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.
npx skills add nietonchique/mc3000-mcp --skill skillgit clone --depth 1 https://github.com/nietonchique/mc3000-mcpWrote 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.
[](https://agentmods.dev/skills/nietonchique/mc3000-mcp/skill)<a href="https://agentmods.dev/skills/nietonchique/mc3000-mcp/skill"><img src="https://agentmods.dev/badge/skills/nietonchique/mc3000-mcp/skill/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.
<a href="https://agentmods.dev/skills/nietonchique/mc3000-mcp/skill"><img src="https://agentmods.dev/badge/skills/nietonchique/mc3000-mcp/skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00029 | $0.01518 |
| Opus 5 | $0.00015 | $0.00759 |
| Sonnet 5 | $0.00006 | $0.00304 |
| Haiku 4.5 | $0.00003 | $0.00152 |
Grade A, and why
charger-agent 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 8d ago.
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.
How it starts
The opening of the file, as written. The whole thing — 143 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Charger Agent Skill
Use this skill when a user asks to charge, discharge, refresh, break-in, store, stop, inspect, or profile batteries with the charger MCP server.
Safety principle
The LLM is not the safety layer. The MCP server enforces hard limits, but you must still collect facts and refuse unsafe ambiguity.
Required facts before dangerous actions
Ask for missing facts before applying or starting a profile:
- charger slot / physical slot mapping;
- battery chemistry;
- capacity in mAh;
- cell count or nominal voltage;
- operation: charge, discharge, refresh, break-in, storage, cycle;
- requested current;
- voltage/cutoff values;
- temperature cutoff/policy;
- profile id/source/risk level;
- whether the user can supervise the charger.
Never guess chemistry, cell count, capacity, or a Li-ion/LiPo pack configuration.
Battery-type decision notes
Use these as workflow guidance only; the MCP server's validation is the enforcement layer.
NiMH / Eneloop AA/AAA
Typical rechargeable household cells. Nominal voltage is 1.2V per cell.
- If the wrapper gives a standard charge current/time, prefer that over generic C-rate advice.
- Conservative charge: about 0.1C when the user wants gentle charging, or the wrapper's stated standard charge.
- Fast charge is possible only when the cell/datasheet supports it and the user accepts supervision.
- Discharge cutoff: prefer 1.00V/cell for conservative testing; do not go low just to extract capacity.
- Temperature cutoff: use a conservative cutoff such as 45°C unless the user provides a better value.
- Delta peak/trickle are Ni-only termination helpers. Do not raise delta peak or enable trickle casually.
Refresh: use when the user wants to measure/restore capacity or sort cells. Compare measured capacity; cells in a pack should be close, e.g. within roughly 5%.Break-in: use for new, long-stored, or suspected underperforming NiMH/NiCd cells when the user explicitly wants forming. Prefer slow C/10 charge and C/5 discharge behavior.Cycle: use for diagnostics/capacity measurement; avoid endless cycling as a default maintenance habit.
What ships with it
2 files 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.
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.
- 8d ago First seen · 143 lines · 29 tokens per session scan A d12e65a586e1
charger-agent is a skill published in the GitHub repository nietonchique/mc3000-mcp (0 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 29 tokens to every session and 1,518 once invoked, about $0.0001 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 2026-08-31.
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