Summary
Wraps the EPA Envirofacts REST API to pull environmental emissions data without any authentication hassle. Part of the Pipeworx gateway, which bundles 250+ data sources behind a single MCP interface. The repo is light on specifics about which tools ship with it, but you get the standard Pipeworx pattern: either call tools directly or use ask_pipeworx to throw natural language questions at it and let the gateway route to the right endpoint. Useful if you're building climate dashboards, compliance tools, or research workflows that need official US emissions records. Free tier, hosted at gateway.pipeworx.io, or grab the full gateway for broader access.
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mcp-epa-emissions
EPA Emissions MCP — wraps EPA Envirofacts REST API (free, no auth)
Part of Pipeworx — an MCP gateway connecting AI agents to 1476+ live data sources.
Tools
| Tool | Description |
|---|---|
ghg_facility_emissions | The biggest greenhouse-gas-emitting facilities in a US state (EPA GHGRP), ranked by total CO2-equivalent emissions. Returns each facility's name, location, industry sector(s), and total metric tons CO2e. State-scoped (pass a state). Data lags ~1.5 years — latest full year is auto-selected (currently 2023) unless a year is given. |
ghg_emissions_by_sector | Total greenhouse-gas emissions by INDUSTRY SECTOR within a US state (EPA GHGRP) — answers 'which sectors emit the most in '. Sectors: Power Plants, Refineries, Chemicals, Metals, Minerals, Pulp and Paper, Petroleum and Natural Gas Systems, Waste, etc. Returns each sector's total metric tons CO2e and facility count, ranked. State-scoped (pass a state); data lags ~1.5y so the latest full year (~2023) is auto-selected unless year is given. |
tri_facility_releases | Search EPA TRI toxic chemical release facilities by state, and optionally by COUNTY — "what toxic releases are reported in Harris County, Texas" is the shape these questions usually take. Returns facility location, county, type, and chemicals released with quantities in pounds. |
tri_chemical_releases | Track toxic chemical releases by chemical name and state. Returns quantities released to air, water, and land broken down by year. |
tri_trends | Analyze toxic release trends over time by state or chemical. Returns historical release data across years to identify patterns and changes. |
Quick Start
Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):
{
"mcpServers": {
"epa-emissions": {
"url": "https://gateway.pipeworx.io/epa-emissions/mcp"
}
}
}
What this endpoint actually serves
tools/list at https://gateway.pipeworx.io/epa-emissions/mcp returns the tools in the table
above plus the shared Pipeworx meta-tools — ask_pipeworx,
discover_tools, search_within, remember/recall and the rest of the
gateway-wide set. So the tool count you see is larger than this table: a
single-pack endpoint currently lists roughly 30 shared tools alongside the
pack's own. The connection's initialize response states its exact scope, and
is the authoritative answer for a given day.
This is deliberate, not multiplexing by accident. The meta-tools are what let a
scoped connection answer a question this pack does not cover — via
ask_pipeworx, which routes across the whole catalog — without you adding a
second MCP server. There is currently no way to mount a pack endpoint without
them; if the extra schemas cost you more context than the routing is worth,
connect to the full gateway once rather than to several pack endpoints.
Or connect to the full Pipeworx gateway to get every pack's tools listed directly, instead of just this one's:
{
"mcpServers": {
"pipeworx": {
"url": "https://gateway.pipeworx.io/mcp"
}
}
}
Both URLs reach the same gateway and the same 1476+ data sources. The
only difference is which pack's tools are listed directly; ask_pipeworx
reaches all of them from either one.
Using with ask_pipeworx
Instead of calling tools directly, you can ask questions in plain English — this works on the pack endpoint above as well as on the full gateway:
ask_pipeworx({ question: "your question about Epa Emissions data" })
The gateway picks the right tool and fills the arguments automatically.
More
License
MIT
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Plug Mailtrap into your AI workflow and let it handle the email.
Connect Mailtrap MCP →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Make coding agent sessions - Searchable, Shareable, Vendor-neutral & Scored.
Try For Free →Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →belt cli automatically finds the best tools and skills for your agent. image, video, music, tts...
one prompt install →