Sandbox
11 repos for anthropic · Frameworks & SDKs · Any agentClear
Atmosphere/
atmosphere
Atmosphere/atmosphereFrameworks & SDKs

Portable AI agent runtime for the JVM. One @Agent class runs on Spring AI, LangChain4j, Anthropic, or 9 more behind one SPI. Token streaming, tool calls, human approvals, and governance over WebSocket, SSE, gRPC, or WebTransport/HTTP3. Speaks MCP, A2A, and AG-UI.

3.8k
clawdotnet/
SharpClawCode
clawdotnet/SharpClawCodeFrameworks & SDKs

C# coding-agent harness (.NET 10, Microsoft Agent Framework) — sessions, tools, permissions, providers, MCP, plugins

90
kyegomez/
OpenMythos
kyegomez/OpenMythosFrameworks & SDKs

A theoretical reconstruction of the Claude Mythos architecture, built from first principles using the available research literature.

15k
conorluddy/ContextPodsFrameworks & SDKs

Model Context Protocol management suite/factory. An MCP that can generate and manage other local MCPs in multiple languages. Uses the official SDKs for code gen.

39
corespeed-io/
zypher-agent
corespeed-io/zypher-agentFrameworks & SDKs

A minimal yet powerful framework for creating AI agents with full control over tools, providers, and execution flow.

330
remete618/
widemem-ai
remete618/widemem-aiFrameworks & SDKs

Next-gen AI memory layer with importance scoring, temporal decay, hierarchical memory, and YMYL prioritization

49
strands-agents/
harness-sdk

Build an agent harness and control it end-to-end. Open-source SDK for production AI agents in Python & TypeScript - any model, any cloud.

7.2k

Open-source, self-hosted Claude Code - a terminal AI assistant and the Python framework behind it. Tool-calling, sandboxed execution, multi-agent teams, skills, checkpoints, unlimited context - on Pydantic AI, any model.

1.1k

TypeScript multi-agent framework that runs in your own environment: consequential actions wait for approval and every run leaves a verifiable record. Describe the goal, not the graph. 13 built-in providers (Claude, OpenAI, Gemini, DeepSeek and more) plus any OpenAI-compatible endpoint, local models included.

6.9k
JetBrains/
koog
JetBrains/koogFrameworks & SDKs

Koog is a JVM (Java and Kotlin) framework for building predictable, fault-tolerant and enterprise-ready AI agents across all platforms – from backend services to Android and iOS, JVM, and even in-browser environments. Koog is based on our AI products expertise and provides proven solutions for complex LLM and AI problems

4.6k