How to connect SimpleLocalize to Claude Cowork

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks. This guide walks you through the easiest and most secure way to connect your SimpleLocalize account to Cowork via Composio Connect, enabling it to list missing French translation keys, export English translations as JSON, create Spanish language for project, and more such actions on your behalf without compromising your account security.

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SimpleLocalize is a translation management platform for localization keys, translations, languages, imports, exports, and hosted environments. It helps teams ship multilingual apps faster with clean translation workflows and project-wide language control.

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Introduction

Cowork is Anthropic's AI agent for knowledge work. Think of it as Claude Code for everything else. It works autonomously with your computer, local files, and applications to accomplish complex tasks.

This guide walks you through the easiest and most secure way to connect your SimpleLocalize account to Cowork via Composio Connect, enabling it to list missing French translation keys, export English translations as JSON, create Spanish language for project, and more such actions on your behalf without compromising your account security.

Also integrate SimpleLocalize with

OpenAI Agents SDKClaude Agent SDKClaude CodeCodexOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Connecting SimpleLocalize to Claude Cowork

1. Open Customize

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

2. Add the Composio MCP server

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

3. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Cowork

4. Connect your SimpleLocalize account

Back in Cowork, ask the agent to connect to SimpleLocalize or give it any SimpleLocalize-related task.

For example, ask Cowork to:

  • "List missing French translation keys"
  • "Export English translations as JSON"
  • "Create Spanish language for project"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Cowork, and your SimpleLocalize account is ready to use.

What is Claude Cowork?

Claude Cowork is Anthropic's agent for general knowledge work. It can use your computer, files, and connected applications to complete longer-running tasks across your work tools.

With Composio Connect, Cowork can securely access apps like SimpleLocalize through MCP without you sharing account credentials directly with the agent.

What is the SimpleLocalize MCP server, and what's possible with it?

The SimpleLocalize MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your SimpleLocalize account. It provides structured and secure access to your localization projects, so your agent can manage translation keys, update translations, organize tags, export content, and review project activity on your behalf.

  • Translation key management: Have your agent create, find, inspect, or permanently delete translation keys and their associated translations.
  • Translation updates: Instruct your agent to search translations and set text or review status for one or many languages.
  • Project organization: Let the agent create or delete tags and check available languages, tags, and hosting environments before making changes.
  • Translation exports: Direct your agent to review supported file formats and export a current snapshot of your translations in the format you need.
  • Activity review: Have your agent retrieve recent project changes so you can monitor localization work and investigate updates.
TOOLS

Supported Tools

Every SimpleLocalize action and event your agent gets out of the box.

Create Tag

Create a project tag for organizing translation keys.

Create Translation Key

Create one translation key and optional metadata in the connected project.

Create Translation Keys

Create up to 100 translation keys and report every rejected entry; valid entries may still be created when others fail.

Delete Tag

Permanently delete one project tag by its exact name.

Delete Translation Key

Permanently delete one translation key, including all translations attached to it, by exact key and namespace.

Export Translations

Create downloadable snapshot URLs for project translations in a selected file format.

Get Project Context

Return the connected project and its current languages, tags, and hosting environments so an agent can choose valid identifiers before managing translations.

Get Translation Key

Return full metadata for one translation key selected by key and namespace.

List Activity

Return a manually selected page of recent project changes for operational visibility.

List File Formats

Return the file formats currently accepted by SimpleLocalize exports, including multi-language, beta, and deprecation metadata.

List Translation Keys

Search translation keys and return one controllable page of provider summary fields.

List Translations

Search translations by key, language, text, review state, or namespace and return one page.

Set Translation

Set the text and optional review state for one existing translation key and language.

Set Translations

Set 1 to 100 translations in one request.

FRAMEWORKS

How to build SimpleLocalize MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use SimpleLocalize MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use SimpleLocalize MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use SimpleLocalize MCP with Claude Code

Codex logo

Codex

Use SimpleLocalize MCP with Codex

OpenClaw logo

OpenClaw

Use SimpleLocalize MCP with OpenClaw

Hermes logo

Hermes

Use SimpleLocalize MCP with Hermes

CLI logo

CLI

Use SimpleLocalize MCP with CLI

Google ADK logo

Google ADK

Use SimpleLocalize MCP with Google ADK

LangChain logo

LangChain

Use SimpleLocalize MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use SimpleLocalize MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use SimpleLocalize MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use SimpleLocalize MCP with LlamaIndex

CrewAI logo

CrewAI

Use SimpleLocalize MCP with CrewAI

FAQ

Frequently asked questions

With a standalone SimpleLocalize MCP server, the agents and LLMs can only access a fixed set of SimpleLocalize tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from SimpleLocalize and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right SimpleLocalize tools.

Yes, absolutely. You can configure which SimpleLocalize scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your SimpleLocalize data and credentials are handled as safely as possible.

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A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

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