---
title: "Changes to Manually run a tool from an External MCP Connection"
method: POST
path: "/v1/mcp-connections/{connectionId}/tools/call"
---

# Changes to Manually run a tool from an External MCP Connection

`POST /v1/mcp-connections/{connectionId}/tools/call`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 27 revisions.

- **2026-08-20** `93df40e2efd5` — 1 info

## Changes

- **2026-08-20** `93df40e2efd5` — 1 info
  - removed the pattern `^emc_.*` from the `path` request parameter `connectionId`

---

[Operation](https://skmtc.dev/openworklabs/apis/den-api/docs/v1/mcp-connections/:connectionId/tools/call/post.md) · [API](https://skmtc.dev/openworklabs/apis/den-api.md) · [Page](https://skmtc.dev/openworklabs/apis/den-api/changes/v1/mcp-connections/:connectionId/tools/call/post)