About AdaptiveAPI
AdaptiveAPI is an MCP server in the Browser category: drop-in proxy to make any MCP server, LLM and any HTTP+JSON API speak multiple languages easily. Powered by DeepL..and it can do way more!.
Install
git clone https://github.com/DeeJayTC/AdaptiveAPIThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
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README
AdaptiveAPI
Drop-in multilingual proxy for LLMs, MCP servers, and any HTTP+JSON API.
Most popular LLMs are trained predominantly on English: ask the same question in German or Japanese and the answer is measurably worse than in English, on the same model, for the same money. AdaptiveAPI sits between your app and the vendor so the LLM keeps seeing English while your user keeps seeing their language. JSON shapes, code blocks, URLs, tool schemas, and streaming deltas survive the round trip.
Change your SDK's base URL from api.openai.com / api.anthropic.com / your
MCP server to AdaptiveAPI. That's it.
Links
Quick start
git clone https://github.com/DeeJayTC/AdaptiveAPI.git
cd AdaptiveAPI/deploy
cp .env.example .env
docker compose up --build
- API: http://localhost:8080 (health at
/healthz) - Admin UI: http://localhost:8000
See the docs for SDK usage, MCP setup, configuration, deployment, and everything else.
License
GNU Affero General Public License v3.0.
Copyright © 2026 Tim Cadenbach. AdaptiveApi.Core links against the
DeepL .NET SDK (MIT) and other
permissively-licensed dependencies listed in the project files.
README copy captured when this server was indexed; it may lag the repository. The original is authoritative.