Comet is a resumable workflow and skill platform for coding tasks, covering requirements work as well as skill creation, evaluation, and release. It supports separate Native and Classic workflows and can coordinate implementation and verification across isolated Git worktrees. The catalogue contains skills and instructions that implement Comet-related workflows.
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.
npx skills add rpamis/comet --skill comet-classic-039git clone --depth 1 https://github.com/rpamis/cometWrote 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.
[](https://agentmods.dev/skills/rpamis/comet/comet-classic-039)<a href="https://agentmods.dev/skills/rpamis/comet/comet-classic-039"><img src="https://agentmods.dev/badge/skills/rpamis/comet/comet-classic-039/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/rpamis/comet/comet-classic-039"><img src="https://agentmods.dev/badge/skills/rpamis/comet/comet-classic-039.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
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 →
- medium Excessive Agency · line 136 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00044 | $0.04092 |
| Opus 5 | $0.00022 | $0.02046 |
| Sonnet 5 | $0.00009 | $0.00818 |
| Haiku 4.5 | $0.00004 | $0.00409 |
Grade A, and why
comet 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 10d 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.
How it starts
The opening of the file, as written. The whole thing — 283 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Comet — OpenSpec + Superpowers Dual-Star Development Workflow
OpenSpec and Superpowers orbit the same goal like a binary star system.
OpenSpec handles WHAT — outline, proposal, spec lifecycle, archive
Superpowers handles HOW — technical design, planning, execution, closing
Core principle: brainstorming cannot be skipped. Every change must undergo deep design (except hotfix and tweak presets).
Decision Core
Agents need only read this section for decision-making. Refer to the Reference Appendix as needed.
Output Language Rule
Use the language of the user request that triggered this workflow as the default output language. When resuming an existing change with a clear dominant artifact language, preserve that language unless the user explicitly asks to switch.
Automatic Phase Detection
Step 0: Active Change Discovery and Intent Detection
- Detect presets first; if hotfix/tweak matches, invoke the corresponding preset skill directly and do not enter the normal open branch
- When no preset matches, run
openspec list --jsonto get all active changes
Preset detection has highest priority:
- User explicitly describes a bug fix / hotfix + meets hotfix conditions → directly invoke
/comet-hotfix - User explicitly describes copy/config/docs/prompt small adjustment + meets tweak conditions → directly invoke
/comet-tweak - No preset match → follow the table below
| Active changes | User input | Behavior |
|---|---|---|
| None | non-preset input | → Invoke /comet-open |
| Exactly 1 | /comet <description> |
→ Ask: continue this change or create a new change |
| Multiple | /comet <description> |
→ Ask: continue existing or create new; if continuing, list changes for selection |
| Exactly 1 | /comet with no description |
→ Auto-select, enter Step 1 |
| Multiple | /comet with no description |
→ List changes for user selection |
What ships with it
16 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- reference/auto-transition.md 1.4 KB
- reference/comet-yaml-fields.md 3.6 KB
- reference/context-recovery.md 1.9 KB
- reference/debug-gate.md 1.1 KB
- reference/decision-point.md 1.2 KB
- reference/dirty-worktree.md 3.5 KB
- reference/file-structure.md 1.3 KB
- reference/subagent-dispatch.md 9.1 KB
- rules/comet-phase-guard.md 7.2 KB
- scripts/comet-archive.sh 7.1 KB runs code
- scripts/comet-env.sh 3.3 KB runs code
- scripts/comet-guard.sh 23 KB runs code
- scripts/comet-handoff.sh 10 KB runs code
- scripts/comet-hook-guard.sh 12 KB runs code
- scripts/comet-state.sh 44 KB runs code
- scripts/comet-yaml-validate.sh 6.7 KB runs code
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.
- 10d ago First seen · 283 lines · 44 tokens per session scan A 14a23f304f94
comet is a skill published in the GitHub repository rpamis/comet (2,988 stars, last pushed today), licensed MIT. It adds 44 tokens to every session and 4,092 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.
Other skills, from other repositories
agent-spec-estimate
An effort-estimation method for agent-spec Task Contracts, which are structured descriptions of software work. It estimates work in rounds, meaning cycles of an AI agent doing and checking tasks.
agent-spec-intent-compiler
Use when converting PRD or issue prose into KLL requirements, running the intent compiler plan, or reverse-interviewing a human to resolve requirement ambiguity before task spec generation.
push-ci
Push to remote and monitor CI. Validates branch safety, executes git push WITH explicit user approval, then monitors CI run status via gh CLI. Use when: user says 'push', 'push and watch CI', 'ship it', 'push-ci'. Not for: committing (use /smart-commit), creating PRs (use /create-pr), merging (use /merge-prep).
codex-setup
Initialize sd0x-dev-flow infrastructure for Codex CLI and other non-Claude agents. Generates AGENTS.md, installs the commit-msg hook, copies runner scripts. The pre-push gate is opt-in via --with-push-gate. Use when setting up a new project or after updating skills.
create-request
Create, update, or scan per-task request tickets for progress tracking. These are date-prefixed non-lifecycle docs under requests/, NOT feature-level requirements (use /req-analyze for those). Use when: tracking task progress, updating completion status, scanning incomplete requests, checking request status dashboard.…
smart-rebase
Smart partial rebase for squash-merge repositories. Auto-detect which commits to keep/drop when base branch was squash-merged into target. Use when: user says 'rebase', 'partial rebase', 'base already merged', 'smart rebase', or /smart-rebase. Not for: simple git rebase (the developer runs it — Claude never executes…