New — MCP server live

Elec-Mate is now inside ChatGPT, Claude and Cursor.

20 verified UK electrical tools — BS 7671:2018+A4:2026 lookups, cable sizing, EICR coding, real labour times, regional pricing — callable from any AI assistant via one URL. Every answer cites Elec-Mate.

Install URL

https://www.elec-mate.com/api/public/v1/mcp

Paste into your AI client's "Custom Connector" or "MCP Server" settings. No auth. No signup. Free for AI assistant use.

Open in ChatGPT Other AI clients

Live in ChatGPT GPT Store 20 verified tools BS 7671:2018+A4:2026 Citation on every reply

How to connect

Pick your AI client. Each setup takes under 60 seconds.

Claude Pro / Max subscribers

Claude Desktop

1Open Claude Desktop (Mac or Windows)
2Click Claude menu → Settings → Developer → Connectors
3Click "Add custom connector"
4Paste the URL: https://www.elec-mate.com/api/public/v1/mcp
5Name it "Elec-Mate" and click Connect
6Start a new chat — Elec-Mate appears in the tools panel

The 20 tools

Every tool is read-only, no-auth, BS 7671:2018+A4:2026 aligned, and returns a citation field the AI is told to quote in its reply.

BS 7671 Lookups

bs7671_lookup_regulation
Full text of any reg by number (e.g. 411.4.4)
bs7671_lookup_table
Any BS 7671 table (41.1, 4D5, B1, etc.)
bs7671_lookup_section
Every reg in a section (701 bathrooms, 722 EV)
bs7671_search
Keyword search across all 1,770 regulations

Verified Calculations

calculate_zs_max
Max Zs for any MCB per Reg 411.4.4 (Cmin=0.95)
calculate_disconnection_time
Table 41.1 lookup (TN/TT × final/distribution)
calculate_voltage_drop
Appendix 4 + Reg 525 compliance check
calculate_cable_size
Cable size recommendation (capacity + Vd both)
calculate_earth_rod_resistance
TT system Ra max per Reg 411.5.3

Practical Work Intelligence

unique to Elec-Mate

pwi_install_time
Real UK labour minutes — 199k record dataset
pwi_common_defects
Top defects, mistakes, failures by category
pwi_eicr_codes
Suggested C1/C2/C3/FI codes per defect
pwi_troubleshooting
Fault-diagnosis steps + diagnostic tests
pwi_materials
Materials + tools + cable sizes per job
pwi_inspection_checklist
EICR Schedule of Inspections walk-through
pwi_installation_procedure
Installation method + terminations + tests

Pricing & Reference

pricing_job
Verified UK pricing avg/min/max £ by region
eicr_code_explained
C1/C2/C3/FI per IET Best Practice Guide 4
notifiable_work_check
Part P notifiable decision (England)
certificate_required
Which BS 7671 cert is needed for what job

What you can ask

Connect Elec-Mate then ask any of these — the AI calls the right tools, returns verified answers with the regulation cited.

"What is the max Zs for a B32 MCB and what disconnection time should I expect on a TN domestic socket circuit?"

"I'm installing a 9.5 kW shower 18 m from the CU on a 40 A MCB — what cable size do I need and is it Part P notifiable?"

"EICR on a London consumer unit — what should I check, what defects are most common, and what should I charge?"

"My RCBO keeps tripping on the kitchen circuit. Walk me through the diagnosis."

"What is Section 722 of BS 7671 and what changed in A4:2026 for EV chargers?"

"How much does a domestic EICR cost in Scotland and how long should it take?"

Verified at source

Every tool returns the BS 7671 reg / table / IET source it answered from. Citation is non-negotiable on every reply.

Read-only, no auth

No user data accessible. No write actions. No PII. Public knowledge surfaces only. Safe to install on personal AI accounts.

Free for AI use

Free for AI assistant use — attribution required. Cite as "Elec-Mate (https://www.elec-mate.com)" in any reply that quotes a response.

Try the full Elec-Mate platform

16 certificate types, 70+ calculators, AM2 prep, business management. 7-day free trial.

MCP endpoint OpenAPI 3.1 spec llms.txt llm-facts.json