Crowdin MCP Server

by usefulapi Your server? Claim it

answering

Crowdin is answering right now. Last checked 15 min ago. It exposes 12 tools. Last commit 1 Sep 2026.

MCP server for Crowdin — projects, files, strings, translation progress, tasks, and members.

Uptime history 47 days of history · worst day 15%

47 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

174 ms

Response time

average over 24h

Stars

last commit 1 Sep 2026

Nothing serious here today

Today is the operative word: we check Crowdin every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add crowdin --transport http https://crowdin.usefulapi.io/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "crowdin": {
      "url": "https://crowdin.usefulapi.io/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.crowdin]
url = "https://crowdin.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "crowdin": {
      "url": "https://crowdin.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "crowdin": {
      "url": "https://crowdin.usefulapi.io/mcp"
    }
  }
}

Available tools 12

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

crowdin

crowdin_add_string

Adds a source string to a file in a Crowdin project (additive). Crowdin API: POST /projects/{projectId}/strings.

crowdin_add_translation

Adds a translation for a source string in a target language (additive). Crowdin API: POST /projects/{projectId}/translations.

crowdin_get_language_progress

Per-target-language translation & approval completion percentages for a project — the headline localization status. Crowdin API: GET /projects/{projectId}/languages/progress.

crowdin_get_project

Get a single project's details by id (settings, languages, counts). Crowdin API: GET /projects/{projectId}.

crowdin_list_branches

List version branches in a project (id, name, title). Crowdin API: GET /projects/{projectId}/branches.

crowdin_list_directories

List directories (folders) in a project (id, name, path). Crowdin API: GET /projects/{projectId}/directories.

crowdin_list_files

List source files in a project (id, name, path, type, status). Crowdin API: GET /projects/{projectId}/files.

crowdin_list_members

List members of a project (id, username, role, permissions). Crowdin API: GET /projects/{projectId}/members.

crowdin_list_projects

List projects the token can access (id, name, sourceLanguageId, targetLanguageIds). Good first call to discover project ids. Crowdin API: GET /projects.

crowdin_list_strings

List source strings in a project (id, text, identifier, context). Crowdin API: GET /projects/{projectId}/strings.

crowdin_list_supported_languages

Crowdin's catalog of supported languages (id, name, locale, twoLettersCode). Crowdin API: GET /languages.

crowdin_list_tasks

List translation/proofreading tasks in a project (id, title, status, assignees). Crowdin API: GET /projects/{projectId}/tasks.

Endpoints

URL	Transport	State	Latency	Checked
https://crowdin.usefulapi.io/mcp	streamable-http	answering	50 ms	15 min ago

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Crowdin — questions

Answers built from our own checks of this server.

What can Crowdin do?

It exposes 12 tools, read directly from the server on our last check. Among them: crowdin_add_string, crowdin_add_translation, crowdin_get_language_progress, crowdin_get_project, crowdin_list_branches, crowdin_list_directories and 6 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Crowdin working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 174 ms. The bar chart above shows every period we have measured.

How do I connect Crowdin?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Crowdin need an API key?

No. Crowdin completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 12 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Crowdin?

It answers our handshake in 174 ms on average, which is faster than 71% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Crowdin open source?

Yes — it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.