How do I use User MCP Demo?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@User MCP Demo Register a new user with username alice and email alice@example.com" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

User MCP Demo

by bot-qianjinyan

Overview Schema Related Servers Score Discussions

Python

Remote

User MCP Demo

学习项目：先提供用户与账单 REST API，再基于这些接口构建 Streamable HTTP MCP Server，覆盖 MCP 三要素（Tools / Resources / Prompts）。

生产环境里 app 与 mcp_server 完全可以拆成两个仓库：MCP 只通过 HTTP 调用已有微服务，旧服务无需改动。

架构

┌──────────────────────┐          HTTP /mcp          ┌──────────────────────┐
│  MCP Client          │ ──────────────────────────▶ │  MCP Server :3001    │
│  (Cursor / scripts)  │                             │  Streamable HTTP     │
└──────────────────────┘                             │  tools/resources/    │
                                                     │  prompts             │
                                                     └──────────┬───────────┘
                                                                │ httpx
                                                                ▼
                                                     ┌──────────────────────┐
                                                     │  User REST API :8000 │
                                                     │  FastAPI + SQLite    │
                                                     └──────────────────────┘

Related MCP server: FastMCP Example Server

快速开始

cd /Users/jasqia/00D_PythonProject/my-mcp
source .venv/bin/activate
pip install -r requirements.txt

# 终端 1：启动 REST API
uvicorn app.main:app --host 127.0.0.1 --port 8000 --reload

# 终端 2：启动 MCP Server（Streamable HTTP）
python -m mcp_server
# 等价：python -m mcp_server.server

REST 文档：http://127.0.0.1:8000/docs
MCP 端点：http://127.0.0.1:3001/mcp

REST API

用户

方法	路径	说明
POST	`/api/users/register`	注册
POST	`/api/users/login`	登录，返回 JWT
GET	`/api/users/me`	当前用户（需 Bearer Token）
PATCH	`/api/users/me`	更新个人信息（需 Bearer Token）

账单

方法	路径	说明
POST	`/api/bills`	创建自己的账单
GET	`/api/bills`	读取自己的账单列表
GET	`/api/bills/shared-with-me`	别人分享给自己的账单
GET	`/api/bills/{id}`	读取单条（自己的或分享给自己的）
PATCH	`/api/bills/{id}`	更新自己的账单
DELETE	`/api/bills/{id}`	删除自己的账单
POST	`/api/bills/{id}/share`	分享给其他用户阅读 `{"username":"..."}`
DELETE	`/api/bills/{id}/share/{username}`	取消分享
POST	`/api/bills/{id}/like`	点赞（自己的或已分享给自己的）
DELETE	`/api/bills/{id}/like`	取消点赞

示例

# 登录拿 TOKEN 后创建账单
curl -s http://127.0.0.1:8000/api/bills \
  -H "Authorization: Bearer TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{"title":"午餐","amount":"32.50","category":"food","spent_at":"2026-08-11"}'

# 分享给 bob
curl -s http://127.0.0.1:8000/api/bills/1/share \
  -H "Authorization: Bearer TOKEN" \
  -H 'Content-Type: application/json' \
  -d '{"username":"bob"}'

# 点赞
curl -s http://127.0.0.1:8000/api/bills/1/like \
  -X POST \
  -H "Authorization: Bearer TOKEN"

MCP 三要素

Tools

用户

register_user / login_user / get_current_user / update_user_profile

账单

create_bill / list_my_bills / list_shared_bills / get_bill
update_bill / delete_bill
share_bill / unshare_bill
like_bill / unlike_bill

Resources

user://api/health — API 健康检查
user://docs/overview — 项目说明
user://profile/{access_token} — 当前用户资料
bill://mine/{access_token} — 我的账单列表
bill://shared/{access_token} — 分享给我的账单
bill://item/{access_token}/{bill_id} — 单条账单

Prompts

welcome_new_user — 欢迎新用户
help_update_profile — 协助更新资料
help_create_bill — 协助记账
help_share_bill — 协助分享账单
help_like_bill — 协助点赞

Cursor 连接（Streamable HTTP）

{
  "mcpServers": {
    "user-mcp": {
      "url": "http://127.0.0.1:3001/mcp"
    }
  }
}

本地验证

source .venv/bin/activate
pip install -r requirements-dev.txt   # 首次需要

# 推荐：一条命令跑 pytest（无需先起服务）
make test
# 或：
# make test-api
# make test-mcp
# make test-e2e   # 只跑 L4 Streamable HTTP 等 e2e 标记

# 测试分层说明（L2 Mock / L4 真传输等）：docs/MCP_L2_L4_EXPLAINED.zh.md
# Inspect + MCP 配合：docs/INSPECT_MCP.zh.md

# 手工 E2E 冒烟（需先启动 API；MCP 脚本还需启动 MCP）
python scripts/test_user_client.py
python scripts/test_bill_client.py
python scripts/test_mcp_user_client.py
python scripts/test_mcp_bill_client.py

Inspect 评测示例（对接 `:3001/mcp`）

先启动 API + MCP，再：

pip install -r requirements-inspect.txt
# 另需模型 SDK，例如：pip install openai && export OPENAI_API_KEY=...

inspect eval evals/user_mcp_smoke.py --model openai/gpt-4o
inspect view

# 账单等多场景
./scripts/run_inspect_gemini.sh google/gemini-3.6-flash evals/bill_mcp_scenarios.py
./scripts/run_inspect_gemini.sh google/gemini-3.6-flash suite

# 无 API Key 时：用 mockllm 本地验证 Inspect→MCP 接线
python scripts/run_inspect_user_mcp_smoke_mock.py

# macOS + Netskope 若报 ClientConnectorCertificateError：
./scripts/build_ssl_certs.sh
export GOOGLE_API_KEY='...'
./scripts/run_inspect_gemini.sh google/gemini-3.6-flash
# 脚本会自动检查/拉起 API(:8000)+MCP(:3001)；若仍 ConnectError，先手动：
#   ./scripts/start_services.sh

说明见 docs/INSPECT_MCP.zh.md。

目录结构

my-mcp/
├── app/                      # FastAPI REST API
│   ├── __init__.py
│   ├── main.py               # 应用入口
│   ├── config.py             # 配置（端口、数据库、JWT）
│   ├── database.py           # SQLAlchemy / SQLite
│   ├── models.py             # User / Bill / BillShare / BillLike
│   ├── schemas.py            # 请求/响应 Pydantic 模型
│   ├── auth.py               # 密码哈希、JWT、鉴权依赖
│   ├── services.py           # 用户业务逻辑
│   ├── bill_services.py      # 账单业务逻辑
│   └── routers/
│       ├── __init__.py
│       ├── users.py          # /api/users
│       └── bills.py          # /api/bills
├── mcp_server/               # Streamable HTTP MCP Server
│   ├── __init__.py
│   ├── __main__.py           # python -m mcp_server
│   └── server.py             # Tools / Resources / Prompts
├── tests/                        # pytest 套件
│   ├── conftest.py
│   ├── api/
│   │   ├── test_users.py
│   │   └── test_bills.py
│   └── mcp/
│       ├── surface.golden.json   # L1b 表面指纹
│       ├── test_tool_contract.py
│       ├── test_surface_drift.py
│       ├── test_protocol_behavior.py
│       ├── test_resources_prompts.py
│       ├── test_tool_http_wiring.py          # L2 Mock：tool→REST 接线
│       └── test_streamable_http_transport.py # L4：真 Streamable HTTP /mcp
├── evals/                            # Inspect 评测示例
│   ├── __init__.py
│   ├── _common.py                    # MCP/Agent 公共辅助
│   ├── user_mcp_smoke.py             # 冒烟：注册/登录/创建账单
│   ├── user_profile_scenarios.py     # 用户资料更新
│   └── bill_mcp_scenarios.py         # 账单 CRUD / 点赞 / 分享
├── scripts/
│   ├── http_helpers.py           # REST 测试公共工具
│   ├── mcp_helpers.py            # MCP 测试公共工具
│   ├── test_user_client.py       # 手工 E2E：用户 REST
│   ├── test_bill_client.py       # 手工 E2E：账单 REST
│   ├── test_mcp_user_client.py   # 手工 E2E：MCP 用户
│   └── test_mcp_bill_client.py   # 手工 E2E：MCP 账单
├── docs/
│   ├── MCP_TOOLS_ONLY_SERVER.zh.md
│   ├── MCP_L2_L4_EXPLAINED.zh.md
│   ├── TESTING_IMPROVEMENT_PLAN.zh.md
│   └── INSPECT_MCP.zh.md             # Inspect + MCP 配合说明
├── data/
│   └── users.db                  # SQLite 数据库（运行后生成）
├── Makefile
├── pytest.ini
├── requirements.txt
├── requirements-dev.txt
├── requirements-inspect.txt          # 可选：Inspect 评测依赖
└── README.md

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User MCP Demo

架构

快速开始

REST API

用户

账单

示例

MCP 三要素

Tools

Resources

Prompts

Cursor 连接（Streamable HTTP）

本地验证

Inspect 评测示例（对接 :3001/mcp）

目录结构

Maintenance

Resources

Looking for Admin?

Related MCP Connectors

Related MCP Servers

MCP Python Tutorial

FastMCP Example Server

Simple MCP Server with

SSMCP

Latest Blog Posts

MCP directory API

Inspect 评测示例（对接 `:3001/mcp`）