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 rocky2431/ultra-builder-pro --skill integration-rulesgit clone --depth 1 https://github.com/rocky2431/ultra-builder-proWrote 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/rocky2431/ultra-builder-pro/integration-rules)<a href="https://agentmods.dev/skills/rocky2431/ultra-builder-pro/integration-rules"><img src="https://agentmods.dev/badge/skills/rocky2431/ultra-builder-pro/integration-rules/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/rocky2431/ultra-builder-pro/integration-rules"><img src="https://agentmods.dev/badge/skills/rocky2431/ultra-builder-pro/integration-rules.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 | $0.00010 | $0.00577 |
| Opus 5 | $0.00005 | $0.00289 |
| Sonnet 5 | $0.00002 | $0.00115 |
| Haiku 4.5 | $0.00001 | $0.00058 |
Grade A, and why
integration-rules 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 9d 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 — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Integration Rules
These rules are mandatory for all code review and development work involving multi-component systems.
Vertical Slice Principle
Every task MUST deliver a thin, working end-to-end path:
| Good (Vertical Slice) | Bad (Horizontal Layer) |
|---|---|
| "User can send message" (UI + API + LLM + response display) | "Create all database tables" |
| "Display product list" (API call + domain filter + UI render) | "Build all API endpoints" |
| "Process payment" (UI form + gateway + order update) | "Create all UI components" |
Walking Skeleton
The FIRST deliverable of any multi-component feature must be a walking skeleton:
- One request flows through ALL layers
- Returns real data (not hardcoded/mocked)
- Proves the architecture connects end-to-end
- Does NOT need to be feature-complete — just connected
Contract-First Development
When two components will communicate:
| Step | Action | Artifact |
|---|---|---|
| 1 | Define interface before implementation | TypeScript interface, OpenAPI schema, or protobuf |
| 2 | Both sides code against the contract | Import shared types or generated clients |
| 3 | Contract test validates both sides | Test that producer output matches consumer expectation |
Integration Test Requirements
| Boundary | Required Test |
|---|---|
| HTTP API endpoint | Request with real HTTP client, validate response shape + status |
| Database operation | Testcontainers with real queries, validate data persisted |
| Message queue | Real producer + consumer, validate message delivered |
| External service | Test Double with // Test Double rationale: (only exception) |
| In-process module boundary | Real function call, validate input/output contract |
Orphan Detection
Code without a live entry point is dead-on-arrival.
Valid entry points (at least one required per new module):
- HTTP/WebSocket handler
- CLI command handler
- Event/message listener
- Scheduled job/cron handler
- Exported function called by a module that has an entry point
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.
- 9d ago First seen · 72 lines · 10 tokens per session scan A f13f349b0c68
integration-rules is a skill published in the GitHub repository rocky2431/ultra-builder-pro (11 stars, last pushed 1mo ago), licensed MIT. It adds 10 tokens to every session and 577 once invoked, about $0.0001 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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