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Discover the toolingbehind modern intelligence

The operating system for AI infrastructure discovery. Search a live map of MCP servers, AI agents, LLM tools, automation systems, and developer infrastructure.

 
 
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theskillcity

Discover the toolingbehind modern intelligence

A live, classified map of MCP servers, AI agents, LLM tooling, automation systems, and developer infrastructure — searchable in one place.

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A live, classified index of the open-source tooling behind modern AI — MCP servers, AI agents, LLM tooling, automation systems, skills and developer infrastructure — all searchable and mapped in one place. The homepage cityscape lets you explore by category; everything else is a click away.

0skills
0MCP servers
0agents

Browse by domain — interactive skyline. Each building links to a domain.

DEVTOOLSLLMAGENTSAUTOMATIONWORKCLOUDWRITINGSECURITYWEB/APPMEDIADATA/ML
266All domains

LLM & GenAI Engineering

266

LLM apps, prompts, RAG, embeddings, model gateways, inference utilities.

Specializations

AllGeneral6.9k reposRAG & Retrieval5.5k reposPrompts & Prompt Eng.2.5k reposGateways & Routers943 reposChatbots & Assistants821 reposInference & Serving582 reposEvaluation & Guardrails292 reposEmbeddings & Vectors266 reposFine-tuning34 repos
0specializations
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0skills
0MCP servers
0agents
Tencent

WeKnora

Tencent
SKILL

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.

LLM & GenAI Engineering#agent#agentic
15.8k2.0kGo
langchain4j

langchain4j

langchain4j
SKILL

LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Qu

LLM & GenAI Engineering#anthropic#chatgpt
12.1k2.3kJava
zilliztech

claude-context

zilliztech
MCP

Code search MCP for Claude Code. Make entire codebase the context for any coding agent.

LLM & GenAI Engineering#agent#agentic-rag
11.6k857TypeScript
plastic-labs

honcho

plastic-labs
SKILL

Memory library for building stateful agents

LLM & GenAI Engineering#agent-memory#ai
4.7k549Python
groupultra

telegram-search

groupultra
MCP + SKILL

🔍 导出并模糊搜索 Telegram 聊天记录 | Export and fuzzy search your Telegram chat history

LLM & GenAI Engineering#ai#ai-agent
3.9k253TypeScript
giancarloerra

SocratiCode

giancarloerra
MCP + SKILL

Enterprise-grade (40m+ LOC) codebase intelligence, zero-setup, local & private Plugin/Skill/Extension or MCP: hybrid semantic search, polyglot dependency graphs, symbol-level impact analysis & call-flow, interactive HTML viewer, cross-project & branch-aware search, DB/API/infra knowledge. 61% less tokens, 84% fewer cal

LLM & GenAI Engineering#ai#ai-assistant
2.8k370TypeScript
neuron-core

neuron-ai

neuron-core
SKILL

The PHP Agentic Framework to build production-ready AI driven applications. Connect components (LLMs, vector DBs, memory) to agents that can interact with your data.

LLM & GenAI Engineering#agent#agentic-ai
1.9k215PHP
zilliztech

memsearch

zilliztech
SKILL

A persistent, unified memory layer for all your AI agents (e.g. Claude Code, Codex), backed by Markdown and Milvus.

LLM & GenAI Engineering#agent#agent-memory
1.9k178Python
Haohao-end

openagent

Haohao-end
MCP + SKILL

AI Agent Development Platform - Supports multiple models (OpenAI/DeepSeek/Wenxin/Tongyi), knowledge base management, workflow automation, and enterprise-grade security. Built with Flask + Vue3 + LangChain, featuring one-click Docker deployment.

LLM & GenAI Engineering#agent#ai
81281Python
orneryd

NornicDB

orneryd
MCP

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based

LLM & GenAI Engineering#bolt#cypher
76343Go
CopilotKit

aimock

CopilotKit
MCP

Mock everything your AI app talks to — LLM APIs, MCP, A2A, AG-UI, vector DBs, search. One package, one port, zero dependencies.

LLM & GenAI Engineering#ai-testing#aimock
61440TypeScript
gannonh

memento-mcp

gannonh
MCP

Memento MCP: A Knowledge Graph Memory System for LLMs

LLM & GenAI Engineering#claude-desktop#cursor
41961TypeScript
opensolon

solon-ai

opensolon
MCP

Java AI application development framework (supports LLM-tool,skill; RAG; MCP; Agent-ReAct,Team-Agent). Compatible with java8 ~ java25. It can also be embedded in SpringBoot, jFinal, Vert.x, Quarkus, and other frameworks.

LLM & GenAI Engineering#ai#chat
39959Java
exograph

exograph

exograph
MCP

Build production-ready backends in minutes

LLM & GenAI Engineering#access-control#api
34720Rust
braincrew-lab

langconnect-client

braincrew-lab
MCP

A Modern GUI Interface for Vector Database Management(Supports MCP integration)

LLM & GenAI Engineering#langchain#mcp
32778TypeScript
java-ai-tech

spring-ai-summary

java-ai-tech
MCP

SpringAI,LLM,MCP,Embedding

LLM & GenAI Engineering#deepseek#doubao
319127Java
pmbstyle

Alice

pmbstyle
MCP

Alice is a voice-first desktop AI assistant application built with Vue.js, Vite, and Electron. Advanced memory system, function calling, MCP support, optional fully local use, and more.

LLM & GenAI Engineering#ai#ai-assistant
28640TypeScript
orneryd

Mimir

orneryd
MCP

Mimir - Fully open and customizable memory bank with semantic vector search capabilities for locally indexed files (Code Intelligence) and stored memories that are shared across sessions and chat contexts allowing worker agent to learn from errors in past runs. Includes Drag and Drop multi-agent orchestration

LLM & GenAI Engineering#code-intelligence#codebase
27628Go
FarhanAliRaza

claude-context-local

FarhanAliRaza
MCP

Code search MCP for Claude Code. Make entire codebase the context for any coding agent. Embeddings are created and stored locally. No API cost.

LLM & GenAI Engineering#agent#ai-coding
23130Python
Corpus-OS

corpusos

Corpus-OS
MCP

Open-source protocol suite standardizing LLM, Vector, Graph, and Embedding infrastructure across LangChain, LlamaIndex, AutoGen, CrewAI, Semantic Kernel, and MCP. 3,330+ conformance tests. One protocol. Any framework. Any provider.

LLM & GenAI Engineering#agents#ai-agents
2247Python
edwin-hao-ai

Awareness-Local

edwin-hao-ai
MCP

Local-first AI agent memory — one command, works offline, no account needed. Give your Claude Code, Cursor, Windsurf, OpenClaw agent persistent memory. Markdown storage, hybrid search (FTS5 + embedding), MCP protocol, Web dashboard.

LLM & GenAI Engineering#ai-agent#ai-memory
2132JavaScript
yantrikos

yantrikdb-server

yantrikos
MCP

Cognitive memory database for AI agents — consolidates duplicates, detects contradictions, fades stale memories via temporal decay. Rust, AGPL, ships as library / MCP server / HTTP cluster.

LLM & GenAI Engineering#agent-memory#ai-agents
1549Rust
qdrant

skills

qdrant
SKILL

Agent skills for Qdrant vector search: scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, Java

LLM & GenAI Engineering#agent-skills#ai-agents
14818Python
CodeAbra

iai-mcp

CodeAbra
MCP

The best-benchmarked open-source memory system for AI coding assistants

LLM & GenAI Engineering#ai-agents#ai-memory
13316Python