Automatically convert RESTful APIs (Swagger 2.0 / OpenAPI 3.0) into MCP Servers
Project description
MCP RESTful Adapter
将 RESTful API(Swagger 2.0 / OpenAPI 3.0)自动转换为 MCP Server。每个 API 端点变成一个 MCP Tool。
快速开始
1. 在 Claude Desktop / Cursor / Claude Code 中使用
编辑配置文件(Claude Desktop: ~/Library/Application Support/Claude/claude_desktop_config.json):
从 PyPI 安装(推荐):
{
"mcpServers": {
"petstore": {
"command": "uvx",
"args": ["mcp-restful-adapter"],
"env": {
"API_SPEC_URL": "https://petstore3.swagger.io/api/v3/openapi.json",
"API_BASE_URL": "https://petstore3.swagger.io/api/v3",
"API_TAGS": "pet,store"
}
}
}
}
本地开发(未发布时):
{
"mcpServers": {
"petstore": {
"command": "uv",
"args": [
"run",
"--project", "/path/to/mcp-restful-adapter",
"mcp-restful-adapter"
],
"env": {
"API_SPEC_URL": "https://petstore3.swagger.io/api/v3/openapi.json",
"API_BASE_URL": "https://petstore3.swagger.io/api/v3",
"API_TAGS": "pet,store"
}
}
}
}
将
/path/to/mcp-restful-adapter替换为本项目的实际路径。
配置完成后,Claude 就能直接调用 Petstore 的 API 了:
findPetsByStatus(status="available")→ 查询可用宠物getPetById(petId=1)→ 查询宠物详情addPet(name="Buddy", ...)→ 创建宠物
2. 在终端中使用
# PyPI 版本
API_SPEC_URL=https://petstore3.swagger.io/api/v3/openapi.json \
API_BASE_URL=https://petstore3.swagger.io/api/v3 \
API_TAGS=pet \
uvx mcp-restful-adapter
# 本地开发
API_SPEC_URL=https://petstore3.swagger.io/api/v3/openapi.json \
API_BASE_URL=https://petstore3.swagger.io/api/v3 \
API_TAGS=pet \
uv run mcp-restful-adapter
3. 带认证的 API
{
"mcpServers": {
"my-api": {
"command": "uvx",
"args": ["mcp-restful-adapter"],
"env": {
"API_SPEC_URL": "https://your-api.example.com/openapi.json",
"API_BASE_URL": "https://your-api.example.com",
"API_HEADERS": "{\"Authorization\": \"Bearer your-bearer-token\", \"X-Tenant\": \"acme\"}"
}
}
}
}
环境变量
| 变量 | 说明 | 默认值 |
|---|---|---|
API_SPEC_URL |
OpenAPI/Swagger 文档地址 | 必填 |
API_BASE_URL |
后端 API 地址 | 必填 |
API_TAGS |
Tag 白名单,逗号分隔,OR 逻辑(匹配任一 tag 即保留) | 全部 |
API_METHODS |
HTTP 方法白名单,逗号分隔 | 全部 |
API_PATHS |
路径正则白名单(re.search 匹配) |
全部 |
API_PATHS_EXCLUDE |
路径正则黑名单(白名单优先,见下方说明) | 无 |
API_HEADERS |
自定义请求头(JSON 格式,含认证等) | 空 |
LOG_LEVEL |
日志级别(INFO 显示启动信息,DEBUG 记录请求头和 body) |
WARNING |
白名单 / 黑名单策略
API_PATHS(白名单)和 API_PATHS_EXCLUDE(黑名单)配合使用,白名单优先:
白名单命中 → 放行(不再检查黑名单)
白名单未命中 + 黑名单命中 → 排除
白名单未命中 + 黑名单未命中 → 排除
仅配置黑名单(无白名单) → 未命中黑名单的放行
推荐配置 — 只暴露只读查询接口:
{
"API_METHODS": "GET",
"API_PATHS": "(?i)(get|query|detail|page|select|list|search|info|find|fetch|tree|export|download|template|count|stat|check|\\{[a-zA-Z]+\\})",
"API_PATHS_EXCLUDE": "(?i)(save|update|delete|remove|create|add|clear|sync|generate|import|handle|flush|send|complete|fix|reset|process|submit|approve|cancel|enable|disable|trigger|notify|push|pull|upload|revoke|grant|bind|unbind|transfer|lock|unlock|batch)"
}
过滤示例
# 只要 GET 请求
API_METHODS=GET
# 只要 pet 或 store 相关的端点
API_TAGS=pet,store
# 只要 /api/v1/ 开头的路径
API_PATHS=^/api/v1/
# 排除包含 delete/remove 的路径(黑名单)
API_PATHS_EXCLUDE=(?i)(delete|remove)
# 组合使用:pet tag 下的 GET 和 POST
API_TAGS=pet
API_METHODS=GET,POST
# 只读查询(白名单 + 黑名单 + GET)
API_METHODS=GET
API_PATHS=(?i)(get|query|detail|page|list|search)
API_PATHS_EXCLUDE=(?i)(save|update|delete|remove|create)
开发
uv sync # 安装依赖
uv run mcp-restful-adapter # 运行
uv run pytest tests/ -v # 运行测试
uv run pytest tests/ --cov=mcp_restful_adapter # 覆盖率
示例代码
| 文件 | 说明 |
|---|---|
examples/agent_usage.py |
Agent 中使用 — 连接 MCP Server、列出 tools、调用 tools |
examples/claude_desktop_config.json |
Claude Desktop 配置模板 |
uv run python examples/agent_usage.py
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