Sandbox
145 repos for β€œspec” Β· CodingClear
SimpleEve/
development-skills

Reusable agent skills for end-to-end software delivery, from requirements and implementation to review, testing, and release.

34
erwinkramer/
bank-api

The Bank API is a design reference project suitable to bootstrap development for a compliant and modern API.

843
lifedever/
claude-rules
lifedever/claude-rulesRules & Prompts

Coding standards for AI coding assistants. Auto-detect tech stack, generate project rules. Works with Claude Code, Cursor, Antigravity, GitHub Copilot.

189

πŸ„πŸΌβ€β™‚οΈ The blackboard for coding agents - agentic development environment for claude code, codex, cursor, opencode, grok and more.

1.5k
danielvm-git/
bigpowers

Agent skills synthesizing years of software engineering discipline into a prescriptive methodology for solo developers

180
bardiakhosravi/
tenets

Architecture guardrails for AI coding agents building backend services with DDD and Hexagonal Architecture.

45

Artifact layer for agent-human representations. One API call, one SVG. Zero dependencies, renders in any markdown.

41

Project continuity for Claude Code and Codex: a roadmap beside your code, grounded handoffs, and clear task status.

34
spencermarx/
open-code-review

AI-powered multi-agent code review. Simulates a customizable team of Engineers performing code review with built-in discourse.

355
Gentleman-Programming/
gentle-pi

Turn Pi into el Gentleman: a senior-architect development harness with SDD/OpenSpec, subagents, strict TDD evidence, review guardrails, and skill discovery.

715

Local-first project management and persistent context for OpenClaw, Claude Code, Codex, Cursor, and multi-agent coding workflows.

94
thevibeworks/
claude-code-docs

Everything Anthropic ships for builders, archived and updated 4Γ— daily. 3,900+ files. 12 sources. API, Claude Code, MCP, docs, cookbooks, skills, plugins.

41
AmazingAng/
old-coder

An old coder's strategy for the agent era: don't read the code β€” make it run the gauntlet. Evidence-first development skill for coding agents, inspired by Uncle Bob.

720
BV-Venky/
excalidraw-architect-mcp

Turn your architecture into a living, queryable knowledge graph - and render it as beautiful auto-laid-out Excalidraw diagrams. An MCP server for Cursor, Claude Code & Windsurf. Offline, no API keys.

149
m0n0x41d/haftConnectors

Engineering decisions engine that know when they're stale. Frame, compare, decide β€” with evidence decay and parity enforcement. For Claude Code, Cursor, Gemini CLI, Codex and more.

1.4k
mattgierhart/
PRD-driven-context-engineering

PRD-Led Context Engineering β€” Memory as Infrastructure. An ontology layer for product teams building products that solve real problems β€” with AI agents that remember. Gated PRD, typed IDs, markdown knowledge graph, Claude Code skills & hooks.

182
itsjwill/
gsd-pro

GSD Pro β€” The most powerful AI coding workflow for Claude Code. Free alternative to Cursor Composer, Copilot Workspace, Devin & Bolt. Multi-model routing, rollback/recovery, adaptive context. Fork of 30Kβ˜… original. npx get-shit-done-cc

84
haabe/
mycelium

AI made building cheap. It didn't make deciding cheap. Mycelium is a Claude Code harness that makes your agent run discovery and weigh evidence before it writes code. It earns the right to start. Built for software, courses, AI tools, and services.

45

Your agent invents things because it has no memory, and can't touch your database because it has no arms. rsc is the meta-harness that gives it both, plus the trade to know the job and the reflexes to not break your repo. For Claude Code, Codex and 15 more.

81
NVIDIA/
SkillSpector

Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.

17k