# Customjs MCP

Vendor: Customjs  
Category: developer-tools  
Auth: API_KEY  
Composio slug: `customjs`

CustomJS is a code-first automation platform that enables seamless integration of custom JavaScript logic into various systems and technologies, allowing users to extend applications by writing functions for tasks like sending emails, generating PDFs, or updating CRM data fields.

## Setup

1. Create or open a Switchy Space.
2. Open Integrations and connect Customjs.
3. Authorise through api_key.
4. Teammates can now @-mention Customjs tools in chat.

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Last verified: 2026-04-23T23:46:29.618Z  
Canonical URL: https://switchy.build/mcps/customjs