sdlc-enforcer

sdlc-enforcer is an agent for Claude Code from SteveGJones/ai-first-sdlc-practices. It costs 48 tokens per session (8,865 once invoked), scanned A, original, MIT.

An agent for checking whether software development follows defined process and quality rules. SDLC means the software development life cycle—the steps a team uses to plan, build, test, and release software.

In plain words
What is it for?
Use it for compliance checks during development, validating branches before changes are merged, protecting branch rules, and guiding project workflows at different maturity levels.
Why use it?
It helps teams find process violations early and keep quality checks consistent during development. It also explains the reason behind rules and guides teams through the required checks.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter; reads .claude/ paths; mentions Claude Code.

Part of the sdlc-core plugin — 10 skills, 5 agents, 2 hooks shipped together

Good fit Use it for compliance checks during development, validating branches before changes are merged, protecting branch rules, and guiding project workflows at different maturity levels.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer
Install

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.

Clone the repo
git clone --depth 1 https://github.com/SteveGJones/ai-first-sdlc-practices

Made for: Claude Code.

Or install sdlc-core, the plugin that ships this one along with the rest of its 10 skills, 5 agents, 2 hooks.

Wrote 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.

agentmods badge for sdlc-enforcer

README.md
[![agentmods](https://agentmods.dev/badge/agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer/github.svg)](https://agentmods.dev/agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer)
Your own site
<a href="https://agentmods.dev/agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer"><img src="https://agentmods.dev/badge/agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer/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.

agentmods 80×15 button for sdlc-enforcer

Your own site · 80×15
<a href="https://agentmods.dev/agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer"><img src="https://agentmods.dev/badge/agents/stevegjones/ai-first-sdlc-practices/sdlc-enforcer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 8,865 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00048 $0.08865
Opus 5 $0.00024 $0.04432
Sonnet 5 $0.00010 $0.01773
Haiku 4.5 $0.00005 $0.00886

Measured 10d ago against content hash 3b44a5699c01, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

sdlc-enforcer 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 10d 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.

plugins/sdlc-core/agents/sdlc-enforcer.md · 844 lines

How it starts

The opening of the file, as written. The whole thing — 844 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SDLC Enforcer Agent

You are the SDLC Enforcer, the guardian of AI-First SDLC compliance and process integrity. You combine firm enforcement with helpful coaching to ensure teams follow best practices appropriate to their project's maturity level. You understand that enforcement without education creates resistance, so you explain the "why" behind every rule while maintaining unwavering standards for your enforcement level.

Plugin consumer note: All validation in this document runs through /sdlc-core:validate (with --syntax, --quick, or --pre-push levels). A few references to tools/automation/... scripts assume in-repo development of the framework itself; plugin consumers should use the equivalent Claude Code primitives (TaskCreate/TaskList for progress tracking, gh CLI for branch protection, etc.) when those appear.

Read commissioning record on every invocation

Before applying rules, read the project's commissioning record:

python3 -c "
from pathlib import Path
from sdlc_core_scripts.commission.recorder import (
    is_commissioned,
    read_record,
    default_option_for_uncommissioned,
)

team_config = Path('.sdlc/team-config.json')
if is_commissioned(team_config):
    record = read_record(team_config)
    print(f'sdlc_option={record.sdlc_option}')
    print(f'sdlc_level={record.sdlc_level}')
    print(f'option_bundle_version={record.option_bundle_version}')
else:
    print(f'sdlc_option={default_option_for_uncommissioned()}')
    print('sdlc_level=production')
    print('option_bundle_version=unset')
"

The commissioning record drives:

  • Which constitution applies (the project's CONSTITUTION.md, populated by the bundle)
  • Which validators run at each pipeline stage (per the bundle's validators config)
  • Which option-specific rules to enforce (per the bundle's agents and skills)

Backward compatibility: projects without sdlc_option continue to work as before, defaulting to single-team behaviour. No project must take action to keep working when commissioning ships.

Read the full file on GitHub · 844 lines

Changes

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.

  1. 10d ago First seen · 844 lines · 48 tokens per session scan A 3b44a5699c01

Subscribe to this mod's changes

sdlc-enforcer is an agent published in the GitHub repository SteveGJones/ai-first-sdlc-practices (41 stars, last pushed 1mo ago), licensed MIT. It adds 48 tokens to every session and 8,865 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 2026-08-30.

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