---
title: "Changes to POST /api/mcp/probe"
method: POST
path: "/api/mcp/probe"
---

# Changes to POST /api/mcp/probe

`POST /api/mcp/probe`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 17 revisions.

- **2026-09-03** `6387e4c0e03a`: 1 info
- **2026-08-30** `03ae66214fb3`: 3 info
- **2026-08-29** `97a522c951f2`: 1 info
- **2026-08-28** `1e1ddf571b49`: 1 info

## Changes

- **2026-09-03** `6387e4c0e03a`: 1 info
  - added the optional property `retryable` to the response with the `500` status
- **2026-08-30** `03ae66214fb3`: 3 info
  - added the optional property `anyOf[#/components/schemas/McpToolDiscoveryError]/modernContractViolation` to the response with the `400` status
  - added the optional property `anyOf[#/components/schemas/McpToolDiscoveryError]/reauthorizationRequired` to the response with the `400` status
  - added the optional property `versionNegotiation` to the response with the `200` status
- **2026-08-29** `97a522c951f2`: 1 info
  - added the optional property `anyOf[#/components/schemas/McpToolDiscoveryError]/timedOut` to the response with the `400` status
- **2026-08-28** `1e1ddf571b49`: 1 info
  - added the optional property `anyOf[#/components/schemas/McpConnectionError]/failureKind` to the response with the `400` status

---

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