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SpecDeck
SpecDeck is an AI-assisted platform that keeps project context, requirements, and acceptance criteria together for teams and agents.
SpecDeck provides spec-driven development for humans and AI agents, keeping project context, requirements, and acceptance criteria together. Product decisions move into reviewed specs that give your team and agents the full context to build from. Product colleagues can use a built-in AI assistant in the browser to draft requirements, catch conflicting decisions, and refine specs without using coding tools. The platform supports agent integrations including Claude Code, Codex, OpenCode, and OpenClaw. Teams can capture project terminology, technical context, and decisions once in a shared spec library.
SpecDeck at a glance
- Best for: Software engineer, Product manager
- Runs on: Web
- Pricing: Free plan for up to 3 people; Organizations free for 14 days with up to 10 members
- Released: October 2026
- Category: AI coding tool
- Website: specdeck.ai
Key features
- Visual spec editor runs in the browser
- Feature specs and foundational docs
- Verification built in with acceptance criteria
- Integrates with Claude Code, Codex, OpenCode, and OpenClaw
- Built-in Assistant for drafting requirements
- Shared spec library for glossary and decisions
- Spec templates for the whole team
- AI search for people and agents
Use it for
- Turn product decisions into reviewed specs for coding agents
- Draft requirements and refine specs using a built-in AI assistant
- Capture project terminology and technical context in a shared library
- Verify completed work against acceptance criteria checklists
Alternatives to SpecDeck
- Spec Kit — Provides structured processes and templates for AI coding agents.
- Specweave — It coordinates multiple AI tools and agents with shared specs, memory, and an append-only ledger.
- Specops — It stops AI from coding without requirements by enforcing a multi-phase spec workflow.
- Specreel — Combines end-to-end testing with product demos so they never go stale.
- spec-first — It replaces vibe coding with reviewed specs, isolated worktrees, and gated commits.
- AG-UI — Standardizes agent-user interactions and generative UI for applications.
- MySpec — Uncovers edge cases and drafts deterministic architectural contracts before coding.
- Agent Skills — Encodes senior-engineer workflows and quality gates into 24 skills.
- AGENTS.md — It separates agent-specific instructions from human-focused README files.
- SpecStory — Saves AI chat histories and converts them into Markdown format automatically.
- GPT Pilot — Builds production-ready applications by working step-by-step with a human developer.
- Rinkata — It keeps humans and AI agents aligned on intent as work evolves.
All SpecDeck alternatives