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cc-sdd
cc-sdd: Turn approved specifications into long-running autonomous implementation across AI coding agents.
cc-sdd is a spec-driven development toolkit that installs agentic workflows as Agent Skills for multiple AI coding agents. It routes work through discovery, requirements, design, tasks, and autonomous implementation with per-task independent review. The tool relies on boundary-first spec discipline, using file structure plans and task annotations to prevent boundary violations. It supports eight AI coding agents including Claude Code, Codex, Cursor, Copilot, Devin, OpenCode, Gemini CLI, and Antigravity. The system suits developers scaling AI-driven development by treating specifications as explicit contracts between system parts while keeping code as the source of truth.
cc-sdd at a glance
- Best for: Software engineer
- Runs on: CLI
- Pricing: Free
- Released: July 2025
- Category: AI coding tool
- Website: github.com/gotalab/cc-sdd
Key features
- Route new work via discovery into specs or direct implementation
- Run long-running autonomous implementation with TDD and independent review
- Enforce boundary-first spec discipline with file structure plans
- Handle multi-spec initiatives in parallel with cross-spec review
- Support 17 agent skills loaded on demand across eight coding agents
- Record task states to support resumption after checking active workers
- Customize templates and rules in local settings directories
Use it for
- Start a new feature or product-sized idea
- Extend an existing system safely
- Break down a large initiative into multiple specs
- Implement a small change with no spec
Companions
Tools that articles about cc-sdd recommend using with it, each with its job.
- Context7 — Provides up-to-date documentation for AI agents and code editors.
- Ollama — Run local models at zero marginal cost, with code kept on your machine.
- OpenRouter — Access over 500 models and 80 providers through one unified API.
- Oh My OpenCode Slim — Lightweight multi-agent orchestration and background tasks.
Alternatives to cc-sdd
- Agent Skills — Encodes senior-engineer workflows and quality gates into 24 skills.
- OpenCode — Works with 75+ model providers, local models, and existing subscriptions
- AGENTS.md — It separates agent-specific instructions from human-focused README files.
- spec-first — It replaces vibe coding with reviewed specs, isolated worktrees, and gated commits.
- Adhdev — Orchestrates agents across machines with automated, test-gated git merging.
- Codex Infinity — Autonomous agents plan, test, and fix CI in isolated sandboxed environments.
- AI-DLC Workflows — Connects requirements, decisions, implementation, tests, and operations through one audited lifecycle.
- aiXcoder — Provides full-stack private deployment for secure, enterprise-wide code generation.
- CCG Workflow — Orchestrates multiple AI coding CLIs simultaneously with parallel agent teams.
- Composio — Equips AI agents with tools, managed user auth, and sandboxes across 1,500+ apps
- Eve — Builds durable AI agents with file system based configuration and isolated sandboxes.
- Factorai — Manages multiple independent AI coding agents in parallel from one interface.
All cc-sdd alternatives