MCP server

Proper Job Building Cost Calculator

io.github.falsalama/proper-job

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkAbout 28,820 tokens per request once connected4 tools

https://www.proper-job.uk/api/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 4
Token cost: About 28,820 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.proper-job]
url = "https://www.proper-job.uk/api/mcp"

Gemini CLI

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

Cursor

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

VS Code

{"servers":{"proper-job":{"type":"http","url":"https://www.proper-job.uk/api/mcp"}}}

Antigravity

agy mcp add proper-job https://www.proper-job.uk/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"proper-job","server_url":"https://www.proper-job.uk/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"proper-job","server_url":"https://www.proper-job.uk/api/mcp"}

calculate_building_work ~13090 tokens
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
calculate_guide_price ~4053 tokens
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 ~7642 tokens
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
get_estimate_requirements ~4035 tokens
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.

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