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Catalogue

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Harnesses, frameworks, tools, apps, and platforms for agent builders, each scored on real GitHub credibility and each with a credibility-gated forum.

47 tools · showing 25–47

#sandbox ×
Tool

Sandcastle

Coding

mattpocock

TypeScript library for running AI coding agents in isolated Docker, Podman, or Vercel sandboxes and merging commits back

dockersandboxgitorchestration

A
Tool

HarnessRouter

DeploymentInterface

HarnessRouter

HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, H

gatewayuhpsandboxcoding-agent

A
Tool

Open Cowork

CodingInterface

OpenCoworkAI

Open-source AI agent desktop app for Windows & macOS. One-click install Claude Code, MCP tools, and Skills — with sandbox isolation, multi-m

desktopsandboxmulti-providercoding-agent

A
Framework

Smolagents

Coding

huggingface

Hugging Face library for agents that write their actions as Python code, with sandboxed execution

huggingfacecoding-agentmultimodalsandbox

A
Tool

Pi Go

CodingInterface

dimetron

Go implementation of AI coding agent

coding-agentclilspmulti-agent

B
Tool

Sandbox

SecurityInterface

agent-infra

All-in-One Sandbox for AI Agents that combines Browser, Shell, File, MCP and VSCode Server in a single Docker container.

sandboxcode-executionbrowser-automationdocker

B
Harness

SandBase Harness

SecurityMonitoring

sandbaseai

Open-source CMA-compatible agent runtime for any model, with MCP tools, sandboxed sessions, audit, replay, and a local console. Includes a n

sandboxlocal-firstgovernancesession-replay

B
Tool

Cloudflare OS

InterfaceSecurityCoding

cloudflare

Agent workspace built on Cloudflare Workers for creating documents, building apps, and running agents with your company’s context and system

productivitysandboxguardrailsapp-generationhuman-in-the-loop

B
Tool

Spacedock

CodingQA

spacedock-dev

Pi ships four tools ... read, write, edit, bash ... and calls it done. No MCP, no sub-agents, no permission dialogs, no

human-in-the-loopmulti-agentorchestrationgovernance

B
Tool

Aos Ce

DeploymentSecurity

unicity-aos

AOS Community Edition: the open agent operating system.

clisandboxdaemon

B
Tool

Shepherd

Coding

shepherd-agents

Records agent runs as reversible, inspectable execution traces whose outputs are reviewed before they are applied or discarded

sandboxagent-builderreversible-executionmeta-agent

B
Platform

Container use

CodingSecurity

dagger

MCP server giving each coding agent an isolated container and git branch so multiple agents work in parallel without clobbering each other.

daggersandboxdockergit-branching

B
App

HappyCapy

InterfaceCoding

Browser-based agent workspace running skills on frontier models under one subscription, with async tasks landing in an inbox

sandboxcoding-agentskillbrowser-automation

B
Tool

Open Computer Use

Interface

e2b-dev

AI computer use powered by open source LLMs and E2B Desktop Sandbox

computer-usee2bsandboxscreenshot

C
Harness

OpenShell DeepAgent

CodingSecurity

langchain-ai

General-purpose coding agent pairing LangChain Deep Agents with an NVIDIA OpenShell sandbox and Nemotron models

langchainsandboxnemotron

C
Tool

SWE-ReX

Deployment

SWE-agent

Sandboxed code execution for AI agents, locally or on the cloud. Massively parallel, easy to extend. Powering SWE-agent and more.

sandboxcode-executiondockerparallel-execution

C
Tool

Hermes Dynamic Workflows

Coding

lingjiuu

Hermes plugin for dynamic workflows — model-written sandboxed Python orchestrating up to 1000 subagents in parallel

multi-agentsandboxorchestrationparallel-execution

C
Harness

HermesClaw

SecurityDeployment

TheAiSingularity

Community stack running the Hermes Agent inside NVIDIA's OpenShell sandbox with kernel-enforced network and filesystem limits

sandboxdockeropenshellllama-cpp

C
Platform

Vivaria

QAResearch

METR

Self-hostable web app, server and CLI for running agents on tasks in sandboxed environments and analysing the runs.

clisandboxtask-environments

C
●
Platform

Mistral Agents API

CodingConnectors

Hosted agents service with persistent conversations, MCP client support, and built-in connectors including sandboxed code execution.

mistralcode-executionsandboxconversation-state

Score unavailable
●
Platform

Ona

CodingSecurity

Formerly Gitpod: API-first sandboxed cloud dev environments that host and orchestrate fleets of autonomous coding agents.

cloud-development-environmentsandboxcoding-agentgitpod

Score unavailable
●
App

Osloq

QA

Agent that clones your repo into a sandbox, runs it and tries to reproduce GitHub issues, reporting evidence-backed results

githubsandboxissue-triagedebugging

●
Platform

Superconductor

Coding

Multiplayer workspace running many cloud coding agents (Claude Code, Codex, Pi, Amp, Cursor) in isolated sandboxes with shared sessions, previews and review.

coding-agentsandboxmulti-agentcode-review

Score unavailable