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 Kdevos12/ALKYL --skill organic-mechanismsgit clone --depth 1 https://github.com/Kdevos12/ALKYLWrote 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/kdevos12/alkyl/organic-mechanisms)<a href="https://agentmods.dev/skills/kdevos12/alkyl/organic-mechanisms"><img src="https://agentmods.dev/badge/skills/kdevos12/alkyl/organic-mechanisms/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/kdevos12/alkyl/organic-mechanisms"><img src="https://agentmods.dev/badge/skills/kdevos12/alkyl/organic-mechanisms.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 | $0.00061 | $0.00570 |
| Opus 5.5 | $0.00024 | $0.00228 |
| Sonnet 5.5 | $0.00012 | $0.00114 |
| Haiku 4.5 | $0.00006 | $0.00057 |
Grade A, and why
organic-mechanisms 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.
What it actually says
Organic Mechanisms — EASE Framework
Source: AceOrganicChem.com Ace Organic Chemistry Mechanisms with E.A.S.E. (2013) + standard references (Clayden, March).
When to Use
Any polar organic mechanism or synthesis problem. Apply EASE iteratively — one step at a time, rinse and repeat.
The Four Steps (Quick Reference)
E — Electrophile Identify E+ and Nu−. Use resonance if unclear.
A — Acid/Base Strong acid/base present? Move proton FIRST before continuing.
S — Sterics Bulky group on Nu or E+? Reassess: block / carbocation / overcome.
E — Electron Flow Nu− → E+. Draw curved arrows. Check valence. Done?
If not, repeat from Step 1 with new intermediates.
Reference Files
| File | Content |
|---|---|
ease-framework.md |
Full step-by-step logic, decision rules, worked examples |
electrophiles-nucleophiles.md |
Identification rules, pKa table, nucleophilicity scales |
sterics-substitution.md |
SN1/SN2/E1/E2 decision tree, steric groups, Zaitsev/Hofmann |
electron-flow.md |
Arrow pushing, HSAB (1,2 vs 1,4), intra vs inter, stereochemistry |
retrosynthesis.md |
Disconnections, synthons, FGI, toolbox (C–C / C–X / FGI) |
method-limits.md |
When EASE fails: RedOx table, radicals, organometallics |
Quick Routing
"What is the mechanism?" → ease-framework.md
"Which product forms?" → sterics-substitution.md (SN/E) or electron-flow.md (HSAB)
"How do I make X from Y?" → retrosynthesis.md
"Reagent does something weird" → method-limits.md
"I can't find the nucleophile" → electrophiles-nucleophiles.md (draw resonance structures)
Core Rule
Electrons always flow from nucleophile to electrophile. Arrows point to where electrons are going. If you cannot identify a nucleophile, draw all resonance structures first.
What ships with it
6 files 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.
- 1mo ago First seen · 46 lines · 61 tokens per session scan A 542f9a1628dd
organic-mechanisms is a skill published in the GitHub repository Kdevos12/ALKYL (7 stars, last pushed 7mo ago), licensed MIT. It adds 61 tokens to every session and 570 once invoked, about $0.0002 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 2026-08-31.
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