feat: add mcp-servers/**

mcp-servers/neo4j-cypher/.env.example

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+# MCP Neo4j Cypher Server Configuration
+# ====================================
+
+# MCP Service
+MCP_NEO4J_CYPHER_VERSION=latest
+MCP_NEO4J_CYPHER_PORT_OVERRIDE=8000
+
+# Neo4j Connection
+NEO4J_URL=bolt://localhost:7687
+NEO4J_USER=neo4j
+NEO4J_PASSWORD=password
+
+# Timezone
+TZ=UTC

mcp-servers/neo4j-cypher/README.md

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+# Neo4j Cypher MCP Server
+
+Neo4j Cypher MCP Server provides Cypher query capabilities for Neo4j graph databases through the Model Context Protocol.
+
+## Features
+
+- 🔍 **Cypher Queries** - Execute Cypher queries
+- 📊 **Graph Analysis** - Analyze graph structures
+- 🔗 **Graph Exploration** - Explore graph data
+
+## Environment Variables
+
+| Variable                         | Default                 | Description                    |
+| -------------------------------- | ----------------------- | ------------------------------ |
+| `MCP_NEO4J_CYPHER_VERSION`       | `latest`                | MCP Neo4j Cypher image version |
+| `MCP_NEO4J_CYPHER_PORT_OVERRIDE` | `8000`                  | MCP service port               |
+| `NEO4J_URL`                      | `bolt://localhost:7687` | Neo4j connection URL           |
+| `NEO4J_USER`                     | `neo4j`                 | Database user                  |
+| `NEO4J_PASSWORD`                 | `password`              | Database password              |
+| `TZ`                             | `UTC`                   | Timezone                       |
+
+## Quick Start
+
+```bash
+docker compose up -d
+```

mcp-servers/neo4j-cypher/README.zh.md

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+# Neo4j Cypher MCP 服务器
+
+Neo4j Cypher MCP 服务器通过 Model Context Protocol 为 Neo4j 图数据库提供 Cypher 查询功能。
+
+## 功能特性
+
+- 🔍 **Cypher 查询** - 执行 Cypher 查询
+- 📊 **图分析** - 分析图结构
+- 🔗 **图探索** - 探索图数据
+
+## 环境变量
+
+| 变量                             | 默认值                  | 说明                      |
+| -------------------------------- | ----------------------- | ------------------------- |
+| `MCP_NEO4J_CYPHER_VERSION`       | `latest`                | MCP Neo4j Cypher 镜像版本 |
+| `MCP_NEO4J_CYPHER_PORT_OVERRIDE` | `8000`                  | MCP 服务端口              |
+| `NEO4J_URL`                      | `bolt://localhost:7687` | Neo4j 连接 URL            |
+| `NEO4J_USER`                     | `neo4j`                 | 数据库用户                |
+| `NEO4J_PASSWORD`                 | `password`              | 数据库密码                |
+| `TZ`                             | `UTC`                   | 时区                      |
+
+## 快速开始
+
+```bash
+docker compose up -d
+```

mcp-servers/neo4j-cypher/docker-compose.yaml

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+x-default: &default
+  restart: unless-stopped
+  logging:
+    driver: json-file
+    options:
+      max-size: 100m
+      max-file: "3"
+
+services:
+  mcp-neo4j-cypher:
+    <<: *default
+    image: mcp/neo4j-cypher:${MCP_NEO4J_CYPHER_VERSION:-latest}
+    environment:
+      - NEO4J_URL=${NEO4J_URL:-bolt://localhost:7687}
+      - NEO4J_USER=${NEO4J_USER:-neo4j}
+      - NEO4J_PASSWORD=${NEO4J_PASSWORD:-password}
+      - MCP_HOST=0.0.0.0
+      - TZ=${TZ:-UTC}
+    ports:
+      - "${MCP_NEO4J_CYPHER_PORT_OVERRIDE:-8000}:8000"
+    healthcheck:
+      test: ["CMD", "wget", "--spider", "-q", "http://localhost:8000/health"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 10s
+    deploy:
+      resources:
+        limits:
+          cpus: '1.00'
+          memory: 512M
+        reservations:
+          cpus: '0.25'
+          memory: 128M