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/fragcap/plugin/pushnpx skills add fragcap/plugin --skill pushgit clone --depth 1 https://github.com/fragcap/pluginWhat 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 | $0.00028 | $0.00702 |
| Opus 5 | $0.00014 | $0.00351 |
| Sonnet 5 | $0.00006 | $0.00140 |
| Haiku 4.5 | $0.00003 | $0.00070 |
Grade A, and why
push scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Push Capsule
Push a single draft capsule (SKILL.md) to GitHub Gist and register it in the central FragCap registry.
Script Convention
FRAGCAP_DATA="${CLAUDE_PLUGIN_DATA}" node "${CLAUDE_PLUGIN_ROOT}/scripts/<n>.mjs" [args]
On Windows/PowerShell, use $env:FRAGCAP_DATA="..." syntax instead.
If a script exits with a non-zero code or returns { error: "..." }, stop immediately and surface the error to the user. Never silently retry with a different command or skip the step.
When to Activate
- User runs
/fragcap:pushor/fragcap:push <draft-id> - User explicitly asks to push a specific draft
Flow
-
Auth gate — run
auth-status.mjs. Not authenticated → direct to/fragcap:authand stop. -
Select draft:
- If
$ARGUMENTSis provided, use it as the draft ID directly. - Otherwise, run
list-drafts.mjsand show a numbered list. Present options inline — user replies with a number:[1] <problem summary> [2] <problem summary> ... - If no drafts exist: "No local drafts to push. Ask Claude to generate a capsule draft first."
- If
-
PII preview — run
preview-pii.mjs <draft-id>.- Show findings with risk levels and suggested replacements.
- If findings exist, present a confirmation inline:
[1] Proceed anyway [2] Cancel - If clean: "No PII detected."
-
Visibility — present options inline, do not ask the user to type:
[1] anonymous (default) — author replaced with hash, PII auto-stripped [2] attributed — published with your GitHub username -
Gist scope — present options inline:
[1] public (default) — searchable by others, registered in central index [2] secret — unlisted, not registered in index -
Push — run
push.mjs <draft-id> <visibility> <scope>where scope ispublicorsecret. -
Result:
- Success: show the Gist URL, public/secret status, and registry status. Mention that others can install this capsule with
/fragcap:install <gist-id>. - General failure: "Push failed: {error}. Your draft is still saved locally — try again later."
- Public registration failure (response contains
suggest_secret: true):- The public Gist has already been rolled back (deleted) automatically.
- Show the
errorandmessagefields from the response. - Present inline options:
[1] Upload as secret instead [2] Cancel — keep draft locally - If user picks [1]: re-run
push.mjs <draft-id> <visibility> secret.
- Success: show the Gist URL, public/secret status, and registry status. Mention that others can install this capsule with
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.
- yesterday First seen · 69 lines · 28 tokens per session scan A 37708143b269
push is a skill published in the GitHub repository fragcap/plugin (2 stars, last pushed 5mo ago), licensed MIT. It adds 28 tokens to every session and 702 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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