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"""
NASA Space Explorer Assistant - Complete MCP Server + Chat Interface
Gradio Agents & MCP Hackathon 2025
Features:
- 3 MCP servers (APOD, NeoWs, Mars Rover) with 15 total tools
- LlamaIndex chat agent with Mistral LLM
- Interactive testing interface
- Cross-MCP query capabilities
"""
import os
import asyncio
import gradio as gr
from dotenv import load_dotenv
import sys
import logging
# Add src to path
sys.path.append(os.path.join(os.path.dirname(__file__), 'src'))
from src.mcp_server import NASAMCPServer
from src.chat_agent import NASAChatAgent
from src.config import Config
# Load environment variables
load_dotenv()
# Global instances
mcp_server = None
chat_agent = None
# Setup logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
async def init_servers():
"""Initialize both MCP server and chat agent."""
global mcp_server, chat_agent
try:
# Initialize MCP server
print("🚀 Initializing MCP Server...")
mcp_server = NASAMCPServer()
await mcp_server.initialize()
print("✅ MCP Server initialized with 3 MCPs")
# Initialize chat agent (if Mistral API key available)
if Config.MISTRAL_API_KEY:
print("🤖 Initializing Chat Agent...")
# Pass the MCP server instance directly
chat_agent = NASAChatAgent(mcp_server=mcp_server)
success = await chat_agent.initialize()
if success:
print("✅ Chat Agent initialized with LlamaIndex + Mistral")
else:
print("⚠️ Chat Agent failed to initialize")
chat_agent = None
else:
print("⚠️ MISTRAL_API_KEY not set - chat features disabled")
chat_agent = None
return mcp_server, chat_agent
except Exception as e:
print(f"❌ Initialization error: {str(e)}")
return None, None
def create_app():
"""Create and configure the complete Gradio application."""
with gr.Blocks(
title="NASA Space Explorer Assistant",
theme=gr.themes.Soft(),
css="""
.chat-container {
max-height: 600px;
overflow-y: auto;
}
.space-themed {
background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
}
.example-btn {
margin: 2px;
}
"""
) as app:
gr.HTML("""
<div style="text-align: center; padding: 20px; background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%); border-radius: 10px; margin-bottom: 20px;">
<h1 style="color: white; margin: 0;">🚀 NASA Space Explorer Assistant</h1>
<p style="color: #cccccc; margin: 10px 0 0 0;">MCP-powered space data access + AI Chat Assistant</p>
</div>
""")
# Status indicator
with gr.Row():
with gr.Column(scale=1):
gr.Markdown("### 📡 System Status")
api_status = "🟢 NASA API" if Config.NASA_API_KEY != "DEMO_KEY" else "🟡 NASA Demo Key"
chat_status = "🟢 Chat Ready" if Config.MISTRAL_API_KEY else "🔴 Chat Disabled"
gr.Markdown(f"**{api_status}** | **{chat_status}**")
with gr.Column(scale=2):
gr.Markdown("### 🛠️ Available Services")
gr.Markdown("🌌 **APOD** (3 tools) | 🌍 **NeoWs** (6 tools) | 🔴 **Mars Rover** (6 tools) | **Total: 15 MCP tools**")
with gr.Tabs():
# =================================
# TAB 1: CHAT INTERFACE (NEW!)
# =================================
with gr.Tab("🤖 Chat with NASA Assistant") as chat_tab:
if Config.MISTRAL_API_KEY:
gr.Markdown("""
### 🌟 Your Personal NASA Space Expert
I can access **live NASA data** to answer your questions about space! Try asking me about:
""")
with gr.Row():
with gr.Column():
gr.Markdown("""
**🌌 Astronomy**
- Today's space picture
- Historical astronomy images
- Space phenomena explanations
""")
with gr.Column():
gr.Markdown("""
**🌍 Asteroids & NEOs**
- Dangerous space rocks
- Asteroid size comparisons
- Threat analysis
""")
with gr.Column():
gr.Markdown("""
**🔴 Mars Exploration**
- Rover photos and missions
- Mars surface discoveries
- Mission statistics
""")
# Main chat interface
chatbot = gr.Chatbot(
value=[],
elem_classes=["chat-container"],
height=500,
show_label=False,
type="messages" # Fix the warning
)
with gr.Row():
msg = gr.Textbox(
placeholder="Ask me anything about space... 🚀",
show_label=False,
scale=4,
container=False
)
send_btn = gr.Button("Send 🚀", variant="primary", scale=1)
clear_btn = gr.Button("Clear 🗑️", variant="secondary", scale=1)
# Quick example buttons
gr.Markdown("### 🎯 Quick Examples")
with gr.Row():
example_btn1 = gr.Button("🌌 What's today's astronomy picture?", elem_classes=["example-btn"])
example_btn2 = gr.Button("🌍 Any dangerous asteroids this week?", elem_classes=["example-btn"])
with gr.Row():
example_btn3 = gr.Button("🔴 Show me latest Mars rover photos", elem_classes=["example-btn"])
example_btn4 = gr.Button("🌟 Give me today's space summary", elem_classes=["example-btn"])
with gr.Row():
example_btn5 = gr.Button("📅 What space events happened on January 1, 2024?", elem_classes=["example-btn"])
example_btn6 = gr.Button("📏 Compare sizes of this week's largest asteroids", elem_classes=["example-btn"])
# Chat functions
async def respond(message, history):
"""Handle chat response."""
if not message.strip():
return history, ""
if not chat_agent:
error_msg = "❌ Chat agent not available. Please check Mistral API key configuration."
# For messages format: list of dicts with 'role' and 'content'
return history + [
{"role": "user", "content": message},
{"role": "assistant", "content": error_msg}
], ""
# Add user message to history
history = history + [{"role": "user", "content": message}]
# Get AI response
try:
print(f"🤖 Processing: {message}")
response = await chat_agent.chat(message)
# Add assistant response
history.append({"role": "assistant", "content": response})
print(f"✅ Response generated ({len(response)} chars)")
except Exception as e:
error_response = f"❌ Sorry, I encountered an error: {str(e)}"
history.append({"role": "assistant", "content": error_response})
print(f"❌ Chat error: {str(e)}")
return history, ""
def clear_chat():
"""Clear chat history."""
return [], ""
def set_example_text(text):
"""Set example text in input."""
return text
# Event handlers
msg.submit(
respond,
inputs=[msg, chatbot],
outputs=[chatbot, msg]
)
send_btn.click(
respond,
inputs=[msg, chatbot],
outputs=[chatbot, msg]
)
clear_btn.click(clear_chat, outputs=[chatbot, msg])
# Example button handlers
example_btn1.click(
lambda: "What's today's astronomy picture?",
outputs=[msg]
)
example_btn2.click(
lambda: "Are there any potentially dangerous asteroids approaching Earth this week?",
outputs=[msg]
)
example_btn3.click(
lambda: "Show me the latest photos from Curiosity rover on Mars",
outputs=[msg]
)
example_btn4.click(
lambda: "Give me a comprehensive space summary for today",
outputs=[msg]
)
example_btn5.click(
lambda: "What space events happened on January 1st, 2024? Show me the astronomy picture, any asteroids, and Mars rover activity for that date.",
outputs=[msg]
)
example_btn6.click(
lambda: "What are the largest asteroids approaching Earth this week? Compare their sizes to familiar objects.",
outputs=[msg]
)
else:
# Chat disabled - show setup instructions
gr.Markdown("""
### 🔐 Chat Feature Disabled
To enable the AI chat assistant, you need to add your Mistral API key:
1. **Get API Key**: Visit [console.mistral.ai](https://console.mistral.ai/api-keys)
2. **Add to .env file**:
```
MISTRAL_API_KEY=your_api_key_here
```
3. **Restart the application**
The chat assistant will then be able to:
- Answer questions about space in natural language
- Access all 15 NASA MCP tools automatically
- Provide cross-correlations and insights
- Generate comprehensive space summaries
""")
gr.HTML("""
<div style="text-align: center; padding: 20px; background: #000000; border-radius: 10px; margin-top: 20px;">
<h3>🌟 Preview: What the chat can do</h3>
<p><strong>User:</strong> "What's today's astronomy picture?"</p>
<p><strong>Assistant:</strong> "Today's Astronomy Picture of the Day is..." <em>[Uses APOD MCP]</em></p>
<br>
<p><strong>User:</strong> "Are there dangerous asteroids this week?"</p>
<p><strong>Assistant:</strong> "Let me check current asteroid data..." <em>[Uses NeoWs MCP]</em></p>
<br>
<p><strong>User:</strong> "What space events happened on my birthday?"</p>
<p><strong>Assistant:</strong> "I'll check astronomy pictures, asteroids, and Mars activity for that date..." <em>[Uses all 3 MCPs]</em></p>
</div>
""")
# =================================
# TAB 2: MCP SERVER MANAGEMENT
# =================================
with gr.Tab("🛠️ MCP Server Dashboard") as mcp_tab:
gr.Markdown("### 🔧 MCP Server Status & Management")
with gr.Row():
with gr.Column():
gr.Markdown("#### 📊 Server Status")
status_button = gr.Button("🔄 Check Server Status", variant="secondary")
status_output = gr.JSON(label="Detailed Status")
async def check_status():
if mcp_server:
return await mcp_server.get_server_status()
else:
return {"error": "MCP server not initialized"}
status_button.click(
lambda: asyncio.run(check_status()),
outputs=[status_output]
)
# with gr.Column():
# gr.Markdown("#### 🔗 Connection Information")
# gr.Markdown("""
# **For External MCP Clients:**
#
# - **Protocol**: MCP 2024-11-05
# - **Endpoint**: `http://localhost:8000/sse`
# - **Tools**: 15 available across 3 MCPs
# - **Capabilities**: tools, cross-mcp queries
#
# **Tool Prefixes:**
# - `apod_*` - Astronomy Picture tools (3)
# - `neows_*` - Asteroid tools (6)
# - `marsrover_*` - Mars Rover tools (6)
# """)
# Tool testing interface
gr.Markdown("### 🧪 Interactive Tool Testing")
with gr.Row():
with gr.Column():
tool_dropdown = gr.Dropdown(
choices=[
"apod_get_apod_today",
"apod_get_apod_by_date",
"neows_get_asteroids_today",
"neows_get_potentially_hazardous",
"marsrover_get_latest_photos",
"marsrover_get_rover_status"
],
label="Select Tool to Test",
value="apod_get_apod_today"
)
args_input = gr.JSON(
label="Tool Arguments (JSON)",
value={}
)
test_button = gr.Button("🧪 Execute Tool", variant="primary")
with gr.Column():
test_output = gr.JSON(label="Tool Response", height=400)
async def test_tool(tool_name, arguments):
if mcp_server:
return await mcp_server.call_tool(tool_name, arguments)
else:
return {"error": "MCP server not initialized"}
test_button.click(
lambda tool, args: asyncio.run(test_tool(tool, args)),
inputs=[tool_dropdown, args_input],
outputs=[test_output]
)
# Quick test buttons
with gr.Row():
quick_test1 = gr.Button("🌌 Test APOD Today", size="sm")
quick_test2 = gr.Button("🌍 Test Asteroids", size="sm")
quick_test3 = gr.Button("🔴 Test Mars Status", size="sm")
quick_test1.click(
lambda: ("apod_get_apod_today", {}),
outputs=[tool_dropdown, args_input]
)
quick_test2.click(
lambda: ("neows_get_asteroids_today", {}),
outputs=[tool_dropdown, args_input]
)
quick_test3.click(
lambda: ("marsrover_get_rover_status", {"rover": "curiosity"}),
outputs=[tool_dropdown, args_input]
)
# =================================
# TAB 3: CROSS-MCP QUERIES
# =================================
with gr.Tab("🌟 Cross-MCP Queries") as cross_tab:
gr.Markdown("### 🚀 Advanced Cross-MCP Capabilities")
gr.Markdown("These queries combine data from multiple NASA APIs for unique insights:")
with gr.Row():
with gr.Column():
cross_query_type = gr.Dropdown(
choices=["space_summary", "correlate_date"],
label="Cross-MCP Query Type",
value="space_summary"
)
cross_args = gr.JSON(
label="Query Arguments",
value={"date": "2024-01-01"}
)
cross_button = gr.Button("🚀 Execute Cross-MCP Query", variant="primary")
# Preset buttons
gr.Markdown("#### 🎯 Preset Queries")
preset_summary = gr.Button("📊 Today's Space Summary", variant="secondary")
preset_correlate = gr.Button("🔍 Correlate Jan 1, 2024", variant="secondary")
with gr.Column():
cross_output = gr.JSON(label="Cross-MCP Response", height=500)
async def test_cross_query(query_type, arguments):
if mcp_server:
return await mcp_server.handle_cross_mcp_query(query_type, arguments)
else:
return {"error": "MCP server not initialized"}
cross_button.click(
lambda query, args: asyncio.run(test_cross_query(query, args)),
inputs=[cross_query_type, cross_args],
outputs=[cross_output]
)
preset_summary.click(
lambda: ("space_summary", {"date": "2025-06-07"}),
outputs=[cross_query_type, cross_args]
)
preset_correlate.click(
lambda: ("correlate_date", {"date": "2024-01-01"}),
outputs=[cross_query_type, cross_args]
)
# =================================
# TAB 4: DOCUMENTATION & EXAMPLES
# =================================
with gr.Tab("📚 Documentation") as docs_tab:
gr.Markdown("""
### 📖 NASA Space Explorer Documentation
#### 🏗️ Architecture
```
User Interface (Gradio)
↓
Chat Agent (LlamaIndex + Mistral)
↓
MCP Server (NASA Space Explorer)
├── APOD MCP ──→ NASA APOD API
├── NeoWs MCP ──→ NASA Asteroids API
└── Mars Rover MCP ──→ NASA Mars Rover API
```
#### 🛠️ Available MCP Tools
**APOD MCP (3 tools):**
- `apod_get_apod_today` - Get today's astronomy picture
- `apod_get_apod_by_date` - Get picture for specific date
- `apod_get_apod_date_range` - Get pictures for date range
**NeoWs MCP (6 tools):**
- `neows_get_asteroids_today` - Today's approaching asteroids
- `neows_get_asteroids_week` - This week's asteroids
- `neows_get_asteroids_date_range` - Asteroids for date range
- `neows_get_potentially_hazardous` - Only dangerous asteroids
- `neows_get_largest_asteroids_week` - Largest asteroids this week
- `neows_analyze_asteroid_danger` - Detailed threat analysis
**Mars Rover MCP (6 tools):**
- `marsrover_get_rover_status` - Rover mission status
- `marsrover_get_latest_photos` - Most recent photos
- `marsrover_get_photos_by_earth_date` - Photos by Earth date
- `marsrover_get_photos_by_sol` - Photos by Martian day
- `marsrover_get_photos_by_camera` - Photos by specific camera
- `marsrover_compare_rovers` - Compare all rovers
#### 🌟 Cross-MCP Features
- **Space Summary**: Combine APOD + asteroids + Mars data for any date
- **Date Correlation**: Find all space events for a specific date
- **Intelligent Analysis**: AI-powered insights across multiple data sources
#### 💡 Example Conversations
**Simple Queries:**
- "What's today's astronomy picture?"
- "Are there dangerous asteroids this week?"
- "Show me latest Curiosity photos"
**Cross-MCP Queries:**
- "What space events happened on my birthday?"
- "Compare asteroid sizes to Mars rover scale"
- "Give me a complete space summary for July 4th, 2023"
**Advanced Analysis:**
- "Analyze the threat level of asteroid 2023 BU"
- "How has Curiosity's mission progressed over the years?"
- "Correlate astronomy pictures with asteroid activity"
#### ⚙️ Technical Details
**MCP Protocol:** 2024-11-05
**Chat LLM:** Mistral Large (via API)
**Framework:** LlamaIndex + Gradio
**NASA APIs:** APOD, NeoWs, Mars Rover Photos
**Rate Limiting:** 950 requests/hour (NASA limit buffer)
**Error Handling:** Comprehensive retry logic and validation
""")
# Footer
gr.HTML("""
<div style="text-align: center; padding: 20px; margin-top: 30px; border-top: 1px solid #ddd;">
<p style="color: #666;">
🏆 <strong>Built for Gradio Agents & MCP Hackathon 2025</strong> 🚀<br>
NASA Space Explorer Assistant - Making space data accessible to everyone
</p>
</div>
""")
return app
async def main():
"""Main application entry point."""
print("🌌 NASA Space Explorer Assistant")
print("=" * 50)
# Configuration validation
print("📋 Validating configuration...")
config_valid = Config.validate()
if Config.NASA_API_KEY == "DEMO_KEY":
print("ℹ️ Using NASA DEMO_KEY (30 requests/hour limit)")
else:
print("✅ NASA API key configured")
if Config.MISTRAL_API_KEY:
print("✅ Mistral API key configured - chat enabled")
else:
print("⚠️ Mistral API key missing - chat disabled")
# Initialize all servers
print("\n🚀 Initializing services...")
await init_servers()
# Create and launch application
print("\n🌐 Creating Gradio interface...")
app = create_app()
print("🎉 Launch complete!")
print("=" * 50)
print("📡 MCP Server: http://localhost:8000")
print("🤖 Chat Interface: Available if Mistral API key configured")
print("🛠️ Dashboard: Interactive MCP testing available")
print("🌟 Cross-MCP: Advanced query capabilities")
print("=" * 50)
# Launch the application
app.launch(
server_name="0.0.0.0",
server_port=7860,
#share=True, # Enable sharing for Hugging Face Spaces
show_error=True,
quiet=False
)
if __name__ == "__main__":
asyncio.run(main()) |