Skip to content
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
226 changes: 226 additions & 0 deletions examples/10_console_example.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,226 @@
"""
Example demonstrating the MCP Web Console feature.

This example shows how to:
1. Create a FastAPI app with some endpoints
2. Add MCP server capabilities
3. Mount the Web Console for visualization and debugging

Access the console at: http://localhost:8000/mcp-console
"""

from fastapi import FastAPI, HTTPException, Query
from pydantic import BaseModel
from typing import List, Optional

from fastapi_mcp import FastApiMCP


app = FastAPI(
title="MCP Console Demo",
description="A demo FastAPI app with MCP Web Console",
version="1.0.0",
)


class User(BaseModel):
id: int
name: str
email: str
age: Optional[int] = None
active: bool = True


class CreateUserRequest(BaseModel):
name: str
email: str
age: Optional[int] = None


class UpdateUserRequest(BaseModel):
name: Optional[str] = None
email: Optional[str] = None
age: Optional[int] = None
active: Optional[bool] = None


users_db: dict[int, User] = {}


sample_users = [
User(id=1, name="Alice Johnson", email="alice@example.com", age=30),
User(id=2, name="Bob Smith", email="bob@example.com", age=25),
User(id=3, name="Charlie Brown", email="charlie@example.com", age=35),
]
for user in sample_users:
users_db[user.id] = user


@app.get("/users/", response_model=List[User], tags=["users"], operation_id="list_users")
async def list_users(
skip: int = Query(0, ge=0, description="Number of users to skip"),
limit: int = Query(10, ge=1, le=100, description="Maximum number of users to return"),
active_only: bool = Query(False, description="Only return active users"),
):
"""
List all users with pagination support.

Returns a paginated list of users from the database.
"""
results = list(users_db.values())

if active_only:
results = [u for u in results if u.active]

return results[skip : skip + limit]


@app.get("/users/{user_id}", response_model=User, tags=["users"], operation_id="get_user")
async def get_user(user_id: int):
"""
Get a specific user by ID.

Returns the user details if found, otherwise raises a 404 error.
"""
if user_id not in users_db:
raise HTTPException(status_code=404, detail="User not found")
return users_db[user_id]


@app.post("/users/", response_model=User, tags=["users"], operation_id="create_user")
async def create_user(user: CreateUserRequest):
"""
Create a new user.

Generates a new unique ID for the user and adds them to the database.
Returns the created user with the assigned ID.
"""
new_id = max(users_db.keys(), default=0) + 1
new_user = User(
id=new_id,
name=user.name,
email=user.email,
age=user.age,
active=True,
)
users_db[new_id] = new_user
return new_user


@app.put("/users/{user_id}", response_model=User, tags=["users"], operation_id="update_user")
async def update_user(user_id: int, user: UpdateUserRequest):
"""
Update an existing user.

Only updates the fields that are provided in the request.
Raises a 404 error if the user does not exist.
"""
if user_id not in users_db:
raise HTTPException(status_code=404, detail="User not found")

existing = users_db[user_id]

if user.name is not None:
existing.name = user.name
if user.email is not None:
existing.email = user.email
if user.age is not None:
existing.age = user.age
if user.active is not None:
existing.active = user.active

return existing


@app.delete("/users/{user_id}", tags=["users"], operation_id="delete_user")
async def delete_user(user_id: int):
"""
Delete a user.

Removes the user from the database.
Raises a 404 error if the user does not exist.
"""
if user_id not in users_db:
raise HTTPException(status_code=404, detail="User not found")

del users_db[user_id]
return {"message": "User deleted successfully", "user_id": user_id}


@app.get("/users/search/", response_model=List[User], tags=["search"], operation_id="search_users")
async def search_users(
q: Optional[str] = Query(None, description="Search query for name or email"),
min_age: Optional[int] = Query(None, description="Minimum age filter"),
max_age: Optional[int] = Query(None, description="Maximum age filter"),
active: Optional[bool] = Query(None, description="Filter by active status"),
):
"""
Search users with various filter options.

Allows searching by name/email, and filtering by age range and active status.
"""
results = list(users_db.values())

if q:
q = q.lower()
results = [
user for user in results
if q in user.name.lower() or q in user.email.lower()
]

if min_age is not None:
results = [user for user in results if user.age is not None and user.age >= min_age]

if max_age is not None:
results = [user for user in results if user.age is not None and user.age <= max_age]

if active is not None:
results = [user for user in results if user.active == active]

return results


@app.get("/health", tags=["system"], operation_id="health_check")
async def health_check():
"""
Health check endpoint.

Returns the current health status of the application.
"""
return {
"status": "healthy",
"users_count": len(users_db),
}


mcp = FastApiMCP(app)

mcp.mount_http()

mcp.mount_console(
mount_path="/mcp-console",
log_max_size=1000,
)

print("=" * 60)
print("FastAPI-MCP Console Demo")
print("=" * 60)
print()
print("Available endpoints:")
print(" - Swagger UI: http://localhost:8000/docs")
print(" - MCP HTTP: http://localhost:8000/mcp")
print(" - MCP Console: http://localhost:8000/mcp-console")
print()
print("Access the Web Console to:")
print(" - View all registered MCP tools")
print(" - See tool descriptions, parameters, and responses")
print(" - Test tool executions with custom parameters")
print(" - View real-time call logs with timings")
print()
print("=" * 60)


if __name__ == "__main__":
import uvicorn

uvicorn.run(app, host="0.0.0.0", port=8000)
8 changes: 7 additions & 1 deletion fastapi_mcp/__init__.py
Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,16 @@

from .server import FastApiMCP
from .types import AuthConfig, OAuthMetadata

from .console.logs import LogStore, LogEntry, LogStatus, get_global_log_store
from .console.router import ConsoleConfig

__all__ = [
"FastApiMCP",
"AuthConfig",
"OAuthMetadata",
"LogStore",
"LogEntry",
"LogStatus",
"get_global_log_store",
"ConsoleConfig",
]
24 changes: 24 additions & 0 deletions fastapi_mcp/console/__init__.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
"""
FastAPI-MCP Web Console Module.

Provides a lightweight web management console for visualizing and debugging MCP tools.
"""

from .logs import (
ToolCallLog,
LogStore,
LogEntry,
LogStatus,
get_global_log_store,
)
from .router import ConsoleConfig, get_console_router

__all__ = [
"ToolCallLog",
"LogStore",
"LogEntry",
"LogStatus",
"get_global_log_store",
"ConsoleConfig",
"get_console_router",
]
Loading