What is the key difference between Epa Envirofacts and Hermes Action Bridge?

Epa Envirofacts belongs to the Developer Tools category with local stdio execution, while Hermes Action Bridge belongs to the Developer Tools category with local stdio execution.

How do I install Epa Envirofacts or Hermes Action Bridge in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Epa Envirofacts and Hermes Action Bridge free or paid?

Epa Envirofacts operates under a Free / Open Source model (No auth required). Hermes Action Bridge operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Epa Envirofacts lists 3 tools with 0 views and 0 GitHub stars. Hermes Action Bridge lists 5 tools with 2 views and 5 GitHub stars.

Can I use both Epa Envirofacts and Hermes Action Bridge together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Epa Envirofacts vs Hermes Action Bridge

In-depth architectural comparison of the Epa Envirofacts and Hermes Action Bridge MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Epa Envirofacts

Developer Tools · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Hermes Action Bridge

Developer Tools · Local stdio

Quality: 57/100 (Good) | Auth: No auth required

Verdict Summary: Choose Epa Envirofacts if you need specialized Developer Tools tools running via a local process. Choose Hermes Action Bridge if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Epa Envirofacts when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: facilities_by_zip, facilities_by_state, get_facility.

Explore Epa Envirofacts Details

Choose Hermes Action Bridge when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: hermes_run, hermes_plan, hermes_capabilities.

Explore Hermes Action Bridge Details

Feature & Specification Comparison

Specification	E Epa Envirofacts Developer Tools	Hermes Action Bridge Developer Tools
Summary	US EPA Envirofacts MCP.	Delegate real-world actions from Claude Code, Codex, and other agents to Hermes Agent.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Epa Envirofacts Tools (3)

facilities_by_zip

List EPA-regulated facilities in a US ZIP code from the EPA Facility Registry Service (FRS). Returns each facility once with all the EPA programs (RCRAINFO, NPDES, AIRS, TRI, etc.) it's regulated under. Keyless.

facilities_by_state

List EPA-regulated facilities in a US state (and optionally a city) from the EPA Facility Registry Service (FRS). Returns each facility once with all the EPA programs it is regulated under. Keyless.

get_facility

Look up one EPA-regulated facility by its FRS Registry ID. Returns the facility detail plus a programs[] array listing every EPA program (RCRAINFO, NPDES, AIRS, TRI, etc.) the site is regulated under. Keyless.

Hermes Action Bridge Tools (5)

hermes_run

delegate a request to Hermes. Optional overrides: `mode`, `preset`, `contextFiles`, `yolo`, `dryRun`, and — to trade cost for speed on simple tasks — `model`, `provider`, `maxTurns`, `timeoutSeconds`. Any effective `execute` request opens an interactive confirmation form first.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Epa Envirofacts Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "epa-envirofacts": {
      "command": "npx",
      "args": [
        "-y",
        "epa-envirofacts"
      ]
    }
  }
}

Hermes Action Bridge Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "hermes-action-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

Frequently Asked Questions

Epa Envirofacts is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Hermes Action Bridge belongs to Developer Tools using local stdio subprocess. Select Epa Envirofacts when you need capabilities focused on developer tools and Hermes Action Bridge when you require tools for developer tools.

More alternatives to Epa Envirofacts More alternatives to Hermes Action Bridge Developer Tools category hub