openspec-ff-change

openspec-ff-change is a skill for Claude Code, Codex from justinjdev/fellowship. It costs 34 tokens per session (977 once invoked), scanned A, a copy of openspec-ff-change, Apache-2.0.

A fast workflow for creating all OpenSpec documents needed before implementation. OpenSpec documents can include a proposal, design, specification, and task list.

In plain words
What is it for?
Deriving a change name, creating its OpenSpec folder, checking required documents, and generating the artifacts needed to begin implementation.
Why use it?
It reduces the number of planning steps needed to prepare a well-defined change for development.

Skill for Claude CodeCodex

Part of the fellowship plugin — 20 skills, 19 commands, 6 agents, 3 hooks shipped together

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/justinjdev/fellowship/openspec-ff-change
Any agent
npx skills add justinjdev/fellowship --skill openspec-ff-change
Clone the repo
git clone --depth 1 https://github.com/justinjdev/fellowship

Made for: Claude Code, Codex.

Or install fellowship, the plugin that ships this one along with the rest of its 20 skills, 19 commands, 6 agents, 3 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 openspec-ff-change

README.md
[![agentmods](https://agentmods.dev/badge/skills/justinjdev/fellowship/openspec-ff-change.svg)](https://agentmods.dev/skills/justinjdev/fellowship/openspec-ff-change)
Your own site
<a href="https://agentmods.dev/skills/justinjdev/fellowship/openspec-ff-change"><img src="https://agentmods.dev/badge/skills/justinjdev/fellowship/openspec-ff-change.svg" alt="Measured on agentmods" height="20"></a>
Per session 34 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 977 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 100% copy Near-identical to another mod 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 $0.00034 $0.00977
Opus 5 $0.00017 $0.00489
Sonnet 5 $0.00007 $0.00195
Haiku 4.5 $0.00003 $0.00098

Measured 3d ago against content hash 3cc7ec17d00a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

openspec-ff-change 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 3d 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.

Origin

This is a copy

100% identical to openspec-ff-change — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.claude/skills/openspec-ff-change/SKILL.md · 102 lines

How it starts

The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fast-forward through artifact creation - generate everything needed to start implementation in one go.

Input: The user's request should include a change name (kebab-case) OR a description of what they want to build.

Steps

  1. If no clear input provided, ask what they want to build

    Use the AskUserQuestion tool (open-ended, no preset options) to ask:

    "What change do you want to work on? Describe what you want to build or fix."

    From their description, derive a kebab-case name (e.g., "add user authentication" → add-user-auth).

    IMPORTANT: Do NOT proceed without understanding what the user wants to build.

  2. Create the change directory

    openspec new change "<name>"
    

    This creates a scaffolded change at openspec/changes/<name>/.

  3. Get the artifact build order

    openspec status --change "<name>" --json
    

    Parse the JSON to get:

    • applyRequires: array of artifact IDs needed before implementation (e.g., ["tasks"])
    • artifacts: list of all artifacts with their status and dependencies
  4. Create artifacts in sequence until apply-ready

    Use the TodoWrite tool to track progress through the artifacts.

    Loop through artifacts in dependency order (artifacts with no pending dependencies first):

    a. For each artifact that is ready (dependencies satisfied):

    • Get instructions:
      openspec instructions <artifact-id> --change "<name>" --json
      
    • The instructions JSON includes:
      • context: Project background (constraints for you - do NOT include in output)
      • rules: Artifact-specific rules (constraints for you - do NOT include in output)
      • template: The structure to use for your output file
      • instruction: Schema-specific guidance for this artifact type
      • outputPath: Where to write the artifact
      • dependencies: Completed artifacts to read for context
    • Read any completed dependency files for context
    • Create the artifact file using template as the structure
    • Apply context and rules as constraints - but do NOT copy them into the file
    • Show brief progress: "✓ Created "

    b. Continue until all applyRequires artifacts are complete

    • After creating each artifact, re-run openspec status --change "<name>" --json
    • Check if every artifact ID in applyRequires has status: "done" in the artifacts array
    • Stop when all applyRequires artifacts are done

    c. If an artifact requires user input (unclear context):

    • Use AskUserQuestion tool to clarify
    • Then continue with creation
  5. Show final status

    openspec status --change "<name>"
    

Output

After completing all artifacts, summarize:

  • Change name and location
  • List of artifacts created with brief descriptions
  • What's ready: "All artifacts created! Ready for implementation."
  • Prompt: "Run /opsx:apply or ask me to implement to start working on the tasks."

Artifact Creation Guidelines

  • Follow the instruction field from openspec instructions for each artifact type
  • The schema defines what each artifact should contain - follow it
  • Read dependency artifacts for context before creating new ones
  • Use template as the structure for your output file - fill in its sections
  • IMPORTANT: context and rules are constraints for YOU, not content for the file
    • Do NOT copy <context>, <rules>, <project_context> blocks into the artifact
    • These guide what you write, but should never appear in the output

Guardrails

  • Create ALL artifacts needed for implementation (as defined by schema's apply.requires)
  • Always read dependency artifacts before creating a new one
  • If context is critically unclear, ask the user - but prefer making reasonable decisions to keep momentum
  • If a change with that name already exists, suggest continuing that change instead
  • Verify each artifact file exists after writing before proceeding to next

Read the full file on GitHub · 102 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. 3d ago First seen · 102 lines · 34 tokens per session scan A 3cc7ec17d00a

Subscribe to this mod's changes

openspec-ff-change is a skill published in the GitHub repository justinjdev/fellowship (5 stars, last pushed 21d ago), licensed Apache-2.0. It adds 34 tokens to every session and 977 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to openspec-ff-change, differing in 2 lines, and is treated as a copy.

Related

Other skills, from other repositories

continuous-learning

ProductionOS instinct-based learning system. Observes sessions via hooks, extracts patterns, creates atomic instincts with confidence scoring, and auto-promotes high-confidence patterns across projects.

ShaheerKhawaja/ProductionOS · 36 tokens

productionos

ProductionOS — dual-target AI engineering operating system for repo-wide audits, upgrade plans, code reviews, strategic product reviews, security sweeps, UX audits, and recursive quality improvement.

ShaheerKhawaja/ProductionOS · 39 tokens

frontend-audit

ProductionOS frontend quality scanner. Auto-activates when editing React/Vue/Svelte components, CSS, or layout files. Checks accessibility, responsive design, performance, and design system consistency.

ShaheerKhawaja/ProductionOS · 42 tokens

security-scan

ProductionOS security scanner. Auto-activates when editing auth, payment, credential, or admin files. Runs OWASP Top 10 checks, dependency audit, and secret detection.

ShaheerKhawaja/ProductionOS · 40 tokens

roadmap

Ongoing entry point for a project's ROADMAP.jsonl. Pick the next task to work on (ranks candidates deterministically by dependencies and file-touch collisions, shows why each is where it is, then crafts a self-contained handoff prompt), add a new task, correct a stale one, review roadmap status, or check the roadmap's…

V-Songbird/foreman · 74 tokens

ai-instruction-detox

AI 指令排毒與規則治理:把散落在 CLAUDE.md、AGENTS.md、skills、context、memory 的規則 原子化、查衝突、去重複、找過時、揪 Prompt Injection,產出可套用的精簡架構與回復方案。 觸發時機:用戶說「指令排毒」「規則太亂」「CLAUDE.md 太長」「規則互相矛盾」「上下文減肥」 「AI 設定治理」「多個 Agent 規則分裂」「context 膨脹」,或要求審查/清理 AI 指令檔。 不要觸發:一般程式重構、產品程式碼審查、單純想縮短一份文件(那是編輯不是治理)。.

mars-tw/ai-instruction-detox · 188 tokens