openspec-aware-chorus

openspec-aware-chorus is a skill for Claude Code, Codex from Chorus-AIDLC/Chorus. It costs 109 tokens per session (7,190 once invoked), scanned A, original, AGPL-3.0.

A workflow for creating OpenSpec change documents and copying them into Chorus drafts. OpenSpec is a way to describe proposed software changes in structured files before implementation.

In plain words
What is it for?
Checking whether the local OpenSpec command-line tool is available, creating files under openspec/changes/, and sending Markdown drafts to Chorus.
Why use it?
It helps teams keep a proposed change documented in both the local project and Chorus.

Skill for Claude CodeCodex

Which agent this was written for is unclear — body not stored (licence); the path alone says nothing.

Good fit Checking whether the local OpenSpec command-line tool is available, creating files under openspec/changes/, and sending Markdown drafts to Chorus.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/chorus-aidlc/chorus/openspec-aware-chorus
About the project

Chorus is a coordination harness for teams of coding agents and humans, combining agent orchestration, task tracking, permissions, observability, and recovery in one workflow. It is for collaborative software development where agents propose changes and people verify them before delivery, and the catalogue entries provide its skills, hooks, agents, commands, MCP integration, plugin, and configuration.

Chorus-AIDLC/Chorus · 1,161 stars · on GitHub · chorus-ai.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.

Any agent
npx skills add Chorus-AIDLC/Chorus --skill openspec-aware-chorus
Clone the repo
git clone --depth 1 https://github.com/Chorus-AIDLC/Chorus

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-aware-chorus

README.md
[![agentmods](https://agentmods.dev/badge/skills/chorus-aidlc/chorus/openspec-aware-chorus.svg)](https://agentmods.dev/skills/chorus-aidlc/chorus/openspec-aware-chorus)
Your own site
<a href="https://agentmods.dev/skills/chorus-aidlc/chorus/openspec-aware-chorus"><img src="https://agentmods.dev/badge/skills/chorus-aidlc/chorus/openspec-aware-chorus.svg" alt="Measured on agentmods" height="20"></a>
Per session 109 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,190 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Tool Misuse · line 349
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
How audits are shown
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00109 $0.07190
Opus 5 $0.00055 $0.03595
Sonnet 5 $0.00022 $0.01438
Haiku 4.5 $0.00011 $0.00719

Measured yesterday against content hash ee3c686904cf, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

openspec-aware-chorus scanned grade A with 1 finding 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

# No jq, no curl.
packages/chorus-dsh/skills/openspec-aware-chorus/SKILL.md · 468 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-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.

  1. yesterday Changed ee3c686904cf
  2. 3d ago Changed 15cc295ae45a
  3. 9d ago First seen · 468 lines · 109 tokens per session scan A 68fbbda94060

Subscribe to this mod's changes

openspec-aware-chorus is a skill published in the GitHub repository Chorus-AIDLC/Chorus (1,161 stars, last pushed today), licensed AGPL-3.0. It adds 109 tokens to every session and 7,190 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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