# SimpleLocalize

```json
{
  "name": "SimpleLocalize",
  "slug": "simple_localize",
  "url": "https://composio.dev/toolkits/simple_localize",
  "markdown_url": "https://composio.dev/toolkits/simple_localize.md",
  "logo_url": "https://logos.composio.dev/api/simplelocalize",
  "categories": [
    "developer tools & devops"
  ],
  "is_composio_managed": false,
  "updated_at": "2026-08-20T15:34:07.947Z"
}
```

![SimpleLocalize logo](https://logos.composio.dev/api/simplelocalize)

## Description

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with SimpleLocalize MCP or direct API to manage localization keys, update translations, list languages, import files, and export translation data through natural language.

## Summary

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.

## Categories

- developer tools & devops

## Toolkit Details

- Tools: 14

## Images

- Logo: https://logos.composio.dev/api/simplelocalize

## Authentication

- **Api Key**
  - Type: `api_key`
  - Description: Api Key authentication for SimpleLocalize.
  - Setup:
    - Configure Api Key credentials for SimpleLocalize.
    - Use the credentials when creating an auth config in Composio.

## Suggested Prompts

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

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `SIMPLE_LOCALIZE_CREATE_TAG` | Create Tag | Create a project tag for organizing translation keys. |
| `SIMPLE_LOCALIZE_CREATE_TRANSLATION_KEY` | Create Translation Key | Create one translation key and optional metadata in the connected project. |
| `SIMPLE_LOCALIZE_CREATE_TRANSLATION_KEYS` | Create Translation Keys | Create up to 100 translation keys and report every rejected entry; valid entries may still be created when others fail. |
| `SIMPLE_LOCALIZE_DELETE_TAG` | Delete Tag | Permanently delete one project tag by its exact name. This destructive action cannot be undone. |
| `SIMPLE_LOCALIZE_DELETE_TRANSLATION_KEY` | Delete Translation Key | Permanently delete one translation key, including all translations attached to it, by exact key and namespace. WARNING: This destructive action cannot be undone. |
| `SIMPLE_LOCALIZE_EXPORT_TRANSLATIONS` | Export Translations | Create downloadable snapshot URLs for project translations in a selected file format. Returns URLs without downloading file bytes. |
| `SIMPLE_LOCALIZE_GET_PROJECT_CONTEXT` | 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. |
| `SIMPLE_LOCALIZE_GET_TRANSLATION_KEY` | Get Translation Key | Return full metadata for one translation key selected by key and namespace. |
| `SIMPLE_LOCALIZE_LIST_ACTIVITY` | List Activity | Return a manually selected page of recent project changes for operational visibility. |
| `SIMPLE_LOCALIZE_LIST_FILE_FORMATS` | List File Formats | Return the file formats currently accepted by SimpleLocalize exports, including multi-language, beta, and deprecation metadata. |
| `SIMPLE_LOCALIZE_LIST_TRANSLATION_KEYS` | List Translation Keys | Search translation keys and return one controllable page of provider summary fields. Use Get Translation Key for detailed metadata such as tags. |
| `SIMPLE_LOCALIZE_LIST_TRANSLATIONS` | List Translations | Search translations by key, language, text, review state, or namespace and return one page. |
| `SIMPLE_LOCALIZE_SET_TRANSLATION` | Set Translation | Set the text and optional review state for one existing translation key and language. |
| `SIMPLE_LOCALIZE_SET_TRANSLATIONS` | Set Translations | Set 1 to 100 translations in one request. Reports each rejected entry and distinguishes complete success from partial success. |

## Supported Triggers

None listed.

## Installation and MCP Setup

### Path 1: SDK Installation

#### Path 1, Step 1: Install Composio

Install the Composio SDK
```python
pip install composio_openai
```

```typescript
npm install @composio/openai
```

#### Path 1, Step 2: Initialize Composio and Create Tool Router Session

Import and initialize Composio client, then create a Tool Router session
```python
from openai import OpenAI
from composio import Composio
from composio_openai import OpenAIResponsesProvider

composio = Composio(provider=OpenAIResponsesProvider())
openai = OpenAI()
session = composio.create(user_id='your-user-id')
```

```typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
```

#### Path 1, Step 3: Execute SimpleLocalize Tools via Tool Router with Your Agent

Get tools from Tool Router session and execute SimpleLocalize actions with your Agent
```python
tools = session.tools
response = openai.responses.create(
  model='gpt-4.1',
  tools=tools,
  input=[{
    'role': 'user',
    'content': 'List all languages configured in my SimpleLocalize project'
  }]
)
result = composio.provider.handle_tool_calls(
  response=response,
  user_id='your-user-id'
)
print(result)
```

```typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'List all languages configured in my SimpleLocalize project'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
```

### Path 2: MCP Server Setup

#### Path 2, Step 1: Install Composio

Install the Composio SDK for Python or TypeScript
```python
pip install composio claude-agent-sdk
```

```typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
```

#### Path 2, Step 2: Initialize Client and Create Tool Router Session

Import and initialize the Composio client, then create a Tool Router session for SimpleLocalize
```python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
```

```typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);
```

#### Path 2, Step 3: Connect to AI Agent

Use the MCP server with your AI agent (Anthropic Claude or Mastra)
```python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to SimpleLocalize tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Export English translations from SimpleLocalize as JSON')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
```

```typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.mcp.url,
    headers: {
      'x-api-key': 'your-composio-api-key',
    },
  },
});

const tools = await client.tools();
const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{
    role: 'user',
    content: 'Export English translations from SimpleLocalize as JSON'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
```

## Why Use Composio?

### 1. AI Native SimpleLocalize Integration

- Supports both SimpleLocalize MCP and direct API based integrations
- Structured, LLM-friendly schemas for reliable localization tool execution
- Rich coverage for managing keys, translations, languages, imports, exports, and hosted environments

### 2. Managed Auth

- Secure API key handling without hard-coding SimpleLocalize credentials in your agent code
- Central place to manage, scope, and revoke SimpleLocalize access
- Per user and per environment credentials, so dev, staging, and production stay cleanly separated

### 3. Agent Optimized Design

- Tools are shaped so language models can understand SimpleLocalize actions and call them with the right inputs
- Execution logs help you see which translation keys, languages, imports, or exports were touched
- Built for real agent workflows where small localization updates need to be safe, repeatable, and easy to review

### 4. Enterprise Grade Security

- Fine-grained RBAC so you control which agents and users can access SimpleLocalize
- Scoped, least privilege access to SimpleLocalize localization projects and resources
- Full audit trail of agent actions to support release reviews and compliance checks

## Use SimpleLocalize with any AI Agent Framework

Choose a framework you want to connect SimpleLocalize with:

None listed.

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## Frequently Asked Questions

### Do I need my own developer credentials to use SimpleLocalize with Composio?

Yes, SimpleLocalize requires you to configure your own API key. Once set up, Composio handles secure credential storage and API request handling for you.

### Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. [Learn more](https://docs.composio.dev/tool-router/overview).

### Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. [Learn more](https://trust.composio.dev).

### What if the API changes?

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

---
[See all toolkits](https://composio.dev/toolkits) · [Composio docs](https://docs.composio.dev/llms.txt)