Sandbox
261 repos for harnessClear

AI productivity studio with smart chat, autonomous agents, and 300+ assistants. Unified access to frontier LLMs

52k
datachain-ai/datachainFrameworks & SDKs

The Context Layer for unstructured data: typed, versioned datasets over S3, GCS, Azure

2.8k
lmwilki/
civ6-mcp

An MCP server that lets LLM agents play Civilization VI.

172
Ontos-AI/
knowhere

Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG.

3.1k

Containment for AI agents - user isolation, sandboxed execution, network controls, backup/rollback. TLA+ verified.

173

A headless browser for AI agents that fetches modern web pages, runs JavaScript, manages sessions, and returns token-efficient Markdown.

86
htdt/godogenHarnesses

Autonomous game development for Godot, Bevy, and Babylon.js with Claude Code and Codex

6.8k

🐬DeepChat - A smart assistant that connects powerful AI to your personal world

6.3k

Co-creation infrastructure for humans and code agents — visual environment, skills, continuous learning, and distribution.

160
JingxuanC/
causal-memory

Causal memory layer for AI agents — MCP server that records decision→outcome relationships. Survives compaction.

71

Build big projects with Claude. Chief breaks your work into tasks and runs Claude Code in a loop until they're done.

474
YPares/
rigup.nix
YPares/rigup.nixFrameworks & SDKs

AI agents and Nix: parametrable skills/instructions and tools, packaged together in a reproducible and modular fashion

90
first-tree-ai/
first-tree-legacy

A Git-native knowledge layer for your team — and a set of tool suite that keeps it alive.

46
fivetaku/
fablize

A Claude Code plugin that makes Opus behave like Fable — completion, evidence, and verification enforced as procedure. Ships only what a Fable-vs-Opus comparison proved transferable.

895
sentrux/
sentrux

Real-time architectural sensor that helps AI agents close the feedback loop, enabling recursive self-improvement of code quality. Pure Rust.

3.2k
mathomhaus/
guild

Shared context, memory, and task coordination across AI coding agents. Single Go binary, local SQLite, hybrid keyword and semantic search.

305
MCP-Defender/
MCP-Defender

Desktop app that automatically scans and blocks malicious MCP traffic in AI apps like Cursor, Claude, VS Code and Windsurf.

257
shinpr/
codex-workflows

Development workflows for Codex that keep technical rigor and edge-case handling from becoming product overengineering.

37
skillberry-ai/
cap-evolve

Optimize any AI agent’s skills, tools/MCP, and prompts against your own evals.

56

Agenta is a workspace where you and your team build agents and automations.

4.7k
SponsioLabs/SponsioFrameworks & SDKs

Deterministic safety solutions for probabilistic AI agents

440