EMC Regulations MCP Server

An MCP server providing instant access to EMC emission limits, frequency allocations, restricted bands, and compliance requirements. Query FCC Part 15, CISPR, automotive, and cellular standards from any MCP-compatible client.

Features

FCC (United States)

• Part 15.109 - Radiated emission limits (Class A/B)

• Part 15.207 - Conducted emission limits

• Part 15.209 - Radiated emission limits (intentional radiators)

• Part 15.205 - Restricted frequency bands

• Part 18 - ISM equipment limits and bands

CISPR (International)

• CISPR 11 - Industrial, scientific, medical equipment

• CISPR 32 - Multimedia equipment (replaces CISPR 22)

• CISPR 14-1 - Household appliances

• Limit comparison - FCC vs CISPR with distance correction

Automotive EMC

• CISPR 25 - Component emissions (Classes 1-5)

• CISPR 12 - Vehicle-level emissions

• ISO 11452-2 - Radiated immunity levels

• ISO 7637-2 - Conducted transient pulses

• Automotive overview - CISPR/ISO/UNECE R10 summary

Cellular (3GPP)

• LTE bands - All E-UTRA bands with frequencies, duplex, bandwidths

• 5G NR bands - FR1 (sub-6 GHz) and FR2 (mmWave)

• US carrier info - AT&T, Verizon, T-Mobile band assignments

• Frequency lookup - Find which bands contain a frequency

Roadmap

• IEC 60601-1-2 (Medical devices)

• PTCRB certification requirements

Installation

1. Clone and install

git clone https://github.com/RFingAdam/mcp-emc-regulations.git
cd mcp-emc-regulations
uv pip install -e .

2. Configure your MCP client

Run the server command below, or point your MCP client at it:

uv run --directory /path/to/mcp-emc-regulations mcp-emc-regulations

If your client uses a JSON MCP server configuration, a common pattern looks like:

{
  "mcpServers": {
    "emc-regulations": {
      "command": "uv",
      "args": ["run", "--directory", "/path/to/mcp-emc-regulations", "mcp-emc-regulations"]
    }
  }
}

Tools

EMC Limits

Automotive

Frequency Bands

Cellular

Reference

Examples

Check FCC Part 15 limits

What are the FCC Part 15 Class B radiated limits at 100 MHz?

-> Returns 43.5 dBuV/m @ 3m (quasi-peak)

Compare FCC vs CISPR

Compare FCC and CISPR Class B limits at 200 MHz

-> Shows both limits with distance correction notes

Check restricted bands

Is 121.5 MHz a restricted band?

-> Yes - aeronautical emergency frequency

Look up LTE band

What frequencies does LTE Band 7 use?

-> UL: 2500-2570 MHz, DL: 2620-2690 MHz (FDD)

Find carrier bands

What 5G bands does T-Mobile use?

-> Low: n71, Mid: n41/n77, mmWave: n260/n261

Frequency to band lookup

What cellular bands use 3500 MHz?

-> LTE Band 42, NR n77, NR n78

Check ISM bands

Is 2.45 GHz in an ISM band?

-> Yes - 2400-2500 MHz ISM band

CISPR 25 component limit

What is the CISPR 25 Class 3 radiated limit at 150 MHz?

-> Returns the Class 3 broadband limit at 1m (ALSE)

Search regulatory sources

Find the latest RSS-Gen and ICES-003 references for compliance requirements

-> Returns links from ISED and other configured sources

Data Sources

Data Currency

• Local datasets in src/mcp_emc_regulations/data include metadata fields like source, version, and last_updated.

• ecfr_query pulls live CFR text; curated limit tables are not auto-synced to eCFR.

• Use data_sources to see the current dataset versions and last-updated dates.

• For compliance work, verify against official standards and latest releases.

Source Updates

• Configure external sources in sources.json. Use sources.local.json to override URLs or add private sources without committing them.

• Fetch and parse sources into data_sources/manifest.json with:

uv run python scripts/update_sources.py

• Licensed or member-only standards should be placed in the data_sources/ paths listed in sources.json before running the update script.

• Use source_search to run live searches against configured public sources (e.g., FCC KDB, ISED, gov.uk).

License

MIT