GoCodebook — California Building Codes
Verbatim California Title 24 and local zoning code lookup by section number, with citations.
Connect it
Settings → Connectors → Add custom connector
URL: https://gocodebook.com/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://gocodebook.com/api/mcp{
"mcpServers": {
"codes": {
"url": "https://gocodebook.com/api/mcp"
}
}
}claude mcp add --transport http codes https://gocodebook.com/api/mcp{
"servers": {
"codes": {
"type": "http",
"url": "https://gocodebook.com/api/mcp"
}
}
}3 tools, verified live
lookup_california_code_sectionread-onlyLook up the VERBATIM text of a California building, residential, fire, plumbing, mechanical, green (CALGreen), energy or existing-building code section, or a section of a California city or county zoning/municipal ordinance, by its section number. Use this whenever the user cites a section number ("CRC R602.10.2.3", "CBC 1004", "§ 17.60.090") or asks what a specific section says. Returns the offic
list_california_code_documentsread-onlyList the California codes and local ordinances available for lookup, and what is not covered. Useful before concluding that a code is unavailable, and for finding the exact document or jurisdiction slug that a lookup takes.
search_california_codesSearch California building codes (Title 24), state housing law and California city and county zoning/municipal codes by TOPIC, when the user does not already have a section number — e.g. "minimum attic access opening", "ADU setbacks in San Jose". Requires the user's GoCodebook account and uses 1 credit per search (also when nothing is found). If the user already cites a section number, use lookup_
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