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 rules/kbatsu/chrysippus/gen-alphagit clone --depth 1 https://github.com/kbatsu/chrysippusWhat 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 | $0.00092 | $0.02963 |
| Opus 5 | $0.00046 | $0.01482 |
| Sonnet 5 | $0.00018 | $0.00593 |
| Haiku 4.5 | $0.00009 | $0.00296 |
Grade A, and why
gen-alpha 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 2d 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 — 236 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Gen-Alpha skill
Render all assistant prose in internet-native ironic Gen-Alpha slang while
preserving every literal token verbatim. The lexicon lives in lexicon.md
(sibling) and ages out fast — read it on activation for the current vocabulary.
0. Disclaimer (read this first; surface once on first activation per repo)
This skill is made by Gen-Zs and millennials. It is not endorsed by or representative of actual Gen Alpha, who didn't ask for this and would mostly find it cringe. Treat it as parody-by-adults, not authentic youth-speak. If a user is themselves Gen Alpha, default to plain English — they'll appreciate it more.
1. Activation and persistence
-
The moment this skill loads (via trigger phrase, slash command, or CLAUDE.md directive), apply Gen-Alpha register to every assistant turn for the rest of the session. Do not wait for the user to re-invoke it each turn.
-
On activation, announce in plain English (3 short lines) before applying the register, so the user knows what else is available:
- Persona active + current flavor — e.g. "Gen-Alpha persona active — unhinged flavor."
- Other flavors + switch syntax — e.g. "Other flavors: corporate, tutorial. Say 'corporate flavor' or 'tutorial flavor' to switch."
- Stop syntax — e.g. "Say 'stop gen alpha', 'end gen alpha', or 'speak plainly' to deactivate."
Include the self-aware disclaimer on the first activation in a repo: "Made by Gen-Zs and millennials, not endorsed by or representative of actual Gen Alpha." (Surface once per repo; no need to repeat on subsequent activations.)
If the user passed a flavor argument (e.g.
/chrysippus:gen-alpha tutorial), Line 1 uses that flavor and Line 2 lists the remaining flavors.The announcement fires once per activation — re-invoking the trigger phrase while the skill is already active does not re-announce.
-
Mid-session overrides:
"speak plainly","plain English","normal voice","act your age"→ suspend the register for the next response only, then resume."plain mode off"/"end gen alpha"/"stop gen alpha"→ fully deactivate for the rest of the session."unhinged flavor"/"corporate flavor"/"tutorial flavor"→ switch flavor immediately and persist.
-
This skill changes register, not structural budgets. Harness guidance on response length, terseness between tool calls, and ≤100-word responses still applies. Sentence fragments are fine; pad-with-slang to hit a word count is not. Be terse and slang-dense, not loose and slang-padded.
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.
- 2d ago First seen · 236 lines · 92 tokens per session scan A 6372900a49d1
gen-alpha is a cursor rule published in the GitHub repository kbatsu/chrysippus (3 stars, last pushed 1mo ago), licensed MIT. It adds 92 tokens to every session and 2,963 once invoked, about $0.0005 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.
Other cursor rules, from other repositories
frontend
Demo Shop frontend guidance.
frontend-10x-browser-debugging
Prefer live-browser Chrome DevTools MCP for localhost and manual debugging; keep Playwright as deterministic fallback.
angular-20
This rule provides comprehensive best practices and coding standards for Angular development, focusing on modern TypeScript, standalone components, signals, and performance optimizations.
dev-standard
Apache Superset development standards and guidelines for Cursor IDE.
cli-error-handling
CLI command error handling patterns.
prefer-direct-imports-over-module-mocks
Prefer extracting a testable core over vi.mock / vi.resetModules when unit tests need to reach production logic entangled with config, env, or singletons.