How to Use the Emissions API MCP in LlamaIndex
Index live atmospheric telemetry and build RAG applications over the Emissions API using LlamaIndex.
Works with every AI agent you already use
…and any MCP-compatible client
Connect Emissions API MCP to LlamaIndex
Create your Vinkius account to connect Emissions API to LlamaIndex and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.
Index Emissions API Output for RAG
The `get_nitrogen_dioxide` tool acts as a direct data source for your LlamaIndex vector store. You query the API for daily traffic pollution metrics, and the framework embeds the raw numbers alongside your internal city planning documents. When a user asks about historical air quality, the agent doesn't guess. It runs a semantic search against the indexed MCP tool outputs, pulling exact parts-per-million readings to ground its response in actual environmental telemetry.
Map GeoJSON into Searchable Nodes
Your LlamaIndex application calls `get_geojson_emissions` to ingest spatial boundaries and pollution densities. The framework chunks these complex JSON structures into individual document nodes, making geographic regions fully searchable. If you are tracking a factory's impact, the agent queries the index for specific coordinates and cross-references them with `get_carbon_monoxide` data. The MCP Server feeds the exact spatial context required for accurate semantic retrieval.
Ground Your LlamaIndex Function Agent
You pass `get_available_products` to your `FunctionAgent` so it knows exactly which gas databases it can query. The agent reads the available products list and decides whether to pull methane or ozone data based on the user's prompt. For agricultural research, the agent triggers `get_methane` and immediately synthesizes the returned metrics with your local research papers. This MCP integration ensures your RAG pipeline always has access to live atmospheric conditions.
Set up Emissions API MCP in LlamaIndex
Prerequisites
- Python 3.10+ installed
-
llama-index-tools-mcppackage - Active Vinkius subscription with a valid endpoint token
- 1
Install dependencies
Run
pip install llama-index-tools-mcp llama-index-llms-openai. The MCP tools package providesBasicMCPClientandMcpToolSpec. - 2
Connect with BasicMCPClient
Point
BasicMCPClientto your Vinkius endpoint URL. Replace[YOUR_TOKEN_HERE]with your token from cloud.vinkius.com. Supports SSE and Streamable HTTP transports. - 3
Convert to LlamaIndex tools
Call
mcp_tool_spec.to_tool_list_async()to convert all Emissions API MCP tools into nativeFunctionToolobjects that any LlamaIndex agent can use. - 4
Run with any LLM
Create a
FunctionAgentwith the tools and your preferred LLM. SwapOpenAIforAnthropic,Gemini, or any LlamaIndex-supported provider.
from llama_index.tools.mcp import BasicMCPClient, McpToolSpec
from llama_index.core.agent.workflow import FunctionAgent
from llama_index.llms.openai import OpenAI
# Connect to the MCP
mcp_client = BasicMCPClient(
"https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
)
mcp_tool_spec = McpToolSpec(client=mcp_client)
# Convert MCP tools to LlamaIndex tools
tools = await mcp_tool_spec.to_tool_list_async()
# Create and run the agent
agent = FunctionAgent(
tools=tools,
llm=OpenAI(model="gpt-4o"),
system_prompt="You have access to Emissions API tools.",
)
response = await agent.run("List recent Emissions API data") Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Emissions API. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.
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Common questions about Emissions API MCP in LlamaIndex
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