5 actions ready for your AI

Connect LanguageTool to your AI

Add your LanguageTool key once and every AI you use can get words, post words and get languages through it.

Needs your API keyWorks today: paste the key from this app and your AI can use it. One-click sign-in is not built yet.

Not verified by us yet. Its actions come from LanguageTool's own documented API, and we have not run them here yet.

Use your own LanguageTool account. Credentials stay encrypted in ahel.

Tell me when ahel has verified LanguageTool

What your AI can do with LanguageTool

Choose a task and ask your AI.

Word

  • Get wordsGET

    List words in dictionaries

    usernamerequired
    Your username as used to log in at languagetool.org.
    offset
    Offset of where to start in the list of words.
    limit
    Maximum number of words to return.
    dicts
    Comma-separated list of dictionaries to include words from; uses special default dictionary if this is unset
  • Post words addPOST

    Add word to a dictionary

    wordrequired
    The word to be added.
    usernamerequired
    Your username as used to log in at languagetool.org.
    dict
    Name of the dictionary to add the word to; non-existent dictionaries are created after calling this; if unset, adds to special default dictionary
  • Post words deletePOST

    Remove word from a dictionary

    wordrequired
    The word to be removed.
    usernamerequired
    Your username as used to log in at languagetool.org.
    dict
    Name of the dictionary to remove the word from; if the dictionary is empty upon calling this, it is deleted; if unset, removes from special default dictionary

Check

  • Post checkPOST

    Check a text

    languagerequired
    A language code like en-US, de-DE, fr, or auto to guess the language automatically (see preferredVariants below).
    text
    The text to be checked.
    data
    The text to be checked, given as a JSON document that specifies what's text and what's markup.
    username
    Set to get Premium API access: Your username/email as used to log in at languagetool.org.

Language

  • Get languagesGET

    Get a list of supported languages.

Ask your AI

Try one of these requests with a connected AI.

  • Show me the word in LanguageTool
  • Post a word in LanguageTool
  • Show me the language in LanguageTool

LanguageTool MCP server, hosted by ahel

One hosted endpoint serves LanguageTool. There is nothing to install and no local server to run.

Connect LanguageTool to Claude, Claude Code, Cursor or Codex

  1. Add your LanguageTool key. ahel stores it encrypted.
  2. Paste one link into your AI: https://mcp.ahel.ai (once, for every app).
  3. Ask for the work. Your AI picks the action and ahel runs it with your key.

Documentation

About LanguageTool

LanguageTool is a productivity service. Connect your own key and your AI can get words, post words and get languages.

LanguageTool over MCP: ahel serves LanguageTool to Claude, Claude Code, Cursor and Codex as one hosted MCP endpoint. There is no local server to run. Add your LanguageTool key once, paste one link into your AI, and the actions above are there.

Productivity

Questions

Is my LanguageTool key safe?

Your LanguageTool key is sealed in ahel and added to the request server-side when your AI calls LanguageTool. It never crosses the MCP link, no tool can read it back, and you can turn the app off or remove the key at any time.

Which AIs can use LanguageTool through ahel?

Any MCP-capable AI: Claude, Claude Code, Codex, Cursor, VS Code and others. Paste one link, https://mcp.ahel.ai, into the AI once and everything in your gateway arrives through it.

What can my AI do with LanguageTool?

5 actions today, covering words, checks and languages. Ask in plain language; your AI picks the action and ahel runs it with your key.

Does connecting LanguageTool cost anything?

Connecting apps is free during ahel's early access. Free, Pro and Team all cost nothing today, and the pricing page lists what each one includes. LanguageTool may bill you for API use under its own terms.