Framework
Langchain agents
8,655 Langchain AI agents indexed on MeshKore — the most complete public catalog, ranked by popularity and updated daily.
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Langchain agents — page 72 of 87
LangGraph Notebook Foundry scaffolding
Temporal integration for LangGraph - durable execution for stateful AI agents.
A small package for langgraph trace
Trust-gated checkpoint nodes for LangGraph — cryptographic identity, policy enforcement, and trust-aware routing for multi-agent graphs
Unity Catalog-backed persistence for LangChain and LangGraph
Utilities for Langchain and langgraph
Real-time browser-based visualization for LangGraph workflows
Simple package to connect LangGraph applications to Slack
Trust-gated checkpoint nodes for LangGraph — cryptographic identity, policy enforcement, and trust-aware routing for multi-agent graphs
KurrentDB checkpoint implementation for LangGraph
Openai Compatible Langgraph Server
Debug LangGraph-based agents visually - live execution graph, node inspection, and run replay, all from a single line.
LangInsight callback handler for LangChain - Monitor and trace your LangChain LLM applications
Lattice State Contract coordination layer for LangGraph workflows
LaunchDarkly AI SDK LangChain Provider
Layerd AI Agent Reforge — outer-loop agent improvement (HyperAgents-inspired); complements LangGraph.
Config-driven LangChain create_agent wrapper
Python SDK for Lelu — framework-agnostic authorization engine for AI agents with confidence-aware controls, Docker deployment, and human-in-the-loop workflows
The GitHub Copilot for AI Agent Development - Intelligent debugging for AI agents
LICOS Python agent runtime for LangGraph/LangChain projects
Client library to connect to the lighthousellmm LLM Tracing and Evaluation Platform.
HITL-first Linux operations control plane with policy checks, audit trails, runbooks, and SSH guards.
Security auditor for LLM library supply chains - detects compromised PyPI packages
Bridge external AI agent frameworks (LangChain, LangGraph, Strands, ADK, custom) to the LiveKit Agent runtime.
LangChain translator for LiveKit Agents Adapter
LangChain/LangGraph plugin for LiveKit agents
Universal LiveKit plugin for LangGraph workflows with intelligent filtering
Building AGI loops using LlamaIndex and Langchain
A library of community-driven data loaders for LLMs. Use with LlamaIndex and/or LangChain.
llama-index embeddings langchain integration
llama-index llms langchain integration
llama-index output_parsers langchain integration
Python llama.cpp HTTP Server and LangChain LLM Client
This project is a Python-based multi-agent supervisor inspired by LangGraph, adapted for llama_index. It delegates tasks to specialized agents and tools, processes function-calling LLM responses, and manages conversation history. The structured workflow handles tool calls, processes agent handoffs with error handling, and provides flexible message management for hierarchical multi-agent systems.
LlamaIndex integration for BrowseAI Dev — research infrastructure with Grounded Intelligence for AI agents
plugin for simonw's llm to add a langchain agent
Tree-structured multi-agent runtime with a FastAPI core, LangChain agents, and event-driven executors.
Behavioral testing for LLM applications. pytest plugin with semantic assertions, multi-turn conversation testing, and drift detection. No LLM judge needed.
A reusable library for LLM clients with LangChain framework
Langchain-compatible deliberation and consensus framework using multiple LLMs.
Real-time cost tracking, budget enforcement, and usage analytics for LLM applications
A tiny Python library for tracking LLM token usage, latency, and estimated cost - with per-agent-step cost attribution for LangGraph, a local dashboard, and litellm-backed pricing for hundreds of models.
LLM development debug layer - every API call recorded, nothing lost. Reasoning tokens, prompt diff, session timeline, LangChain/LlamaIndex integration.
Carbon-aware scheduling and telemetry for LLM applications
[IMPORTANT: This library is now part of LangChain, follow its official documentation] A caching layer for LLMs that exploits Elasticsearch, fully compatible with LangChain caching, both for chat and embeddings models.
A Lakehouse LLM Explorer. Wrapper for spark, databricks and langchain processes
Extract structured, validated JSON from any LLM  OpenAI, Anthropic, Gemini  with batch extraction, caching, per-field confidence scoring, schema evolution, multi-schema extraction, output transforms, partial extraction, extraction diff, pipeline extraction, and smart auto-retry.
Pytest plugin for running non-deterministic LLM tests with automatic retry and beautiful reports
LLM testing framework for validating agent behavior and tool usage
v0.66.0: sycophancy_score() direction corrected — AUROC 0.9296 [0.8754, 0.9703] on Perez 2022 (was 0.0704, wrong direction). AgentShield judge_risk field fix.
LLM Hippocampus — a Context Engineering playground
Pluggable LLM inference routing SDK — bring any model from any provider
Free-tier LLM API key pool with rotation, cooldown, and LangChain drop-in
Cost ceiling, audit log, and kill switch for LLM agents.
Give your AI agents persistent, searchable long-term memory with pluggable storage backends
Validate LLM outputs against schemas with automatic retry and JSON extraction.
A lightweight LLM-based privacy filter for masking sensitive entities in text.
Trace and explain LangChain agent reasoning step-by-step
A minimum Python package built on top of the LangChain framework to interact with LLM.
Fault-tolerant LLM provider rotation with circuit breaker, quotas, and model-first routing
Cognitive Security Middleware - The 'Electronic Stability Program' (ESP) for Large Language Models. Bidirectional containment system with defense-in-depth architecture (6 validation layers), stateful tracking, and mathematical safety constraints. Validated against Unicode/encoding attacks, pattern evasion, multilingual/polyglot attacks (12+ languages including Basque, Maltese), and memory/session attacks. Protocol-based hexagonal architecture with LangChain integration.
Intelligent tool routing for LLMs with 95.8% reduction in context size
Smart memory management for LLM conversations - topic-aware compression that just works
Biblioteca Python que simplifica e unifica a definição e chamada de ferramentas para grandes modelos de linguagem (LLMs). Compatível com Ollama, LangChain, OpenAI e outros frameworks.
Tool calling runtime for text-only LLMs with LangChain support
OpenTelemetry instrumentation for LangChain.
OpenTelemetry instrumentation for LangGraph.
Run llm functions with just inline documentation and no code
A framework-agnostic browser tool for AI agents. Works with Anthropic, OpenAI, LangChain, and any agent framework.
A library to extract structured information from unstructured text using LLMs, powered by LangChain.
In-process LLM client faker that patches OpenAI, Anthropic, LiteLLM, and LangChain for fast, deterministic testing without network calls
Open-source LLM prompt injection defense — protect any AI app in 2 lines of Python
Loads a Langchain LLM by model name as a string.
Observability and monitoring for AI apps
The Python library that lets you spin up any LLM with a single function. Route between local and remote LLMs with a unified interface.
Prompt Perfection at Your Fingertips
Python SDK, CLI, and Arena for 10 LLM providers. Compare models, synthesize a privacy-aware Best Answer, use MCP tools, fallback, caching, and direct BYOK access.
Lightweight LLM observability. SQLite-based tracing with zero infrastructure.
A Python library for language detection and translation using langchain ChatModels
LoongSuite LangChain Instrumentation
LoongSuite LangGraph Instrumentation
The AI Agent Codex — 15 production patterns, scaffolds for LangGraph/CrewAI/OpenAI Agents SDK, and a searchable knowledge base
Resilient AI agents via Active Inference
Nomotic governance for AI agents. Works with Claude, LangChain, CrewAI, AutoGen, OpenAI, or any custom framework.
A LangGraph/LLM‐driven EDA → AutoML → report pipeline
MatrixLLM: OpenAI-compatible multi-provider LLM router (OpenRouter-style) with optional relay nodes
Synap memory integration for LangChain and LangGraph
Synap memory integration for LangGraph — BaseStore + BaseCheckpointSaver
A Task-Level Distributed Agent Workflow Framework for building scalable, resource-efficient multi-agent systems
LangGraph integration for MCAL - Goal-aware memory for AI agents
Ferramenta de consulta de bases de dados usando linguagem natural com agente inteligente
MCP-Bastion security middleware integration for LangChain - prompt injection, PII, and rate-limit protection for LLM agents
LangChain MCP tools testing helpers for MCP Test Harness
AI agent for image generation with multi-provider LLM support and interactive CLI
Langchain plugin for media-tagging library
LangChain integration for Membrain — persistent semantic memory for AI agents
LangChain memory integration for MemoryLayer.ai - persistent memory for AI agents