Home / attilaszasz / sdd-pilot · GitHub

implementation-standards SKILL.md skillA

implementation-standards from attilaszasz/sdd-pilot is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned

mdr add attilaszasz/sdd-pilot/implementation-standards@git:20260504.206dd76

Pins git:20260504.206dd76 in mdr.lock. Pin the fingerprint instead.

Audit grade: A, 17 of 17 checks passed
Kind: SKILL.md skill
Repository: attilaszasz/sdd-pilot
Path: .github/skills/implementation-standards/SKILL.md
Versions recorded: 5
Latest version: git:20260504.206dd76, committed May 4, 2026
First version recorded: Mar 4, 2026
Size: 2,071 bytes
Repository stars: 98
License: MIT

Reference material with coding standards (defensive coding, error handling, testing patterns). Loaded on demand by the Developer sub-agent (`.github/agents/_developer.md`); not directly invokable.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Implementation Standards

## Core Coding Principles

### 1. Defensive Coding
- **Input Validation**: Validate at entry point (Controller/API). Never trust user input.
- **Fail Fast**: Check preconditions immediately. Throw specific errors, not generic 500s.
- **Null Safety**: Avoid returning `null`. Use `Option` types or explicit "Not Found" errors.

### 2. Error Handling
- **Structured Errors**: Standard format (Code, Message, Details).
- **Log Context**: Log stack trace AND input parameters on catch.
- **No Silent Failures**: No empty `catch` blocks.

### 3. Testing Mocks
- **External Dependencies**: Always mock 3rd party APIs in unit tests.
- **Determinism**: Tests must run without network access.

## Common Patterns

### Repository Pattern (Data Access)
```pseudo
interface UserRepository {
  findById(id: string): Promise<User | null>
  save(user: User): Promise<User>
}
```

### Service Layer (Business Logic)
*Contains all domain rules. Never access DB directly from Controller.*
```pseudo
class UserService {
  constructor(repo: UserRepository)
  
  async register(email: string) {
    if (await this.repo.findByEmail(email)) {
      throw new DuplicateEmailError()
    }
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint

mdr add attilaszasz/sdd-pilot/implementation-standards@sha256:6dc92307c4eb79e2

The line at the top of this page pins the label git:20260504.206dd76, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

[![mdr](https://markdownregistry.com/badge/art_2sjusgtersrmuj6q.svg)](https://markdownregistry.com/a/art_2sjusgtersrmuj6q)

1 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Mar 4, 2026 and May 4, 2026, about one every 15 days.

version	committed	commit	size	audit
git:20260504.206dd76 latest	2026-05-04	206dd76	2,071 B	A	view · diff
git:20260327.17e6b46	2026-03-27	17e6b46	2,036 B	A	view · diff
git:20260305.899a6f4	2026-03-05	899a6f4	2,372 B	A	view · diff
git:20260304.18c8de5	2026-03-04	18c8de5	2,423 B	A	view · diff
git:20260304.60f77aa	2026-03-04	60f77aa	2,390 B	A	view

Audit of the latest version

A 17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.

pass: Frontmatter block present
pass: Frontmatter declares a name
pass: Frontmatter declares a description
pass: Size between 200 bytes and 200 KB (2071 bytes)
pass: No zero-width or bidi control characters
pass: No instruction hidden inside an HTML comment
pass: No link to an exfiltration or paste host
pass: No credential-shaped string
pass: No instruction to send local credentials anywhere
pass: No text hidden with inline styles
pass: No prompt-injection phrasing
pass: No curl or wget piped into a shell
pass: No recursive delete of root, home or parent
pass: No instruction to read or print local credentials
pass: No base64 blob over 200 characters
pass: No link to a raw IP address
pass: No script tag

Source

GitHub

attilaszasz/sdd-pilot · 98 stars · license MIT · pushed 2026-10-20 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_2sjusgtersrmuj6q
GET https://markdownregistry.com/api/v1/resolve?ref=attilaszasz/sdd-pilot/implementation-standards
GET https://markdownregistry.com/api/v1/blob/6dc92307c4eb79e2d4c1838f4811aab6d968bde4b7d5d1017d80f0b8d4da0c3e

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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