Repository
Fission-AI/OpenSpec agent skills
- skills
- 3
- GitHub stars
- 71k
GitHub description: “Spec-driven development (SDD) for AI coding assistants.”
- Stars
- 71,184 (4,875 forks)
- Licence
- MIT
- Last push
- Oct 2026
- Created
- Aug 2025
- Homepage
- openspec.dev
- spec
- ai
- context-engineering
- engineering
- planning
- prd
- sdlc
- spec-driven-development
- specification
- sdd
Install all skills
npx skills add Fission-AI/OpenSpecAdd --skill <name> for a single skill and -a <agent> to choose the agent (see the agent guides).
Skills in Fission-AI/OpenSpec, ranked
Ranked by score. Sort bymost stars,trending,newest,recently updated
| # | Skill | Repository | Stars | Used in | Tokens | Auto-check | Licence | Updated |
|---|---|---|---|---|---|---|---|---|
| 1 | Walks you through a complete OpenSpec workflow cycle with narration while doing real work in your codebase. | Fission-AI/ | 71k | 1 repo | ~4.5k | Automated safety check: Pass | MIT | 2 days ago |
| 2 | Verify implementation matches OpenSpec change artifacts. An agent skill from Fission-AI/OpenSpec. | Fission-AI/ | 71k | 2 repos | ~4.6k | Automated safety check: Pass | MIT | 2 days ago |
| 3 | Archives several completed OpenSpec changes in one operation, checking the codebase to resolve spec conflicts rather than archiving blindly. | Fission-AI/ | 71k | 2 repos | ~5.6k | Automated safety check: Pass | MIT | 2 days ago |
Questions, answered from the data.
What is the best skill in Fission-AI/OpenSpec?
OpenSpec Guided Onboarding from Fission-AI/OpenSpec ranks first of the 3 skills in Fission-AI/OpenSpec listed here, with the highest score: its repository has 71k GitHub stars, 1 other GitHub owner carry a copy, its SKILL.md loads about 4.5k tokens and it passes the automated safety check with no findings. Next come Openspec Verify Change and OpenSpec Bulk Change Archiver.
Are the skills in Fission-AI/OpenSpec official?
None yet. All 3 skills in Fission-AI/OpenSpec listed here come from community repositories; a skill counts as official when the product's own GitHub organization publishes it.
How do I install all skills from Fission-AI/OpenSpec?
Run npx skills add Fission-AI/OpenSpec in your project: the open-source skills CLI installs the repository's skills into your coding agent's skills folder. To install a single skill, open its page here for the exact command.
How are these skills ranked?
By Skill Navigator score, which combines the GitHub stars of the skill's repository (shared across that repo's skills and discounted for large collections), how many other GitHub owners carry a copy of the skill, and automated SKILL.md quality checks, minus penalties for safety-check warnings and for each further skill from the same repository. Skills that fail the safety check are not listed.