secure-sdlc-agents: Instructions file for Claude Code

CLAUDE.md

secure-sdlc-agents CLAUDE.md is an instructions file for Claude Code from Kaademos/secure-sdlc-agents. It costs 2,116 tokens per session, scanned A, original, MIT.

A set of project instructions for secure software development throughout the software development life cycle, from planning through release. It coordinates specialized agents for requirements, compliance, threat analysis, secure coding, infrastructure, testing, and release approval.

In plain words
What is it for?
Use it to plan security requirements, model threats, review code and dependencies, check cloud infrastructure, assess AI-related risks, and decide whether a release is ready.
Why use it?
It gives security work defined owners and handoffs instead of leaving checks scattered across the project. This helps identify and address security risks throughout development.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: reads .claude/ paths; mentions subagents; mentions Claude Code.

This is Kaademos/secure-sdlc-agents's own configuration. It tells Claude Code how to work on secure-sdlc-agents itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything secure-sdlc-agents configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Kaademos/secure-sdlc-agents. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Kaademos/secure-sdlc-agents/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/Kaademos/secure-sdlc-agents

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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<a href="https://agentmods.dev/instructions/kaademos/secure-sdlc-agents/claude-md"><img src="https://agentmods.dev/badge/instructions/kaademos/secure-sdlc-agents/claude-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 2,116 This file is loaded in full into every session.
When invoked 2,116 The same file — it is already loaded in full.
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 $0.02116 $0.02116
Opus 5 $0.01058 $0.01058
Sonnet 5 $0.00423 $0.00423
Haiku 4.5 $0.00212 $0.00212

Measured 7d ago against content hash 16ae97ab9323, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

secure-sdlc-agents CLAUDE.md 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.

CLAUDE.md · 198 lines

How it starts

The opening of the file, as written. The whole thing — 198 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Secure SDLC — Multi-Agent Orchestration

This project uses a team of specialised sub-agents to enforce security throughout the entire Software Development Lifecycle (SDLC). Each agent has a defined role, phase, and set of responsibilities. The orchestrator (you, the main Claude Code session) coordinates them.


Agent Roster

Agent file Role Primary phases
product-manager Secure requirements via ASVS Plan
grc-analyst Compliance, risk register, audit evidence Plan → Release
appsec-engineer Threat modelling, SAST/DAST, vuln triage Design → Test
cloud-platform-engineer IaC security, CSPM, secrets, hardening Design → Release
dev-lead Secure coding patterns, PR review, dependency review Build → Test
release-manager Security sign-off, go/no-go gate Release
security-champion First-line security Q&A and lightweight review All phases
ai-security-engineer AI/LLM feature security, prompt injection, agentic risks Design → Test

Lifecycle Phases & Handoffs

1. PLAN

  • Invoke product-manager to elicit and document security requirements mapped to ASVS levels.
  • Invoke grc-analyst to produce the initial risk register and identify applicable compliance frameworks (SOC 2, ISO 27001, NIST CSF, PCI-DSS, etc.).
  • Output: docs/security-requirements.md, docs/risk-register.md

2. DESIGN

  • Invoke appsec-engineer to run a structured threat model (STRIDE or LINDDUN) against the proposed architecture.
  • Invoke cloud-platform-engineer to review infrastructure design for misconfigurations, privilege escalation paths, and secrets handling.
  • Invoke grc-analyst to map architecture decisions to compliance controls.
  • Output: docs/threat-model.md, docs/infra-security-review.md

3. BUILD

  • Invoke dev-lead on every pull request or significant code change to enforce secure coding standards and review dependencies (SCA).
  • Invoke appsec-engineer to triage any SAST findings and provide remediation guidance.
  • Invoke cloud-platform-engineer to validate IaC changes (Terraform, Helm, etc.) and check for exposed secrets.
  • Output: inline PR comments, docs/sast-findings.md

Read the full file on GitHub · 198 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. 7d ago First seen · 198 lines · 2,116 tokens per session scan A 16ae97ab9323

Subscribe to this mod's changes

secure-sdlc-agents CLAUDE.md is an instructions file published in the GitHub repository Kaademos/secure-sdlc-agents (13 stars, last pushed 1mo ago), licensed MIT. It adds 2,116 tokens to every session, about $0.0106 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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