fronius

fronius is a skill for Claude Code from HybridAIOne/hybridclaw. It costs 34 tokens per session (3,219 once invoked), scanned A, original, MIT.

A read-only connection for monitoring Fronius photovoltaic inverters, which convert solar-panel electricity for household use. It can read local inverter data or information from Fronius Solar.web without exposing access keys.

In plain words
What is it for?
Use it to read live production, consumption, grid, battery, meter, storage, and account data, and to check whether a local inverter is reachable.
Why use it?
It lets an operator check solar production and related energy flows while restricting requests to supported monitoring operations.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter.

Good fit Use it to read live production, consumption, grid, battery, meter, storage, and account data, and to check whether a local inverter is reachable.

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Install with agentmods
npx agentmods add skills/hybridaione/hybridclaw/fronius
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add HybridAIOne/hybridclaw --skill fronius
Clone the repo
git clone --depth 1 https://github.com/HybridAIOne/hybridclaw

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for fronius

README.md
[![agentmods](https://agentmods.dev/badge/skills/hybridaione/hybridclaw/fronius/github.svg)](https://agentmods.dev/skills/hybridaione/hybridclaw/fronius)
Your own site
<a href="https://agentmods.dev/skills/hybridaione/hybridclaw/fronius"><img src="https://agentmods.dev/badge/skills/hybridaione/hybridclaw/fronius/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for fronius

Your own site · 80×15
<a href="https://agentmods.dev/skills/hybridaione/hybridclaw/fronius"><img src="https://agentmods.dev/badge/skills/hybridaione/hybridclaw/fronius.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,219 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00034 $0.03219
Opus 5 $0.00017 $0.01610
Sonnet 5 $0.00007 $0.00644
Haiku 4.5 $0.00003 $0.00322

Measured 10d ago against content hash 810253fbf456, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

fronius scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (fronius.cjs), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/fronius/SKILL.md · 282 lines

How it starts

The opening of the file, as written. The whole thing — 282 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fronius

Use this skill for operator-approved Fronius photovoltaic monitoring: local inverter reads through Fronius Solar API V1 and cloud reads through Solar.web Query API. This v1 skill covers read-only monitoring for inverters, meters, storage, OhmPilot, and Solar.web account data.

Core Contract

  • Run supported operations through skills/fronius/fronius.cjs; the helper is the source of truth for Fronius URLs, Solar.web headers, endpoint bounds, and response-shape metadata.
  • For the common "what is my solar doing now?" local LAN query, use the helper local-summary command. It performs the bounded local Solar API reads and returns normalized live production, consumption, grid, battery, meter, and storage fields.
  • For live API calls, run the helper to build the request, then pass the emitted httpRequest object unchanged to the built-in http_request tool.
  • Use local-health through the helper and http_request for local reachability checks.
  • The helper emits only allowlisted endpoint shapes. It rejects arbitrary path passthrough and command-line secret values.
  • Treat the inverter LAN base URL as plain local configuration. Use --local-host http://<fronius-ip> when the operator provides it, or use the configured FRONIUS_LOCAL_HOST environment value.
  • Solar.web Query API authentication uses AccessKeyId and AccessKeyValue HTTP headers per Fronius' interface documentation. The helper emits those as secretHeaders so the gateway injects them server-side.
  • Treat the first 401 or 403 live response as final for that attempt. For 429, report the rate-limit condition and any retry-after guidance.
  • Treat local host reachability, gateway host policy, and macOS Local Network permission as separate failure modes.

Setup

Local inverter path:

hybridclaw env set FRONIUS_LOCAL_HOST "http://<fronius-ip>"

The inverter LAN URL is configuration, not credential material. It can also be passed per request with --local-host http://<fronius-ip> or exported as FRONIUS_LOCAL_HOST.

Read the full file on GitHub · 282 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago First seen · 282 lines · 34 tokens per session scan A 810253fbf456

Subscribe to this mod's changes

fronius is a skill published in the GitHub repository HybridAIOne/hybridclaw (132 stars, last pushed yesterday), licensed MIT. It adds 34 tokens to every session and 3,219 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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