feat: add mcp-servers/**

mcp-servers/sequentialthinking/.env.example

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+# MCP Sequential Thinking Server Configuration
+# ==========================================
+
+# MCP Service
+MCP_SEQUENTIALTHINKING_VERSION=latest
+MCP_SEQUENTIALTHINKING_PORT_OVERRIDE=8000
+
+# Timezone
+TZ=UTC

mcp-servers/sequentialthinking/README.md

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+# Sequential Thinking MCP Server
+
+Sequential Thinking MCP Server provides structured reasoning and step-by-step thinking capabilities through the Model Context Protocol.
+
+## Features
+
+- 🧠 **Sequential Reasoning** - Perform step-by-step reasoning
+- 💭 **Thought Tracking** - Track and manage thoughts
+- 📝 **Structured Analysis** - Structured problem analysis
+- 🔄 **Iterative Refinement** - Refine solutions iteratively
+
+## Environment Variables
+
+| Variable                               | Default  | Description                           |
+| -------------------------------------- | -------- | ------------------------------------- |
+| `MCP_SEQUENTIALTHINKING_VERSION`       | `latest` | MCP Sequential Thinking image version |
+| `MCP_SEQUENTIALTHINKING_PORT_OVERRIDE` | `8000`   | MCP service port                      |
+| `TZ`                                   | `UTC`    | Timezone                              |
+
+## Quick Start
+
+```bash
+docker compose up -d
+```

mcp-servers/sequentialthinking/README.zh.md

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+# Sequential Thinking MCP 服务器
+
+Sequential Thinking MCP 服务器通过 Model Context Protocol 提供结构化推理和逐步思考功能。
+
+## 功能特性
+
+- 🧠 **顺序推理** - 执行逐步推理
+- 💭 **思考跟踪** - 跟踪和管理思考
+- 📝 **结构化分析** - 结构化问题分析
+- 🔄 **迭代精化** - 迭代精化解决方案
+
+## 环境变量
+
+| 变量                                   | 默认值   | 说明                             |
+| -------------------------------------- | -------- | -------------------------------- |
+| `MCP_SEQUENTIALTHINKING_VERSION`       | `latest` | MCP Sequential Thinking 镜像版本 |
+| `MCP_SEQUENTIALTHINKING_PORT_OVERRIDE` | `8000`   | MCP 服务端口                     |
+| `TZ`                                   | `UTC`    | 时区                             |
+
+## 快速开始
+
+```bash
+docker compose up -d
+```

mcp-servers/sequentialthinking/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-sequentialthinking:
+    <<: *default
+    image: mcp/sequentialthinking:${MCP_SEQUENTIALTHINKING_VERSION:-latest}
+    environment:
+      - MCP_HOST=0.0.0.0
+      - TZ=${TZ:-UTC}
+    ports:
+      - "${MCP_SEQUENTIALTHINKING_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