Independent developer in Hamburg, building open-data and Nextcloud infrastructure.
- I run InfraNode: a free, keyless open-data REST API and MCP server covering 84+ German cities
- I build Nextcloud apps: Findling, zero-config full text, OCR and semantic search, and the MCP Connector, both in the App Store; together they form the retrieval layer for your own RAG
- I care about clean licensing: every InfraNode response carries per-record license and attribution
- How to reach me: admin@infranode.dev
| Project | What it is |
|---|---|
| InfraNode | Free, keyless open-data REST API + MCP server for 84+ German cities: weather, air quality, transit with realtime departures, traffic, electricity prices, land values, parking, charging, water levels, rooftop solar and more. Apache-2.0. |
| InfraNode MCP | Remote MCP server with 12 read-only tools over 64 data kinds, ready for Claude, Cursor and other AI agents. No key, no account. |
| Nextcloud MCP Connector | Curated MCP server for Nextcloud: files, calendar, notes, deck and contacts as read-first tools. Never deletes, overwrites or re-shares. In the Nextcloud App Store. |
| Findling | Zero-config full text, OCR and semantic search for Nextcloud. Permission-aware by construction. In the Nextcloud App Store. |
| infranode-python / infranode-js | Keyless API clients with LangChain, LlamaIndex and Vercel AI SDK tools. |
# Try it, no key needed:
curl https://infranode.dev/api/v1/cities/koeln/weather
