openspec-continue-change

openspec-continue-change is a skill for Claude Code, Codex from Fission-AI/OpenSpec. It costs 39 tokens per session (1,535 once invoked), scanned A, original, MIT.

A workflow step for continuing an OpenSpec change by creating its next required document. OpenSpec is a system for describing and tracking code changes with specification files.

In plain words
What is it for?
Progressing a change through its workflow, creating the next artifact, and selecting the correct change or repository.
Why use it?
It removes the guesswork about which document or step should come next in an ongoing change.

Skill for Claude CodeCodex

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

Made for: Claude Code, 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 openspec-continue-change

README.md
[![agentmods](https://agentmods.dev/badge/skills/fission-ai/openspec/openspec-continue-change.svg)](https://agentmods.dev/skills/fission-ai/openspec/openspec-continue-change)
Your own site
<a href="https://agentmods.dev/skills/fission-ai/openspec/openspec-continue-change"><img src="https://agentmods.dev/badge/skills/fission-ai/openspec/openspec-continue-change.svg" alt="Measured on agentmods" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,535 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 $0.00039 $0.01535
Opus 5 $0.00019 $0.00767
Sonnet 5 $0.00008 $0.00307
Haiku 4.5 $0.00004 $0.00153

Measured 4d ago against content hash 5120ec867288, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

openspec-continue-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 4d 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-continue-change/SKILL.md · 118 lines

How it starts

The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Continue working on a change by creating the next artifact.

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.

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 sorted by most recently modified, and ask the user to select one

    When prompting, present the top 3-4 most recently modified changes as options, showing:

    • Change name
    • Schema (from schema field if present, otherwise "spec-driven")
    • Status (e.g., "0/5 tasks", "complete", "no tasks")
    • How recently it was modified (from lastModified field)

    Mark the most recently modified change as "(Recommended)" since it's likely what the user wants to continue.

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

  2. Check current status

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

    Parse the JSON to understand current state. The response includes:

    • schemaName: The workflow schema being used (e.g., "spec-driven")
    • artifacts: Array of artifacts with their status ("done", "skipped", "ready", "blocked")
    • isPlanningComplete: Boolean indicating if all planning artifacts are complete. Older CLI versions expose the same value as isComplete.
    • planningHome, changeRoot, artifactPaths, and actionContext: path and scope context. Use these instead of assuming repo-local paths.
  3. Act based on status:


    If all planning artifacts are complete (isPlanningComplete: true, or legacy isComplete: true):

    • Congratulate the user
    • Show final status including the schema used
    • Suggest: "Planning is complete! You can now implement this change. Once implementation and any tracked work are complete, archive it."
    • STOP

    If artifacts are ready to create (status shows artifacts with status: "ready"):

    • Pick the FIRST artifact with status: "ready" from the status output
    • Get its instructions:
      openspec instructions <artifact-id> --change "<name>" --json
      
    • Parse the JSON. The key fields are:
      • 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
      • resolvedOutputPath: Resolved path or pattern to write the artifact
      • dependencies: Completed artifacts to read for context (entries with skipped: true have no files - do not look for them)
      • skipped/warning: present when the change declares skip_specs and this artifact must NOT be created - pick another artifact
    • Create the artifact file:
      • Read any completed dependency files for context - always re-read them from disk, even if you saw them earlier in the conversation (the user may have edited them)
      • If the instruction field delegates creation to a specific skill or command, invoke it to produce the artifact instead of writing the file yourself, then verify the artifact file exists at resolvedOutputPath
      • Otherwise use template as the structure - fill in its sections
      • Apply context and rules as constraints when writing - but do NOT copy them into the file
      • Write to the resolvedOutputPath specified in instructions. If it is a glob pattern, choose the concrete file path using the schema instruction and the change's context
    • Show what was created and what's now unlocked
    • STOP after creating ONE artifact

Read the full file on GitHub · 118 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. 4d ago First seen · 118 lines · 39 tokens per session scan A 5120ec867288

Subscribe to this mod's changes

openspec-continue-change is a skill published in the GitHub repository Fission-AI/OpenSpec (66,949 stars, last pushed 2d ago), licensed MIT. It adds 39 tokens to every session and 1,535 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.