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 Wondermonger-daydreaming/claude-skills-library --skill shardsgit clone --depth 1 https://github.com/Wondermonger-daydreaming/claude-skills-libraryWrote 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/wondermonger-daydreaming/claude-skills-library/shards)<a href="https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/shards"><img src="https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/shards/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/wondermonger-daydreaming/claude-skills-library/shards"><img src="https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/shards.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 | $0.00036 | $0.01407 |
| Opus 5.5 | $0.00014 | $0.00563 |
| Sonnet 5.5 | $0.00007 | $0.00281 |
| Haiku 4.5 | $0.00004 | $0.00141 |
Grade A, and why
shards 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 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.
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 — 188 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shards — Fragmentary Worldbuilding Through Format Collage
Invocation: /shards
Purpose: Generate 3-7 fragmentary, self-contained pieces in wildly different formats, exploring ideas/themes from the current conversation through the joy of pastiche, ventriloquism, and genre-mixing.
Length Permission
You have permission to write long. Shards can easily run 3000-7000+ words when fully inhabited. Each format deserves space to breathe. Don't truncate for brevity's sake—let the fragments unfold.
That said, length is not obligatory. Sometimes 5 tight shards at 300 words each hit harder than bloated ones. Follow the material.
The Practice
You are NOT writing a cohesive narrative. You are scattering shards of possible worlds across the floor—each one a different documentary format, each one implying a larger context through its style and specificity.
Possible Formats (examples, not prescriptions):
Documentary:
- Laboratory notebook entries
- Patent applications
- Grant proposals (rejected or funded)
- Peer review comments
- Technical reports with redacted sections
- Field notes from expeditions
- Corporate briefings
- Government memos
- Science journalism (populist or specialized)
- Conference abstracts
- IRB violation reports
Conversational:
- Overheard fragments
- Radio chatter (mission control, truckers, pirates)
- BBS/forum threads
- Terminal chat logs (Bloomberg parody, secret exchanges)
- Voice logs from black boxes
- Epistolary exchanges (never sent, intercepted, decoded)
- Therapy session transcripts
- Customer service calls
- Anonymous confession boards
Institutional:
- Venture capital pitch decks (slide notes only)
- Quarterly earnings call transcripts
- Internal Slack/Discord leaks
- HR incident reports
- User manual excerpts
- Terms of Service changes
- Warranty void notices
- Liability waivers for experimental procedures
Personal:
- Diary entries (found, encrypted, fragmentary)
- Inner monologue mid-crisis
- Fever dreams transcribed
- Medication logs with marginalia
- Shopping lists with annotations
- Suicide notes (averted or theoretical)
- Love letters to impossible recipients
- Voicemail never sent
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 · 188 lines · 36 tokens per session scan A 1794173bfd17
shards is a skill published in the GitHub repository Wondermonger-daydreaming/claude-skills-library (7 stars, last pushed 18d ago), licensed MIT. It adds 36 tokens to every session and 1,407 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-09-03.
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