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 machbuilds/atom --skill atom-newgit clone --depth 1 https://github.com/machbuilds/atomWrote 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/machbuilds/atom/atom-new)<a href="https://agentmods.dev/skills/machbuilds/atom/atom-new"><img src="https://agentmods.dev/badge/skills/machbuilds/atom/atom-new/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/machbuilds/atom/atom-new"><img src="https://agentmods.dev/badge/skills/machbuilds/atom/atom-new.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 | $0.00093 | $0.00953 |
| Opus 5.5 | $0.00037 | $0.00381 |
| Sonnet 5.5 | $0.00019 | $0.00191 |
| Haiku 4.5 | $0.00009 | $0.00095 |
Grade C, and why
atom-new scanned grade C with 2 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 1mo 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.
Downloads and executes remote codehighSupply chain
curl | sh runs whatever the server returns today, which is not necessarily what it returned when this was reviewed.
> curl -fsSL https://raw.githubusercontent.com/machbuilds/atom/main/install.sh | bash Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
> curl -fsSL https://raw.githubusercontent.com/machbuilds/atom/main/install.sh | bash How it starts
The opening of the file, as written. The whole thing — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
atom-new — bootstrap a new project from atom
This skill is a thin launcher. It does not contain the bootstrap
steps. The single source of truth is Mode 1 of AGENTS.md in the
installed atom checkout. Your job is to find that file, read it, and
run its flow conversationally against the user's chosen directory.
Why thin: atom is distributed as a git checkout that the user upgrades
in place (atom upgrade). If this skill restated the bootstrap steps,
the two would drift. Instead it points at the live instructions so the
flow is always whatever the installed atom says it is.
Step 1 — locate the installed atom
Resolve the atom source directory, in this order:
$ATOM_SOURCE_DIR(if set)$ATOM_INSTALL(if set)~/.atom/atom/(the canonical install location)
A directory is a valid atom checkout if it contains both a
VERSION file and AGENTS.md. Verify before proceeding.
If no atom checkout is found, stop and tell the user — do not improvise a bootstrap from memory:
I couldn't find an atom install (looked in
$ATOM_SOURCE_DIR,$ATOM_INSTALL, and~/.atom/atom/). Install it once with:curl -fsSL https://raw.githubusercontent.com/machbuilds/atom/main/install.sh | bashThen re-run
/atom-new.
Step 2 — read the real instructions
Read these from the resolved atom directory (not from this skill, not from memory — they evolve between releases):
AGENTS.md→ Mode 1: Bootstrap a new project. This is the canonical, ordered flow. Follow it exactly.- The docs
AGENTS.mdtells you to read, in the order it lists them (docs/VOICE.md,docs/WORKFLOW.md,docs/PATTERNS.md,docs/LESSONS_LEARNED.md,docs/HOW_TO_WRITE_CONSTITUTION.md, and the conditional ones).
Whatever Mode 1 says wins over anything summarized here.
Step 3 — ask where the project goes
This skill can fire from any directory, so you cannot assume the current working directory is where the new project should live. Before scaffolding, confirm the target:
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.
- 1mo ago First seen · 90 lines · 93 tokens per session scan C e9988678b892
atom-new is a skill published in the GitHub repository machbuilds/atom (2 stars, last pushed 4mo ago), licensed MIT. It adds 93 tokens to every session and 953 once invoked, about $0.0004 per session on Opus 5.5. A static security scan graded it C with 2 findings (downloads and executes remote code, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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