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 nahisaho/katashiro --skill musubix-code-generationgit clone --depth 1 https://github.com/nahisaho/katashiroWrote 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/nahisaho/katashiro/musubix-code-generation)<a href="https://agentmods.dev/skills/nahisaho/katashiro/musubix-code-generation"><img src="https://agentmods.dev/badge/skills/nahisaho/katashiro/musubix-code-generation.svg" alt="Measured on agentmods" 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 | $0.01261 |
| Opus 5 | $0.00018 | $0.00630 |
| Sonnet 5 | $0.00007 | $0.00252 |
| Haiku 4.5 | $0.00004 | $0.00126 |
Grade A, and why
musubix-code-generation 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 7d 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 — 230 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MUSUBIX Code Generation Skill
This skill guides you through generating code from design specifications following MUSUBIX methodology.
Prerequisites
Before generating code:
- Verify design document exists (
DES-*) - Verify requirements are traceable (
REQ-*) - Check
steering/tech.ja.mdfor technology stack
Supported Languages
| Language | Extension | Features |
|---|---|---|
| TypeScript | .ts |
Full support with types |
| JavaScript | .js |
ES6+ modules |
| Python | .py |
Type hints support |
| Java | .java |
Interface/Class generation |
| Go | .go |
Struct/Interface generation |
| Rust | .rs |
Trait/Struct generation |
| C# | .cs |
Interface/Class generation |
Code Generation Workflow
Step 1: Read Design Document
# Generate code from design
npx musubix codegen generate <design-file>
Step 2: Generate with Traceability
Always include requirement references:
/**
* UserService - Handles user operations
*
* @see REQ-INT-001 - Neuro-Symbolic Integration
* @see DES-INT-001 - Integration Layer Design
*/
export class UserService {
// Implementation
}
Step 3: Follow Test-First (Article III)
- Write test first:
describe('UserService', () => {
it('should create user', async () => {
const service = new UserService();
const user = await service.create({ name: 'Test' });
expect(user.id).toBeDefined();
});
});
- Implement minimal code:
export class UserService {
async create(data: CreateUserDto): Promise<User> {
return { id: generateId(), ...data };
}
}
- Refactor
Design Pattern Templates
Singleton Pattern
/**
* @see REQ-DES-001 - Pattern Detection
* @pattern Singleton
*/
export class ConfigManager {
private static instance: ConfigManager;
private constructor() {}
static getInstance(): ConfigManager {
if (!ConfigManager.instance) {
ConfigManager.instance = new ConfigManager();
}
return ConfigManager.instance;
}
}
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.
- 7d ago First seen · 230 lines · 36 tokens per session scan A 1a48bd3e480e
musubix-code-generation is a skill published in the GitHub repository nahisaho/katashiro (0 stars, last pushed 7mo ago), licensed MIT. It adds 36 tokens to every session and 1,261 once invoked, about $0.0002 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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