OpenSpec: The Spec Framework for Coding Agents
27k+ stars. The open-source spec layer for AI-assisted development
Details
- External ID
- 98556
- Source
- YC
- Company
- OpenSpec
- Product
- OpenSpec: The Spec Framework for Coding Agents
- Website domain
- openspec.dev
- Launched
- March 6, 2026
- Cohort
- Winter 2026
- Upvotes
- 77
- Upvotes percentile
- 0.9239130434782609
- Tags
- —
- Fetched at
- Sept. 30, 2026, 5 p.m.
- Updated at
- Sept. 30, 2026, 5 p.m.
Enrichment
- Theme
- AI coding agents and developer tools
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- AI-native
- Project type
- Hobby / open-source project
- Normalized one-liner
- spec framework for ai coding agents
- Manually corrected
- False
Could you build this?
Yes OpenSpec is a specification framework and CLI/agent tooling layer for defining and checking requirements against agentic code generation, which can be implemented as standard markdown/AST parsers and prompt pipelines.
Competitors
Other products that read as similar to this one — 2556 launches clear the similarity bar, closest 8 shown.
Attention rank: #195 of 2557 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 128 days after the earliest competitor.
- Codingagents.md · hn · 2026-02-11 · 5 upvotes · similarity 0.78
- Unspaghettit · hn · 2026-05-27 · 5 upvotes · similarity 0.77
- jolo · github · 2026-09-10 · 30 upvotes · similarity 0.75
- Excalibur. The open-source AI coding agent for product engineers · hn · 2026-07-06 · 7 upvotes · similarity 0.75
- coding-agent · github · 2026-09-19 · 76 upvotes · similarity 0.75
- Loom, an open-source delivery harness for coding agents · hn · 2026-06-10 · 5 upvotes · similarity 0.74
- CodexDesk · github · 2026-09-23 · 223 upvotes · similarity 0.74
- Zerminal · hn · 2026-05-04 · 5 upvotes · similarity 0.74
Other launches for this product
- No other launches for this product.
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