---
title: "Call an MCP tool on a connected executor"
method: POST
path: "/api/connectors/envs/{name}/tool/call"
tags: ["Connectors"]
---

# Call an MCP tool on a connected executor

`POST /api/connectors/envs/{name}/tool/call`

## Path parameters

- `name` string, required

## Request body

- SdkConnectorToolCallRequest
  - `arguments` object
  - `tool` string

## Response `200`

OK

- ToolsMCPCallToolResult
  - `content` ToolsMCPToolContent[]
    - `text` string
    - `type` string
  - `isError` boolean
  - `structuredContent` object

## Other responses

- `400` — bad_request | unknown_tool | bad_arguments
- `401` — missing or invalid bearer token
- `500` — workspace_init | tool_error

## Changes

> 20 revisions in range; 1 could not be searched.

- **2026-05-23** `adc9c56fe2cb` — 1 info
  - endpoint added
- **2026-05-22** `1ba39f384b63` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/agentserver/apis/agentserver-api/changes/api/connectors/envs/:name/tool/call/post.md)

---

[API](https://skmtc.dev/agentserver/apis/agentserver-api.md) · [All operations](https://skmtc.dev/agentserver/apis/agentserver-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agentserver/agentserver-api/revisions/e8c329825b4e/schema)