Epa MCP Server vs Openaq MCP Server
A side-by-side look at the Epa MCP Server and Openaq MCP Server MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Epa MCP Server for environment & nature work as a local process; choose Openaq MCP Server for environment & nature as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Epa MCP Server when
- You need dedicated capabilities in the Environment & Nature domain.
- You prefer a local stdio subprocess transport.
- You want tools like
epa_search_facilities, epa_get_facility, epa_search_violations.
Choose Openaq MCP Server when
- You need dedicated capabilities in the Environment & Nature domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
OPENAQ_API_KEY. - You want tools like
openaq_find_locations, openaq_get_readings, openaq_get_measurements.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Environment & Nature | Environment & Nature |
| Quality signal | 52/100 · Good | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | OPENAQ_API_KEY |
| Verified owner | Community listing | Community listing |
| GitHub stars | 1 | 2 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 9 | 8 |
| Full listing | View Epa MCP Server | View Openaq MCP Server |
Tools & capabilities
Epa MCP Server tools 9
epa_search_facilitiesSearch EPA-regulated facilities by location, industry program, or compliance status across CAA, CWA, RCRA, TRI, and SDWAepa_get_facilityFull compliance profile for one facility by EPA Registry ID — inspections, enforcement actions, and penaltiesepa_search_violationsSearch EPA civil and criminal enforcement cases by state, program, or date rangeepa_get_air_qualityCurrent AQI observations or the issued AQI forecast from AirNowepa_get_tri_releasesPer-chemical Toxic Release Inventory data for a single facilityepa_search_tri_releasesToxic Release Inventory records across facilities in a state or countyepa_search_superfundSearch Superfund (CERCLA/SEMS) sites by location or NPL listing statusepa_search_water_systemsSearch drinking water systems (SDWIS) by state or ZIP codeepa_get_ejscreenEJScreen environmental-justice indicators for a point and buffer
Openaq MCP Server tools 8
openaq_find_locationsFind monitoring stations near a point, in a bounding box, or by country; the location ids the other tools takeopenaq_get_readingsLatest value for every sensor at a station, labeled with its pollutant and unitopenaq_get_measurementsHistorical series for one pollutant at one station, raw or rolled up hourly/dailyopenaq_list_parametersPollutant catalog with canonical units; maps a pollutant and unit to its parameter idopenaq_list_countriesCountry coverage: data span and the parameters measured in eachopenaq_dataframe_describeList the tables and columns staged on a DataCanvasopenaq_dataframe_queryRun a read-only SQL `SELECT` over staged measurement seriesopenaq_dataframe_dropDelete a complete staged canvas; opt-in with `OPENAQ_ENABLE_CANVAS_DROP=true
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Epa MCP Server
{
"mcpServers": {
"epa-mcp-server": {
"command": "bunx",
"args": [
"@cyanheads/epa-mcp-server@latest"
]
}
}
}
Openaq MCP Server
{
"mcpServers": {
"openaq-mcp-server": {
"command": "bunx",
"args": [
"@cyanheads/openaq-mcp-server@latest"
],
"env": {
"OPENAQ_API_KEY": "YOUR_OPENAQ_API_KEY_HERE"
}
}
}
}
Frequently asked questions
Epa MCP Server is categorized under Environment & Nature and uses a local stdio subprocess. Openaq MCP Server belongs to Environment & Nature and uses a local stdio subprocess. Pick Epa MCP Server for environment & nature work and Openaq MCP Server for environment & nature.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Epa MCP Server has no declared pricing — check the project's own site. Openaq MCP Server has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add epa-mcp-server and openaq-mcp-server as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Epa MCP Server has a quality signal of 52/100 (Good) with 0 views, 0 installs and 1 GitHub stars. Openaq MCP Server has 53/100 (Good) with 0 views, 0 installs and 2 GitHub stars.