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 SFETNI/Deep-Matter-Chem-Skills --skill fracture-mechanics-workflowgit clone --depth 1 https://github.com/SFETNI/Deep-Matter-Chem-SkillsWrote 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/sfetni/deep-matter-chem-skills/fracture-mechanics-workflow)<a href="https://agentmods.dev/skills/sfetni/deep-matter-chem-skills/fracture-mechanics-workflow"><img src="https://agentmods.dev/badge/skills/sfetni/deep-matter-chem-skills/fracture-mechanics-workflow/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/sfetni/deep-matter-chem-skills/fracture-mechanics-workflow"><img src="https://agentmods.dev/badge/skills/sfetni/deep-matter-chem-skills/fracture-mechanics-workflow.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 | $0.00006 | $0.05268 |
| Opus 5 | $0.00003 | $0.02634 |
| Sonnet 5 | $0.00001 | $0.01054 |
| Haiku 4.5 | $0.00001 | $0.00527 |
Grade A, and why
fracture-mechanics-workflow 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 12d 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 — 261 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fracture Mechanics Workflow
Description
Select, construct, and validate fracture-mechanics assessments for cracked materials and components. The workflow distinguishes strength, damage, fracture initiation, stable crack propagation, and unstable fracture, then connects analytical LEFM checks with finite-element, elastic-plastic, cohesive-zone, phase-field, and XFEM models.
This skill supports research and engineering analysis. It does not replace applicable fitness-for-service codes, certified toughness data, inspection requirements, or safety review.
Domain Context
Fracture mechanics represents the effect of a crack or crack-like defect through crack-tip fields, energy measures, or regularized separation models. A model must state what event it predicts:
- Strength or collapse: loss of load capacity without necessarily resolving a crack-growth process.
- Damage initiation: onset of a constitutive degradation variable, interface separation, void process, or other model-specific event.
- Fracture initiation: a measured or defined onset of crack extension under a specified test method.
- Stable propagation: resistance may evolve with crack extension and geometry or constraint.
- Instability: applied driving force exceeds the structure's resistance under the governing control mode.
Brittle fracture can often be represented by a relatively small fracture-process zone and an energy or toughness criterion. Ductile fracture generally involves substantial plasticity, void nucleation/growth/coalescence, tearing resistance, and constraint dependence. These labels are mechanism descriptions, not universal thresholds based only on elongation or temperature. [EXPERT REVIEW NEEDED]
Linear elastic fracture mechanics (LEFM) requires linear-elastic response outside a crack-tip process zone that is small relative to crack size, remaining ligament, thickness, and other geometric dimensions. Elastic-plastic fracture mechanics (EPFM) uses measures such as J or CTOD when plasticity is not negligible but the selected parameter still characterizes the crack-tip state within its validity domain.
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.
- 12d ago First seen · 261 lines · 6 tokens per session scan A db03e761eaeb
fracture-mechanics-workflow is a skill published in the GitHub repository SFETNI/Deep-Matter-Chem-Skills (6 stars, last pushed 1mo ago), licensed MIT. It adds 6 tokens to every session and 5,268 once invoked, about $0.0000 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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