Crowdin MCP by usefulapi

io.usefulapi/crowdin

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

Yes, your AI can use this right now.Answered a live MCP handshake in 262 ms with no sign-in needed and exposes 12 tools.

Connect it

Settings → Connectors → Add custom connector
URL: https://crowdin.usefulapi.io/mcp

12 tools, verified live

Pulled straight from the server with tools/list on 2026-10-18.
crowdin_list_projectsread-only

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

crowdin_get_projectread-only

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

crowdin_list_filesread-only

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

crowdin_list_branchesread-only

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

crowdin_list_directoriesread-only

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

crowdin_list_stringsread-only

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

crowdin_get_language_progressread-only

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

crowdin_list_tasksread-only

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

crowdin_list_membersread-only

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

crowdin_list_supported_languagesread-only

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

crowdin_add_stringcan modify

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

crowdin_add_translationcan modify

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

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