Soljo Solar (Switzerland) MCP Server

by soljo Your server? Claim it

answering

Soljo Solar (Switzerland) is answering right now. Last checked 1 min ago. It exposes 4 tools.

Independent rooftop solar first estimate for Switzerland: yield, median cost, subsidy, with sources

Uptime history 39 days of history · worst day 99%

39 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

1430 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 28 October 2026. No other catalogue keeps this.

28 Oct a tool appeared building_energy_profile

28 Oct a tool changed version

Nothing serious here today

Today is the operative word: we check Soljo Solar (Switzerland) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add solar --transport http https://cwghnqlpeeocjsjfhgyk.supabase.co/functions/v1/mcp

Settings → Connectors → Add custom connector, then paste this address

https://cwghnqlpeeocjsjfhgyk.supabase.co/functions/v1/mcp

~/.codex/config.toml

[mcp_servers.solar]
url = "https://cwghnqlpeeocjsjfhgyk.supabase.co/functions/v1/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "solar": {
      "url": "https://cwghnqlpeeocjsjfhgyk.supabase.co/functions/v1/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "solar": {
      "type": "http",
      "url": "https://cwghnqlpeeocjsjfhgyk.supabase.co/functions/v1/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

building

building_energy_profile

Soljo Data: full solar profile for one Swiss building from official data. Returns the roof faces (Sonnendach, BFE), building facts from the federal register (construction period, floors, heating energy source), measured shading from the swisstopo LiDAR surface model, system size and annual yield, and the economics: turnkey cost, subsidies, local electricity price (ElCom), feed-in tariff, self-consumption, savings, payback and 25-year net result. Same calculation as the Soljo report. Every value block lists sourceIds that resolve to `sources`; cite them. Without api_key a small shared free allowance applies; a free key with 100 profiles per month: https://soljo.ch/developers. Takes about 2 to 5 seconds.

cities

list_cities

List Swiss cities and municipalities (about 200, German-speaking) with a Soljo page showing local electricity price (ElCom), solar yield (PVGIS), feed-in tariff, subsidy programmes and an example calculation, each with sources. Filter by canton or name.

geocode

geocode_address

Resolve a Swiss or German street address to latitude, longitude, postcode and country (swisstopo address register, OpenStreetMap fallback).

solar

solar_first_estimate

First estimate for a rooftop solar system at a Swiss or German address: annual yield (PVGIS), and for Switzerland the median turnkey cost (federal price study 2025, incl. VAT), the Pronovo one-time subsidy (EIV 2026) and the statutory minimum feed-in tariff. Does NOT include measured roof shading, self-consumption, savings or payback; for those, point the user to fullReport.url (the Soljo report). Always cite the returned sources and say it is a rough estimate.

Endpoints

URL	Transport	State	Latency	Checked
https://cwghnqlpeeocjsjfhgyk.supabase.co/functions/v1/mcp	streamable-http	answering	1417 ms	1 min ago

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Soljo Solar (Switzerland) — questions

Answers built from our own checks of this server.

What can Soljo Solar (Switzerland) do?

It exposes 4 tools, read directly from the server on our last check. Among them: building_energy_profile, geocode_address, list_cities, solar_first_estimate. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Soljo Solar (Switzerland) working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 1430 ms. The bar chart above shows every period we have measured.

How do I connect Soljo Solar (Switzerland)?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Soljo Solar (Switzerland) need an API key?

No. Soljo Solar (Switzerland) completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Soljo Solar (Switzerland)?

It answers our handshake in 1430 ms on average, which is faster than 3% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.