openspec-archive-change

openspec-archive-change is a skill for Claude Code from Fission-AI/OpenSpec. It costs 31 tokens per session (2,364 once invoked), scanned A, original, MIT.

A tool for moving one finished OpenSpec change into the archive. OpenSpec is a system for describing and tracking code changes with specification files.

In plain words
What is it for?
Finalising and archiving an implemented change, optionally from a selected standalone OpenSpec repository.
Why use it?
It gives completed work a final place after implementation and preserves the connection between a change and its main specification.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

About the project

OpenSpec is a specification-driven development framework that records software requirements and implementation plans as readable Markdown artifacts. It helps developers and AI coding assistants agree on what should be built before code is written, including work spanning multiple repositories. The catalogue add-ons provide workflow skills and instructions for using OpenSpec.

Fission-AI/OpenSpec · 67,397 stars · on GitHub · openspec.dev

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/fission-ai/openspec/openspec-archive-change
Any agent
npx skills add Fission-AI/OpenSpec --skill openspec-archive-change
Clone the repo
git clone --depth 1 https://github.com/Fission-AI/OpenSpec

Made for: Claude Code.

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-archive-change

README.md
[![agentmods](https://agentmods.dev/badge/skills/fission-ai/openspec/openspec-archive-change.svg)](https://agentmods.dev/skills/fission-ai/openspec/openspec-archive-change)
Your own site
<a href="https://agentmods.dev/skills/fission-ai/openspec/openspec-archive-change"><img src="https://agentmods.dev/badge/skills/fission-ai/openspec/openspec-archive-change.svg" alt="Measured on agentmods" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,364 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 $0.00031 $0.02364
Opus 5 $0.00015 $0.01182
Sonnet 5 $0.00006 $0.00473
Haiku 4.5 $0.00003 $0.00236

Measured 6d ago against content hash 3ad0def4d299, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

openspec-archive-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 6d 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

Copies of this mod

8 near-identical copies found in the catalogue:

skills/openspec-archive-change/SKILL.md · 182 lines

How it starts

The opening of the file, as written. The whole thing — 182 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Archive a completed change in the experimental workflow.

Store selection: If the user names a store (a store is a standalone OpenSpec repo registered on this machine) or the work lives in one, run openspec store list --json to discover registered store ids, then pass --store <id> on the commands that read or write specs and changes (new change, status, instructions, list, show, validate, archive, doctor, context, schemas, view). Once selected, treat --store <id> as sticky for the rest of the workflow. Every unscoped example of those commands below is shorthand: before running it, append the flag. For example, run openspec status --change "<name>" --json --store "<id>", not the unscoped form shown below. Other commands do not take the flag. Hints printed by commands already carry the flag; keep it on follow-ups. Without a store, commands act on the nearest local openspec/ root.

<capability-path> is the spec directory relative to specs/ (for example, user-auth or identity/user-auth). Preserve the full path from each delta spec when resolving its main spec.

Input: Optionally specify a change name. If omitted, check if it can be inferred from conversation context. If vague or ambiguous you MUST prompt for available changes.

Steps

  1. Select the change

    If a name is provided, use it. Otherwise:

    • Infer from conversation context if the user mentioned a change
    • Auto-select if only one active change exists
    • If ambiguous, run openspec list --json to get available changes and ask the user to select one

    When prompting, show only active changes (not already archived). Include the schema used for each change if available.

    Always announce: "Using change: " and how to override (e.g., /openspec-archive-change <other>).

    Load current archive inputs before the existing archive checks:

    After resolving the selected change and planning root, run:

    openspec instructions archive --change "<name>" --json
    

    Keep the same selected-root flags on this command. This lookup is advisory and optional: it only supplies extra prompt inputs, so it must never block archiving. If it exits non-zero or returns invalid JSON — for example on an older CLI that does not support this command yet — continue the archive workflow with no context and no operation guidance. Do not report an error and do not stop.

    A successful response may omit both optional fields. Treat context as a required prompt-level input: read and consider it, and apply relevant project facts, conventions, and constraints. Treat operationGuidance as optional additive advice: read and consider every entry, and follow entries that are applicable and compatible with the built-in archive workflow.

    Keep both fields separate from built-in steps, explicit user choices, resolved paths, CLI checks, and command contracts. If context conflicts with one of those controlling inputs, report the conflict and preserve the controlling value. If guidance is inapplicable or conflicts with a controlling input, do not follow it and explain why. Do not infer replacement paths, skipped prompts, or flags from either field, and do not copy their text verbatim into specs, change artifacts, or archive summaries unless the user separately asks for it. These are prompt-level behavior contracts, not enforceable checks.

  2. Check artifact completion status

    Run openspec status --change "<name>" --json to check artifact completion.

    Parse the JSON to understand:

    • schemaName: The workflow being used
    • planningHome, changeRoot, artifactPaths, and actionContext: path and scope context
    • artifacts: List of artifacts with their status (done, skipped, or other)

    If any artifacts are neither done nor skipped (skipped artifacts satisfy the requirement - the change declares skip_specs):

    • Display warning listing incomplete artifacts
    • Ask the user to confirm they want to proceed
    • Proceed if user confirms

Read the full file on GitHub · 182 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. 6d ago First seen · 182 lines · 31 tokens per session scan A 3ad0def4d299

Subscribe to this mod's changes

openspec-archive-change is a skill published in the GitHub repository Fission-AI/OpenSpec (67,397 stars, last pushed yesterday), licensed MIT. It adds 31 tokens to every session and 2,364 once invoked, about $0.0002 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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