Sandbox
22 repos · Tools · Copilot · TestingClear

High-performance AI pipeline engine with a C++ core and 50+ Python-extensible nodes. Build, debug, and scale LLM workflows with 13+ model providers, 8+ vector databases, and agent orchestration, all from your IDE. Includes VS Code extension, TypeScript/Python SDKs, and Docker deployment.

8.4k
eneskirca/
nodeterm

Node-based terminal manager for AI coding agents — tmux-backed terminals and parallel agent sessions as draggable nodes on an infinite pan/zoom canvas. macOS, Linux, and a browser Server Edition.

1.8k

Emdash is the Open-Source Agentic Development Environment (🧡 YC W26). Run multiple coding agents in parallel. Use any provider.

5.7k
Th0rgal/
open-ralph-wiggum

Type `ralph "prompt"` to start open code in a ralph loop. Also supports a prompt file & status check. Open Code, Claude Code, Codex, Copilot

1.9k

TAKT Agent Koordination Topology - Define how AI agents coordinate, where humans intervene, and what gets recorded — in YAML

1.3k
johannesjo/
parallel-code

Run Claude Code, Codex, and Gemini side by side — each in its own git worktree

1k
termio-sh/
termio

A terminal-first agentic development environment for agentic coding. Build for CLI/TUI agent. Runtime for Coding Agent, Tmux alternative

434
jfrog/
boost

Save tokens. Maximize context, Safely

473
svd-ai-lab/
sim-cli

Turn existing CAE files into structured text an agent can use — COMSOL, Abaqus, Fluent, HFSS, Icepak, FloTHERM — plus solver detection, script linting, and live solver sessions. Strong coverage for electronics thermal and advanced packaging.

219
claudioemmanuel/
squeez

Hook-based token compressor for 5 AI CLI hosts (Claude Code, Copilot CLI, OpenCode, Gemini CLI, Codex CLI). Up to 95% bash compression, signature-mode for code reads, cross-call dedup, MCP server, self-teaching protocol. Zero runtime deps.

200
PramodDutta/
qaskills

QA Skills Directory QA Skills is a curated directory of testing-specific skills for AI coding agents (Claude Code, Cursor, Copilot, etc.).

222

Native local development environment for Windows, macOS & Linux. A modern alternative to XAMPP, MAMP, Laragon and Laravel Herd, with runtimes, databases, web servers, local sites, HTTPS, AI coding tools and MCP.

3.2k
KryptosAI/
mcp-observatory

CI-native security testing for MCP servers. Attack simulation, schema drift detection, and health scoring before agents depend on them.

146

Save 40%+ on agent token costs with code graphs: call graphs, dependency graphs, dead code detection, and blast radius analysis.

92
pinecone-io/
cultivar

Use cultivar to test your Agent Skills, run them in sandboxes, and across different agents.

37
WillEhrendreich/
SageFs

Sage Mode for F# development — REPL with solution or project loading, Live Testing for FREE, Hot Reload, and session management.

70

PC Engine / TurboGrafx-16 / SuperGrafx / PCE CD-ROM² emulator, debugger, and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

237

Agent coordination protocol — declare intents, lock symbols, detect conflicts before code is written

46