LanguageTool
LanguageTool · AI
Grammar, style and spell checking in 30+ languages: checks and personal dictionaries
The client pastes their API key from LanguageTool's settings. We store it encrypted.
Tested against LanguageTool's live API.
Tools
Every tool your agent gets for LanguageTool. Select one to see its inputs and an example call.
- Loading every tool…
Building with LanguageTool? The docs have setup steps and code for every tool.
Open the LanguageTool docsAny other endpoint
The request tool calls any LanguageTool endpoint the tools above don't cover, with the client's access attached.
Base URL for request
https://api.languagetoolplus.com/v2
request
HTTPS ANY /v1/clients/{clientId}/languagetool/{path}
Any endpoint of LanguageTool's own API, with the client's access attached.
- servicestringrequired
- This service: languagetool
- methodstringrequired
- GET, POST, PUT, PATCH or DELETE
- pathstringrequired
- The path under https://api.languagetoolplus.com/v2
- queryobjectoptional
- Query parameters
- bodyobjectoptional
- A JSON body
Over MCP every tool also takes client_id, from list_clients. Over HTTPS send it as clientId to https://api.operate.as/v1.
What the client approves
- Use the LanguageTool key you paste, with only the access you gave that key
Get started
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