spec-revise

spec-revise is a skill for Claude Code from shrekshrek/project-workflow. It costs 50 tokens per session (268 once invoked), scanned A, original, MIT.

A workflow for revising an accepted software specification when the agreed behavior changes. It updates the related decisions, acceptance criteria, notes, and architecture records where needed.

In plain words
What is it for?
Use it to revise an active feature's specification, plan, tasks, acceptance details, and applicable architecture decision records without changing unrelated history.
Why use it?
It keeps project documentation aligned after a requirement is corrected, rejected, removed, or replaced. This prevents the implementation contract from describing behavior the team no longer wants.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_PLUGIN_ROOT} variable. Also seen: mentions AGENTS.md.

Runs only inside its plugin — its command needs a path that Claude Code sets for a plugin’s own hooks and for nothing else. Install the plugin, not this.

Part of the project-workflow plugin — 9 skills, 6 agents shipped together

Install

Getting it into your agent

This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.

Claude Code
/plugin marketplace add shrekshrek/project-workflow
Claude Code
/plugin install project-workflow

Made for: Claude Code.

Or install project-workflow, the plugin that ships this one along with the rest of its 9 skills, 6 agents.

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 spec-revise

README.md
[![agentmods](https://agentmods.dev/badge/skills/shrekshrek/project-workflow/spec-revise.svg)](https://agentmods.dev/skills/shrekshrek/project-workflow/spec-revise)
Your own site
<a href="https://agentmods.dev/skills/shrekshrek/project-workflow/spec-revise"><img src="https://agentmods.dev/badge/skills/shrekshrek/project-workflow/spec-revise.svg" alt="Measured on agentmods" height="20"></a>
Per session 50 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 268 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00050 $0.00268
Opus 5 $0.00025 $0.00134
Sonnet 5 $0.00010 $0.00054
Haiku 4.5 $0.00005 $0.00027

Measured 5d ago against content hash 2b0ff1de52e7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

spec-revise 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.

adapters/claude/skills/spec-revise/SKILL.md · 22 lines

What it actually says

Spec Revise

Match the user's language and preserve file language. Read ${CLAUDE_PLUGIN_ROOT}/docs/actions/spec-revise.md completely before acting; it owns the revision workflow and contract.

Claude execution details:

  • Resolve $ARGUMENTS through the shared active-feature rules and apply the canonical record/lifecycle routing.
  • Read root/applicable nested AGENTS.md, recomputing applicability if the affected module population changes.
  • When canonical ADR_REQUIRED applies, search only relevant ADR metadata/references and instantiate only from ${CLAUDE_PLUGIN_ROOT}/template/docs/adr/0000-template.md.
  • Apply the canonical revision workflow under the current authorization.
  • Dispatch a fresh decision-completeness-auditor only at its narrowed canonical boundary, with fallback under the shared execution contract. Blocking or unreliable audit evidence prevents apply.
  • Apply the authorized revision without restoring via checkout, rewriting unrelated history, or committing.

Report the canonical revision result and applicable Reviewer execution without adding an adapter-specific schema.

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 First seen · 22 lines · 50 tokens per session scan A 2b0ff1de52e7

Subscribe to this mod's changes

spec-revise is a skill published in the GitHub repository shrekshrek/project-workflow (2 stars, last pushed 2d ago), licensed MIT. It adds 50 tokens to every session and 268 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 2026-08-31.

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