How do I get a NASA API key?

Visit [**api.nasa.gov**](https://api.nasa.gov) and sign up with your email — it's completely free. You'll receive an API key instantly. For quick testing, you can use `DEMO_KEY` which allows 30 requests/hour and 50/day. Registered keys get 1,000 requests/hour.

Can I get Mars rover photos from today?

Mars rovers don't take photos every Earth day due to communication delays and mission schedules. Use `get_mars_photos` with rover name 'curiosity' or 'perseverance' and an earth_date parameter. If no photos exist for that date, the API returns an empty list. Try recent dates or browse available dates with `get_mars_rovers`.

What are Near-Earth Objects (NEOs)?

NEOs are asteroids and comets whose orbits bring them close to Earth. NASA tracks them for planetary defense. Use `get_neo_feed` to see asteroid counts and data over a date range. Each NEO includes estimated diameter, velocity, miss distance, and whether it's classified as 'potentially hazardous'.

Can I search NASA's image library?

Yes! Use `search_nasa_library` with a free-text query (e.g. 'Apollo 11', 'Mars', 'ISS', 'Hubble'). It searches thousands of images, videos and audio files. Results include title, description, NASA center, media type and URL. Optionally set page number for pagination.

NASA MCP Server for LangChain 9 tools — connect in under 2 minutes

Name: NASA
Availability: InStock
Author: Vinkius

python.langchain.com/docs/integrations/tools/mcp

Built by Vinkius GDPR 9 Tools Framework

LangChain is the leading Python framework for composable LLM applications. Connect NASA through Vinkius and LangChain agents can call every tool natively. combine them with retrievers, memory, and output parsers for sophisticated AI pipelines.

Get MCP Server for AI Agents

ASK AI ABOUT THIS MCP SERVER

Open in ChatGPT Open in Claude Open in Perplexity

Vinkius supports streamable HTTP and SSE.

python

import asyncio
from langchain_mcp_adapters.client import MultiServerMCPClient
from langchain_openai import ChatOpenAI
from langgraph.prebuilt import create_react_agent

async def main():
    # Your Vinkius token. get it at cloud.vinkius.com
    async with MultiServerMCPClient({
        "nasa": {
            "transport": "streamable_http",
            "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
        }
    }) as client:
        tools = client.get_tools()
        agent = create_react_agent(
            ChatOpenAI(model="gpt-4o"),
            tools,
        )
        response = await agent.ainvoke({
            "messages": [{
                "role": "user",
                "content": "Using NASA, show me what tools are available.",
            }]
        })
        print(response["messages"][-1].content)

asyncio.run(main())

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About NASA MCP Server

Connect to NASA's open APIs through any AI agent and explore space science through natural conversation.

LangChain's ecosystem of 500+ components combines seamlessly with NASA through native MCP adapters. Connect 9 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.

What you can do

Astronomy Picture of the Day — Fetch today's APOD or any historical image with title, explanation and media URL
Mars Rover Photos — Browse photos from Curiosity, Perseverance, Opportunity and Spirit rovers by date and camera
Earth Satellite Imagery — View Landsat 8 satellite imagery for any coordinate on Earth with date filtering
EPIC Earth Images — See full-disk Earth images from the DSCOVR satellite's Deep Space Camera
Near-Earth Objects — Track asteroids and their size, velocity and hazard rating over a date range
NASA Library Search — Search NASA's extensive image and video library with free-text queries
Patent & Technology Transfer — Search NASA patents and discover technologies available for licensing

The NASA MCP Server exposes 9 tools through the Vinkius. Connect it to LangChain in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.

How to Connect NASA to LangChain via MCP

Follow these steps to integrate the NASA MCP Server with LangChain.

Install dependencies

Run pip install langchain langchain-mcp-adapters langgraph langchain-openai

Replace the token

Replace [YOUR_TOKEN_HERE] with your Vinkius token

Run the agent

Save the code and run python agent.py

Explore tools

The agent discovers 9 tools from NASA via MCP

Why Use LangChain with the NASA MCP Server

LangChain provides unique advantages when paired with NASA through the Model Context Protocol.

The largest ecosystem of integrations, chains, and agents. combine NASA MCP tools with 500+ LangChain components

Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step

LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging

Memory and conversation persistence let agents maintain context across NASA queries for multi-turn workflows

NASA + LangChain Use Cases

Practical scenarios where LangChain combined with the NASA MCP Server delivers measurable value.

RAG with live data: combine NASA tool results with vector store retrievals for answers grounded in both real-time and historical data

Autonomous research agents: LangChain agents query NASA, synthesize findings, and generate comprehensive research reports

Multi-tool orchestration: chain NASA tools with web scrapers, databases, and calculators in a single agent run

Production monitoring: use LangSmith to trace every NASA tool call, measure latency, and optimize your agent's performance

NASA MCP Tools for LangChain (9)

These 9 tools become available when you connect NASA to LangChain via MCP:

get_apod

If no date is specified, returns today's APOD. Optionally specify a single date, a date range (start_date and end_date), or a count of random APODs. Returns the image/video URL, title, explanation, copyright and date. This is one of NASA's most popular APIs. Get NASA Astronomy Picture of the Day (APOD)

get_earth_imagery

Requires longitude and latitude coordinates. Optionally specify a date (YYYY-MM-DD) to get imagery from a specific time. Returns the image URL and metadata. Useful for viewing geographic changes over time. Get satellite imagery of Earth from NASA

get_epic_images

Optionally specify a date (YYYY-MM-DD) and whether to use enhanced-color images (true) or natural-color (false, default). Returns image URLs, coordinates and acquisition time. Get Earth Polychromatic Imaging Camera (EPIC) images from NASA

get_mars_photos

Optionally filter by Earth date (YYYY-MM-DD), camera type (FHAZ, RHAZ, MAST, CHEMCAM, MAHLI, MARDI, NAVCAM, PANCAM, MINITES), and page number. Each photo includes the image URL, rover name, camera, Earth date and Mars sol date. Get Mars Rover photos from NASA

get_mars_rovers

Useful for discovering which rovers are active and when they last took photos. Get information about NASA Mars rovers

get_neo_feed

Optionally specify a start and end date (YYYY-MM-DD, max 7 days range). Returns asteroid count per day, estimated diameters, velocity, and whether they are potentially hazardous. Great for space awareness and planetary defense tracking. Get Near-Earth Object (NEO) feed from NASA

get_tech_transfer

Optionally filter by category (software, patent). Returns descriptions, contact information and availability status. Get NASA technology transfer information

search_nasa_library

Accepts a free-text query and returns matching media with titles, descriptions, NASA center information and media type (image, video, audio). Optionally set page number for pagination. This is the primary search endpoint for NASA media assets. Search the NASA Image and Video Library

search_patents

Requires a search query. Returns patent titles, numbers, abstracts and licensing availability. Useful for technology transfer and commercialization research. Search NASA patents

Example Prompts for NASA in LangChain

Ready-to-use prompts you can give your LangChain agent to start working with NASA immediately.

"Show me today's Astronomy Picture of the Day."

"Show me photos taken by the Perseverance rover on Mars."

"Are there any potentially hazardous asteroids approaching Earth this week?"

Troubleshooting NASA MCP Server with LangChain

Common issues when connecting NASA to LangChain through the Vinkius, and how to resolve them.

MultiServerMCPClient not found

Install: pip install langchain-mcp-adapters

NASA + LangChain FAQ

Common questions about integrating NASA MCP Server with LangChain.

How does LangChain connect to MCP servers?

Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.

Which LangChain agent types work with MCP?

All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.