Proper Job Building Cost Calculator

io.github.falsalama/proper-job · v1.0.2

Tools changed (7 days)

Measured by MCP Station

Last check	Reachable
Checked at	—
Check success 7 / 30 days	—
First-try success 30 days	—
Median response	—
Lookups 30 days	—
Authentication	No auth
MCP version	2025-06-18
Rank score	—
Declared risk	Can write (some tools are not declared read-only)
Capabilities declared	extensions, resources, tools
Tool definitions	4 tools · with description 100% · input schema is an object 100% · read/destructive hints 100%

Free UK building-cost estimates, US beta estimates and scenario comparisons. No account needed.

streamable-http · https://www.proper-job.uk/api/mcp

claude mcp add --transport http proper-job https://www.proper-job.uk/api/mcp

{
  "mcpServers": {
    "proper-job": {
      "url": "https://www.proper-job.uk/api/mcp"
    }
  }
}

calculate_building_work
Use this when a user asks the cost of building, extending or renovating a home, remodelling a kitchen/bathroom, refining a budget or costing drawings, even without naming Proper Job. Computes repeatable local-currency estimates using versioned country-specific construction benchmarks, scope and allo
get_estimate_requirements
Retrieve UK/US input requirements or labelled reference examples when specifically requested. For a project budget, vague cost question or drawings, use calculate_building_work. Reference examples are not the user's project price. No account or drawing-file access.
calculate_guide_price
Calculate the established GB/US Guide Price contract with its required project inputs, when explicitly requested or used with guide comparisons. For the conversational building budget, other countries or drawings, use calculate_building_work. Returns the original guide card and does not read files,
compare_guide_scenarios
Compare GB/US Guide Price scenarios when the user explicitly asks to compare alternatives within those existing policies. Returns the original comparison card and deltas. For other countries or drawing-based refinements, use calculate_building_work with each requested scenario. No foreign-rate conve

2026-10-22: calculate_building_work, get_estimate_requirements, calculate_guide_price, compare_guide_scenarios
2026-10-16: calculate_building_work, get_estimate_requirements, calculate_guide_price, compare_guide_scenarios

Repository · Website · JSON · Text for agents · Registry updated 2026-09-30