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 yogsoth-ai/de-anthropocentric-research-engine --skill claim-writinggit clone --depth 1 https://github.com/yogsoth-ai/de-anthropocentric-research-engineWrote 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/yogsoth-ai/de-anthropocentric-research-engine/claim-writing)<a href="https://agentmods.dev/skills/yogsoth-ai/de-anthropocentric-research-engine/claim-writing"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/de-anthropocentric-research-engine/claim-writing/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/yogsoth-ai/de-anthropocentric-research-engine/claim-writing"><img src="https://agentmods.dev/badge/skills/yogsoth-ai/de-anthropocentric-research-engine/claim-writing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00078 | $0.00406 |
| Opus 5 | $0.00039 | $0.00203 |
| Sonnet 5 | $0.00016 | $0.00081 |
| Haiku 4.5 | $0.00008 | $0.00041 |
Grade A, and why
claim-writing 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 11d 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.
What it actually says
Claim Writing
Blind rewrite of a citance into an atomic verifiable claim — first step of the SciFact 3-chain.
Execution
Subagent — spawned via spawn-agent skill.
Input Requirement This Package Cannot Auto-Supply
SciFact's own method requires a citance — a sentence FROM ANOTHER PAPER that cites the paper under study. paper-fetch only ever retrieves the text of the single paper being read; it has no mechanism to discover or supply a citance about that paper. Callers using this SOP must supply citance themselves (e.g. from a specific citation-verification task they already have in hand) — this SOP cannot be exercised end-to-end starting only from a paper_ref, unlike every other SOP in this package. Do not "fix" this by having paper-fetch search for citing sentences; that would break paper-fetch's decoupled, single-purpose design (spec §9).
Available SOPs
| SOP | When to use |
|---|---|
| spawn-agent | Spawn a customized CC subagent with full MCP tool access. |
What ships with it
1 file 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.
- 11d ago First seen · 37 lines · 78 tokens per session scan A c30dfcf6834e
claim-writing is a skill published in the GitHub repository yogsoth-ai/de-anthropocentric-research-engine (456 stars, last pushed yesterday), licensed Apache-2.0. It adds 78 tokens to every session and 406 once invoked, about $0.0004 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 2026-08-30.
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