What is spec-driven-workflow?

A workflow for planning a substantial software change before implementation. It records a proposal, requirement changes, and a task checklist, then archives the work into the project's ongoing specifications.

Use it at the start of a non-trivial feature or change that needs documented requirements and an implementation checklist.

It creates agreement about what should change before implementation details make the work harder to revise.

spec-driven-workflow — Skill by dirge-code

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.

agentmods

npx agentmods add skills/dirge-code/dirge/spec-driven-workflow

Any agent

npx skills add dirge-code/dirge --skill spec-driven-workflow

Clone the repo

git clone --depth 1 https://github.com/dirge-code/dirge

Made for: Claude Code, Codex.

Per session 52 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 829 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin unknown 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.

Model	Per session	Once invoked
Fable 5	$0.00052	$0.00829
Opus 5	$0.00026	$0.00415
Sonnet 5	$0.00010	$0.00166
Haiku 4.5	$0.00005	$0.00083

Measured yesterday against content hash 7ab56e4805fc, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

spec-driven-workflow 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 yesterday.

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.

skills/spec-driven-workflow/SKILL.md · 81 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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.

yesterday First seen · 81 lines · 52 tokens per session scan A 7ab56e4805fc

Subscribe to this mod's changes

spec-driven-workflow is a skill published in the GitHub repository dirge-code/dirge (337 stars, last pushed yesterday), licensed GPL-3.0. It adds 52 tokens to every session and 829 once invoked, about $0.0003 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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