
  - removed the enum value `initialize` of the request property `method`
  - removed the enum value `notifications/initialized` of the request property `method`
  - added the new optional `header` request parameter `Mcp-Name`
  - added the new `server/discover` enum value to the request property `method`
  - added the non-success response with the status `400`
  - added the non-success response with the status `404`
- **2026-09-24** `b12d4368f3a8` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/inference-gateway/apis/inference-gateway-api/docs/mcp/post.md) · [API](https://skmtc.dev/inference-gateway/apis/inference-gateway-api.md) · [Page](https://skmtc.dev/inference-gateway/apis/inference-gateway-api/changes/mcp/post)