vin-decode-mcp
vin-decode-mcp
从精选的 NHTSA vPIC 数据库中解码 VIN 并查询车辆数据 — 由 Model Context Protocol 驱动。
一个独立的、支持离线的 MCP 服务器,供 LLM 解码车辆识别码(VIN)并查询品牌、车型和车辆规格,数据来源于 [NHTSA 的 vPIC](https://vpic.nhtsa.dot.gov/)。
pip install vin-decode-mcp
vin-decode-mcp # Start the MCP server为什么?
离线:无需互联网即可使用。精选的 SQLite 数据库(约 4.5 MB)完全自包含。
无速率限制:与直接调用 vPIC API 不同,本地查询不受限制。
快速:针对 SQLite 数据库的模式匹配只需微秒级时间。
LLM 原生:工具带有丰富的文档字符串、schema 资源和结构化 JSON 输出。
开放数据:NHTSA vPIC 是美国政府开放数据 — 免费,无需 API 密钥。
Related MCP server: VIN MCP
数据覆盖
美国市场车辆,车型年份 1981 年及以后
534 个品牌、9,175 个车型、88,140 个 VIN 模式
乘用车、卡车、多用途车(MPV)、摩托车、越野车
不包括:客车、拖车、低速车辆、非完整车辆
仅限规格信息 — 此数据库不包含所有权、事故、里程表 或被盗记录(这些需要 NMVTIS/商业数据源)。
快速开始
安装
pip install vin-decode-mcp或者从源码安装:
git clone https://github.com/<org>/vin-decode-mcp.git
cd vin-decode-mcp
pip install -e .运行
# Default: stdio transport (for Claude Desktop, Cursor, etc.)
vin-decode-mcp
# HTTP transport
vin-decode-mcp --transport http --port 8765与 Claude Desktop 配合使用
将以下内容添加到 ~/.config/claude-desktop/config.json(在 macOS 上为 ~/Library/Application Support/claude-desktop/config.json):
{
"mcpServers": {
"vin-decode": {
"command": "vin-decode-mcp"
}
}
}重新启动 Claude Desktop。现在,模型可以在对话中使用 VIN 解码工具了。
可用工具
工具 | 描述 |
| 解码一个 VIN → 品牌、车型、年份、车辆类型 |
| 使用 |
| 列出所有车辆品牌 |
| 列出某个品牌下的车型 |
| 获取生产年份范围 |
| 解码 WMI → 制造商信息 |
| 列出可用的车辆类型 |
| 列出某个品牌的车辆类型 |
示例
>>> decode_vin("1HGCM82633A004352")
{
"vin": "1HGCM82633A004352",
"make": "Honda",
"model": "Accord",
"year": 2003,
"vehicle_type": "Passenger Car",
"wmi": "1HG",
"confidence": "full"
}
>>> get_model_years("Porsche", "911")
{"year_from": 1981, "year_to": null}
>>> decode_partial_vin("5UXWX7C5*BA")
[{"make": "BMW", "model": "X5", "year": 2011, "confidence": "partial_match"}]数据库
下载
编译好的数据库托管在 Hugging Face 上:
数据集:<https://hugingface.co/datasets/vin-decode-mcp/vpic-database> 直接下载:<https://hugingface.co/datasets/vin-decode-mcp/vpic-database/resolve/main/vpic_decode.db>
自定义数据库路径
# Set via environment variable
export VIN_MCP_DB_PATH=/path/to/vpic_decode.db
vin-decode-mcp
# Or via CLI flag
vin-decode-mcp --db-path /path/to/vpic_decode.db重新构建
该数据库大约每 6-12 个月根据 NHTSA 的独立 PostgreSQL 数据库重新构建一次:
# Requires PostgreSQL installed (pg_restore, psql)
bash tools/rebuild.sh
# Or step by step:
# 1. Download NHTSA data: https://vpic.nhtsa.dot.gov/Downloads/
# 2. Convert to SQLite
python3 tools/convert_to_sqlite.py --input dump.sql --output vpic_lite.db
# 3. Build curated database
python3 tools/build_db.py --source vpic_lite.db --output vpic_decode.db有关 Hugging Face 设置说明,请参阅 docs/hf-setup.md。
数据来源与署名
车辆数据来源于 NHTSA 的 vPIC — 美国国家公路交通安全管理局(National Highway Traffic Safety Administration)的车辆产品信息目录与车辆列表。NHTSA 是美国政府机构。
数据许可:美国政府作品(公共领域)
API:无需密钥或注册
刷新频率:约 6-12 个月
报告错误:联系 NHTSA 制造商帮助台:manufacturerinfo@dot.gov 或 1-888-399-3277
架构
User / LLM Agent
│
▼ MCP (stdio / HTTP)
┌──────────────────┐
│ vin-decode-mcp │ pip install vin-decode-mcp
│ (FastMCP server)│ env: VIN_MCP_DB_PATH=/path/to/vpic_decode.db
└────────┬─────────┘
│ sqlite3 (mode=ro)
▼
┌──────────────────┐
│ vpic_decode.db │ ~4.5 MB, curated
│ (Hugging Face) │ makes + models + WMI + VIN patterns
└──────────────────┘
▲
│ rebuilds from
┌──────────────────┐
│ NHTSA vPIC PG DB │ 69 MB, official
│ (NHTSA website) │ refreshed 2x/year
└──────────────────┘项目结构
vin-decode-mcp/
├── src/vin_decode_mcp/
│ ├── __init__.py # Package init
│ ├── server.py # FastMCP server with all tools
│ ├── database.py # SQLite layer + VIN decoder
│ └── cli.py # CLI entry point
├── tools/
│ ├── build_db.py # Pipeline orchestrator
│ ├── convert_to_sqlite.py # PG → SQLite converter
│ ├── rebuild.sh # Full rebuild script
│ ├── build_db.py # Curated DB builder (orchestrator for the pipeline)
│ ├── curation.json # Make/model curation rules
│ ├── overlay.json # Grey-import classic additions
│ └── README.md # Rebuild instructions
├── tests/
│ ├── conftest.py # Test fixtures
│ ├── test_decode.py # VIN decode canary tests
│ ├── test_server.py # Bulk lookup tests
│ └── fixtures/
│ ├── build_test_db.py # Test database builder
│ └── test_vpic.db # Minimal test database
├── .github/workflows/
│ ├── ci.yml # CI: test + lint
│ └── rebuild-db.yml # Scheduled DB rebuild
├── docs/
│ └── hf-setup.md # Hugging Face setup guide
├── pyproject.toml
├── LICENSE
├── README.md
└── vpic_pare_down.py # Pare-down pipeline (original)开发
# Install dev dependencies
pip install -e ".[dev]"
# Run tests
python -m pytest tests/ -v
# Lint
python -m ruff check src/ tests/
# Format
python -m ruff format src/ tests/与其他方案的比较
vin-decode-mcp | NHTSA vPIC API | vin-mcp (NLMA) | |
传输方式 | 本地 SQLite | HTTP REST | HTTP REST |
离线 | ✅ | ❌ | ❌ |
速率受限 | 否 | 是 | 是 |
数据大小 | 约 4.5 MB | N/A | N/A |
VIN 字段 | 品牌 + 车型 + 年份 | 约 130 个字段 | 约 130 个字段 |
品牌/车型 | ✅ 534/9,175 | ✅ 完整目录 | ✅ 完整目录 |
安装 |
| 无 |
|
许可证
MIT 许可证 — 代码采用 MIT 许可证。数据属于美国政府公共领域。
详见 LICENSE。
贡献
欢迎贡献!请:
Fork 并创建功能分支
为新功能添加测试
确保 CI 通过
提交拉取请求
对于重大更改,请先创建 issue 讨论方案。
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