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 agentmods add commands/datathings/marketplace/update_powergridmodelgit clone --depth 1 https://github.com/datathings/marketplaceWrote 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/commands/datathings/marketplace/update_powergridmodel)<a href="https://agentmods.dev/commands/datathings/marketplace/update_powergridmodel"><img src="https://agentmods.dev/badge/commands/datathings/marketplace/update_powergridmodel.svg" alt="Measured on agentmods" 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 | $0.00000 | $0.01235 |
| Opus 5 | $0.00000 | $0.00617 |
| Sonnet 5 | $0.00000 | $0.00247 |
| Haiku 4.5 | $0.00000 | $0.00123 |
Grade A, and why
update_powergridmodel scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 139 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Update power-grid-model Skill to Latest Version
This command updates the power-grid-model library to the latest version and synchronizes all skill files with the updated API.
Working directory: plugins/powergridmodel/
Repository Structure
plugins/powergridmodel/
├── skills/powergridmodel/ # Skill content (SKILL.md and references/)
├── power-grid-model/ # Upstream repo clone (NOT a submodule)
└── .claude-plugin/plugin.json # Plugin manifest
The power-grid-model/ directory is a standalone git clone from
https://github.com/PowerGridModel/power-grid-model — updated independently via
git fetch and git checkout <tag>.
Process
1. Update Library to Latest Tag
cd plugins/powergridmodel/power-grid-model
git fetch --tags
CURRENT_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "unknown")
echo "Current tag: $CURRENT_TAG"
# Tags follow v#.#.# format (e.g., v1.13.10)
LATEST_TAG=$(git tag --sort=-version:refname | grep "^v" | head -n 1)
echo "Latest tag: $LATEST_TAG"
if [ "$CURRENT_TAG" != "unknown" ] && [ "$CURRENT_TAG" != "$LATEST_TAG" ]; then
echo "Commits between $CURRENT_TAG and $LATEST_TAG:"
git log --oneline "$CURRENT_TAG..$LATEST_TAG" | head -n 50
fi
git checkout "$LATEST_TAG"
echo "Now on: $(git describe --tags)"
cd ../../..
2. Analyze API Changes (subagent)
Dispatch a general-purpose subagent via the Task tool for the analysis and
documentation rewrite. This keeps the large source content out of the main context.
Provide the subagent with:
- Path to Python package:
plugins/powergridmodel/power-grid-model/src/power_grid_model/ - Path to skill references:
plugins/powergridmodel/skills/powergridmodel/references/ - Old tag and new tag (from Step 1 output)
The source of truth for the Python public API is:
src/power_grid_model/__init__.py— top-level exportssrc/power_grid_model/core/power_grid_model.py—PowerGridModelclasssrc/power_grid_model/validation/— validation functionssrc/power_grid_model/enum.py— all enumerationssrc/power_grid_model/component_attributes.pyor equivalent — component definitions- Type stubs (
.pyi) if present
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.
- 4d ago First seen · 139 lines · 0 tokens per session scan A 572a0cb0b3ea
update_powergridmodel is a command published in the GitHub repository datathings/marketplace (11 stars, last pushed 7d ago), licensed Apache-2.0. It costs nothing until one of its globs matches a file; then it loads 1,235 tokens. 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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