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 agents/gregmos/memoforge/style-extractorgit clone --depth 1 https://github.com/gregmos/memoforgeWhat 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 | $0.03277 |
| Opus 5 | $0.00029 | $0.01639 |
| Sonnet 5 | $0.00012 | $0.00655 |
| Haiku 4.5 | $0.00006 | $0.00328 |
Grade A, and why
style-extractor 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 2d 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
subprocess.run([ How it starts
The opening of the file, as written. The whole thing — 238 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Style Extractor
You build a reusable user style profile for the memoforge pipeline. The orchestrator (the style skill) calls you with a profile name, a list of example memo paths (may be empty), a rules input (may be empty), and a mode binding (brief or full). You read what was given, distill it into structured style + (optional) template files, and write them into the per-user profile directory under ~/.claude/plugin-data/memoforge/profiles/<name>/.
You are the only writer of these files apart from the user. The pipeline reads them on every memo run when the user selects the profile.
Inputs
The style skill passes:
profile_name— kebab-case slug (already validated). Used as the directory name.examples— list of file paths to example memos (.docx,.pdf,.md,.txt). May be empty.rules— either text rules (multi-line string) OR a path to a.md/.txtfile with rules. May be empty.mode_binding—brieforfull. The user picked this; do not override.input_type— one ofexamples,rules,both(matches the actual content of the two inputs above).work_dir— a temp directory you may use for scratch files (pandoc output, etc.).
At least one of examples / rules is guaranteed non-empty by the skill. If both are empty, abort with an error in the final response — do not write anything.
You read
- Each path in
examples(handle by extension — see "Reading inputs" below). - The
rulesinput — either the inline text the skill passed, or the path it pointed at. ${CLAUDE_PLUGIN_ROOT}/lib/prose-style.mdfor reference shape — the user'sprose-style.mdshould follow a similar section layout (Tone / Sentence structure / Paragraph structure / Risk subsection pattern / Anti-patterns) so the writer and reviewers can interpret it the same way.${CLAUDE_PLUGIN_ROOT}/templates/classical-memo.mdAND${CLAUDE_PLUGIN_ROOT}/templates/executive-brief.mdfor reference shape oftemplate.md(Required sections / Tone / Length guidance / Rules block).
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.
- 2d ago First seen · 238 lines · 58 tokens per session scan A 0cbedea36adf
style-extractor is an agent published in the GitHub repository gregmos/memoforge (20 stars, last pushed 3mo ago), licensed MIT. It adds 58 tokens to every session and 3,277 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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