---
title: "Invoke a tool on an MCP script connection"
method: POST
path: "/api/script-connections/{id}/mcp-call"
tags: ["Script Connections"]
---

# Invoke a tool on an MCP script connection

`POST /api/script-connections/{id}/mcp-call`

## Path parameters

- `id` string, uuid, required

## Request body

- object
  - `tool` string, required
  - `arguments` object

## Response `200`

MCP call result

## Other responses

- `400` — Invalid MCP connection or request
- `403` — Not allowed to invoke this MCP connection
- `404` — Script connection or agent not found

## Changes

- **2026-07-09** `4f56890cc278` — 1 info
  - endpoint added
- **2026-07-02** `0c910612f9ac` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/changes/api/script-connections/:id/mcp-call/post.md)

---

[API](https://skmtc.dev/desplega-ai/apis/agent-swarm-api.md) · [All operations](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/llms.txt) · [OpenAPI document](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/revisions/4f62e32be8ec?raw)