sdlc

sdlc is a skill for Codex from HoangNguyen0403/agent-skills-standard. It costs 22 tokens per session (1,624 once invoked), scanned A, original, MIT.

A router that selects the next step in a software delivery process from the requirements, specifications, tickets, and repository state already available.

In plain words
What is it for?
It is for moving work through software-development stages and keeping the handoff between requirements, planning, design, and delivery traceable.
Why use it?
It prevents teams from starting the wrong workflow or losing context between business requirements, product planning, technical design, and implementation.

Skill for Codex

Written for Codex: installed under .codex/.

Good fit It is for moving work through software-development stages and keeping the handoff between requirements, planning, design, and delivery traceable.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/hoangnguyen0403/agent-skills-standard/sdlc
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.

Any agent
npx skills add HoangNguyen0403/agent-skills-standard --skill sdlc
Clone the repo
git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard

Made for: Codex.

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

README.md
[![agentmods](https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/sdlc/github.svg)](https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/sdlc)
Your own site
<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/sdlc"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/sdlc/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

Your own site · 80×15
<a href="https://agentmods.dev/skills/hoangnguyen0403/agent-skills-standard/sdlc"><img src="https://agentmods.dev/badge/skills/hoangnguyen0403/agent-skills-standard/sdlc.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 22 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,624 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00022 $0.01624
Opus 5 $0.00011 $0.00812
Sonnet 5 $0.00004 $0.00325
Haiku 4.5 $0.00002 $0.00162

Measured 5d ago against content hash 59d92a3fc2c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

sdlc 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 5d 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.

.codex/skills/sdlc/SKILL.md · 114 lines

How it starts

The opening of the file, as written. The whole thing — 114 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Sdlc Skill

[!IMPORTANT] Route a task to the next synced SDLC workflow based on current artifacts and repo state.

Optional args: slug=, ticket=<id/url>, mode=interactive|autonomous|channel, channel=, auto_continue=true|false, profile=business|hybrid|technical.

Instructions

When the user asks to perform this workflow, execute the following steps:

SDLC Router Workflow

Goal: Select the next native workflow without loading every workflow body, while preserving a traceable BA -> PM -> IT Department handoff for offshore delivery.

Steps

  1. Inspect state:

    • User request; infer operator_profile (business | hybrid | technical) per common-operator-profile and carry it in every Handoff Payload.
    • Search docs/brd/, docs/prd/, and docs/srs/ for a matching [slug]; if absent, use the newest BRD or git status. Slug = lowercase kebab-case, minted once at brainstorm-feature, reused verbatim downstream; never re-derived.
    • If multiple candidates exist, list them and ask whether to focus, consolidate, or sequence.
    • Baseline reference: docs/requirements-standards-baseline.md
    • Existing ticket, BRD-lite brief, PRD, SRS/FRS design, implementation plan, task list, walkthrough, UAT signoff, deployment report, release notes, and retro
    • Jira, ADO, Zephyr, or other MCP context when already configured
    • Changed files and current test status
    • Offshore delivery context: business owner, product owner, implementation owners, QA owner, timezone/cadence constraints, environments, release window, and dependency teams
    • Requirement trace health: BRD-OBJ-* -> REQ-* -> AC-* -> SRS-* -> test evidence
  2. Choose next workflow (apply tie-break order when multiple bullets match: (1) workflow explicitly named by the operator or by the latest recommended_next_workflow, (2) production-incident/urgent-regression signals, (3) earliest missing artifact along the chain below — never skip forward past a gap, (4) cross-cutting audits only on request or as a pre-release gate):

    • Unclear idea, missing business case, missing stakeholder owner, or missing measurable value (BRD-lite / Why, BA-owned intake) -> brainstorm-feature
    • BRD-lite exists or business direction is clear but product scope, priorities, acceptance criteria, rollout, or delivery plan are unclear (PRD / What, PM-owned planning) -> plan-feature
    • Scale, topology, capacity, or store choice unsettled, or an existing system needs an architecture audit -> system-design-session
    • PRD exists but technical behavior/contracts unclear (SRS/FRS / How) -> design-solution
    • Architecture, auth, trust boundaries, compliance controls, or agent/runtime safety need deeper technical validation -> design-solution
    • BRD-lite, PRD, or SRS/FRS exists but readiness unclear -> implementation-readiness
    • Approved plan with BRD/PRD/SRS trace and testable ACs needs code -> implement-feature
    • Production incident or urgent regression -> incident-hotfix
    • Bug ticket needs fix (non-urgent) -> dev-fix
    • Ticket or cross-functional change needs specialist fanout, AC coverage, and PR metadata review -> review-ticket
    • Design arrives as an artifact (diagram, doc, board export, IaC) and needs review -> review-system-design
    • PR diff needs focused merge-risk review -> code-review
    • Implementation GREEN but ACs lack executable E2E/mobile coverage, or an E2E suite is red after a previously green slice -> test-loop.
    • Code complete but unproven -> verify-work
    • Fix implemented and ticket has a UAT/Jira flow -> verify-bug
    • verify-work PASS on a feature, business acceptance not yet granted -> uat-signoff
    • Business acceptance granted and release window open -> deploy-release
    • Deployed and needs user-facing communication -> publish-notes
    • Trace health unknown before release or handoff -> traceability-audit
    • Session ending with unfinished work or context handoff -> session-report
    • Deployed or communicated, capture standards/process lessons -> retro-learn
    • Repo-wide health/debt question with no single feature in scope -> codebase-review

Read the full file on GitHub · 114 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. 5d ago Changed · +1 lines 59d92a3fc2c5
  2. 9d ago First seen · 113 lines · 22 tokens per session scan A 9ebb258e0544

Subscribe to this mod's changes

sdlc is a skill published in the GitHub repository HoangNguyen0403/agent-skills-standard (565 stars, last pushed 3d ago), licensed MIT. It adds 22 tokens to every session and 1,624 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 2026-09-03.