---
title: "Changes to Send an MCP JSON-RPC 2.0 request"
method: POST
path: "/mcp/v1"
---

# Changes to Send an MCP JSON-RPC 2.0 request

`POST /mcp/v1`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 9 revisions.

- **2026-08-17** `ec8a028d6dca`: 10 info

## Changes

- **2026-08-17** `ec8a028d6dca`: 10 info
  - added the new optional `header` request parameter `Accept`
  - added the new optional `header` request parameter `MCP-Protocol-Version`
  - added the new optional `header` request parameter `Mcp-Method`
  - added the new optional `header` request parameter `Mcp-Name`
  - added the new `pgedge/listDatabases` enum value to the request property `method`
  - added the new `pgedge/selectDatabase` enum value to the request property `method`
  - added the new `ping` enum value to the request property `method`
  - 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`

---

[Operation](https://skmtc.dev/pgedge/apis/pgedge-postgres-mcp-server-api/docs/mcp/v1/post.md) - [API](https://skmtc.dev/pgedge/apis/pgedge-postgres-mcp-server-api.md) - [Page](https://skmtc.dev/pgedge/apis/pgedge-postgres-mcp-server-api/changes/mcp/v1/post)