Comparison
agentsys vs ospec
Verdict
Pick agentsys if agentsys is an AI-driven system that automates code writing and tasks through plugins and agents, supporting multiple AI tools like Claude Code, OpenCode, Codex, Cursor, and Kiro; pick ospec if ospec, a spec-driven workflow framework for AI coding agents, employs iterative cycles of plans, actions, verification with evidence logged in the repository.
Markdown twin · agentsys alternatives · ospec alternatives
GraphCanon updated Sep 30, 2026
13views this month
Trust & integrity
| Signal | agentsys | ospec |
|---|---|---|
| Maintenance | Very active (6d since push) As of Sep 20, 2026 · github_public_v1 | Active (24d since push) As of Sep 20, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 20, 2026 · github_public_v1 | Not a fork · Personal account As of Sep 20, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | No lockfile (source not queried) As of Jul 11, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- agentsys
- AI writes code, automates tasks with plugins and agents
- ospec
- Spec-driven workflow framework for AI coding agents
Stars
- agentsys
- 985
- ospec
- 488
Forks
- agentsys
- 115
- ospec
- 24
Open issues
- agentsys
- 0
- ospec
- 0
Language
- agentsys
- JavaScript
- ospec
- JavaScript
Adopt for
- agentsys
- agentsys is an AI-driven system that automates code writing and tasks through plugins and agents, supporting multiple AI tools like Claude Code, OpenCode, Codex, Cursor, and Kiro.
- ospec
- ospec, a spec-driven workflow framework for AI coding agents, employs iterative cycles of plans, actions, verification with evidence logged in the repository.
Persona
- agentsys
- -
- ospec
- -
Runtime
- agentsys
- -
- ospec
- -
License
- agentsys
- MIT
- ospec
- MIT
Last pushed
- agentsys
- Sep 13, 2026
- ospec
- Aug 26, 2026
Categories
- agentsys
- AI Agents, Developer Tools
- ospec
- AI Agents, Developer Tools
Trust and health
Maintenance
- agentsys
- Very active (96%)
- ospec
- Active (82%)
Days since push
- agentsys
- 6d
- ospec
- 24d
Stars delta
- agentsys
- +23 (30d)
- ospec
- -36 (30d)
Owner type
- agentsys
- Organization
- ospec
- User
Full report
- agentsys
- Trust report
- ospec
- Trust report
Shared compatibility
- Node.js · agentsys: Node.js runtime · ospec: Node.js runtime
Choose agentsys if…
- Requirements: Requires Git and Node.js 18+.; For GitHub workflows, the GitHub CLI (`gh`) must be authenticated.; For GitLab workflows, the GitLab CLI (`glab`) must be authenticated.; For /repo-intel, agent-analyzer is installed automatically via npm..
- Tags unique to agentsys: agent, ai, automation, code-review.
- When you need to automate code writing and tasks with a wide range of AI tools, including Claude Code, OpenCode, Codex, Cursor, and Kiro.
When NOT to use agentsys
- If your project strictly requires a specific AI tool that is not supported by agentsys, such as a proprietary or niche AI tool.
- When you need a system that does not rely on JavaScript or Node.js 18+, as agentsys requires these technologies.
- If you are working in an environment where the installation of additional tools like the GitHub CLI, GitLab CLI, or agnix CLI is not feasible or allowed.
Choose ospec if…
- Tags unique to ospec: agentic-ai, coding-agents, llm, spec-driven-development.
- Use ospec when you prefer an agentic method that aligns well with JavaScript environments and want to ensure that your goals are verifiable through clear specifications and evidence.
When NOT to use ospec
- Avoid using ospec if your project requires integration with non-JavaScript languages or frameworks that are not compatible with its spec-driven development model.
- If real-time feedback loops are critical to the success of your AI coding agent, and you need more instantaneous verification processes than what ospec's structured iterations can provide.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (agent-sh/agentsys) · observed Sep 20, 2026
- GitHub forks (agent-sh/agentsys) · observed Sep 20, 2026
- Last push (agent-sh/agentsys) · observed Sep 13, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Sep 30, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (clawplays/ospec) · observed Sep 20, 2026
- GitHub forks (clawplays/ospec) · observed Sep 20, 2026
- Last push (clawplays/ospec) · observed Aug 26, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 15, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
GitHub stars on cards: agentsys 985 · ospec 488 (synced Sep 20, 2026).
Common questions
- What is the difference between agentsys and ospec?
- agentsys: AI writes code, automates tasks with plugins and agents. ospec: Spec-driven workflow framework for AI coding agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose agentsys over ospec?
- Choose agentsys over ospec when Requirements: Requires Git and Node.js 18+.; For GitHub workflows, the GitHub CLI (
gh) must be authenticated.; For GitLab workflows, the GitLab CLI (glab) must be authenticated.; For /repo-intel, agent-analyzer is installed automatically via npm.; Tags unique to agentsys: agent, ai, automation, code-review; When you need to automate code writing and tasks with a wide range of AI tools, including Claude Code, OpenCode, Codex, Cursor, and Kiro. - When should I choose ospec over agentsys?
- Choose ospec over agentsys when Tags unique to ospec: agentic-ai, coding-agents, llm, spec-driven-development; Use ospec when you prefer an agentic method that aligns well with JavaScript environments and want to ensure that your goals are verifiable through clear specifications and evidence.
- When should I avoid agentsys?
- If your project strictly requires a specific AI tool that is not supported by agentsys, such as a proprietary or niche AI tool. When you need a system that does not rely on JavaScript or Node.js 18+, as agentsys requires these technologies. If you are working in an environment where the installation of additional tools like the GitHub CLI, GitLab CLI, or agnix CLI is not feasible or allowed.
- When should I avoid ospec?
- Avoid using ospec if your project requires integration with non-JavaScript languages or frameworks that are not compatible with its spec-driven development model. If real-time feedback loops are critical to the success of your AI coding agent, and you need more instantaneous verification processes than what ospec's structured iterations can provide.
- Is agentsys or ospec more popular on GitHub?
- agentsys has more GitHub stars (985 vs 488). Stars measure visibility, not whether either tool fits your constraints.
- Are agentsys and ospec open source?
- Yes - both are open-source projects on GitHub (agentsys: MIT, ospec: MIT).
- Where can I find alternatives to agentsys or ospec?
- GraphCanon lists graph-backed alternatives at agentsys alternatives and ospec alternatives (agentsys markdown twin, ospec markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, agentsys or ospec?
- agentsys: Very active. ospec: Active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for agentsys and ospec?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: agentsys trust report; ospec trust report.