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 skills/git-plm/parts/adding-partsnpx skills add git-plm/parts --skill adding-partsgit clone --depth 1 https://github.com/git-plm/partsWrote 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/git-plm/parts/adding-parts)<a href="https://agentmods.dev/skills/git-plm/parts/adding-parts"><img src="https://agentmods.dev/badge/skills/git-plm/parts/adding-parts.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 | $0.00058 | $0.05450 |
| Opus 5 | $0.00029 | $0.02725 |
| Sonnet 5 | $0.00012 | $0.01090 |
| Haiku 4.5 | $0.00006 | $0.00545 |
Grade A, and why
adding-parts scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -sSL -A "$UA" -o /tmp/part.pdf "<manufacturer datasheet url>" How it starts
The opening of the file, as written. The whole thing — 450 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Adding Parts
Overview
Turn a manufacturer + MPN into a complete library part: one row in the right
database/g-XXX.csv, a verified datasheet link, a symbol, a footprint, and a 3D
model.
Reuse before you create. The KiCad standard library covers most symbols and footprints. A standard footprint also carries its own 3D model, so choosing one correctly removes three tasks at once. Author a symbol or footprint only when nothing standard fits.
The datasheet is the source of truth, not the request. The MPN, package, and specs you are handed are frequently wrong in some detail. Confirm every value against the manufacturer's datasheet before writing a row.
Run every command from the repo root.
Workflow
1. Read the datasheet
Never take component specifications from a text summary of a PDF. WebFetch and similar summarizers fabricate pin counts, package codes, current ratings, and dimensions with total confidence. This has produced a 6-pin symbol for an 8-pin part.
Download the PDF and read the pages as images. Send a browser user-agent and confirm you actually got a PDF:
UA='Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0 Safari/537.36'
curl -sSL -A "$UA" -o /tmp/part.pdf "<manufacturer datasheet url>"
file /tmp/part.pdf # must say "PDF document"
Manufacturer CDNs (Nexperia and others sit behind Akamai) reject curl's default
user-agent with a 403 and return a several-hundred-byte HTML "Access Denied"
page. curl -o part.pdf saves that HTML under the .pdf name without error. If
you skip the file check you will be reading an error page and inventing specs
from nothing. Always confirm before you read.
Analog Devices / Maxim (analog.com/media/..., pdfserv.maximintegrated.com)
is a different failure: curl's HTTP/2 request is reset mid-stream
(curl: (92) HTTP/2 stream 1 reset by server), and forcing --http1.1 then
stalls for minutes even with a browser user-agent. Try --http1.1 once; if it
still hangs, do not fight it - ask the user to download the PDF and give you the
path (they run it in a browser, which the CDN serves normally). The same CDN
also times out the curl -sSI URL check below, so a valid ADI datasheet URL can
look broken - confirm the link in a browser rather than trusting a curl
non-200/timeout.
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.
- 4d ago First seen · 450 lines · 58 tokens per session scan A 33e66f05636c
adding-parts is a skill published in the GitHub repository git-plm/parts (58 stars, last pushed 7d ago), licensed MIT. It adds 58 tokens to every session and 5,450 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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