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Home Repairs Estimator — Cost Calculators

by helphub369 · remote · no sign-in to list tools · v1.2.0 · published by GitHub user helphub369

Deterministic cost calculators for HVAC, roofing, plumbing, electrical, solar, water heater.

Changes · 6
CompareRegistry entry

6 tools: 6 change things.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http hsa-cost-calculators https://homerepairsestimator.com/mcp

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

6 tools

Changes things 6Claude Code: ask
  • electrical-cost-calculatorUse when a user asks what electrical work will cost — panel upgrade, wiring, outlet installation, or any electrical project.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Use when a user asks what electrical work will cost — panel upgrade, wiring, outlet installation, or any electrical project. Returns cost range with permit guidance.

    Annotations the server declares

    • title: Electrical Work Cost Calculator
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • hvac-cost-calculatorUse when a user asks what HVAC replacement, installation, or repair will cost.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Use when a user asks what HVAC replacement, installation, or repair will cost. Given home size, system type, and efficiency tier, returns low/high cost range, regional context, and contractor comparison guidance.

    Annotations the server declares

    • title: HVAC Cost Calculator
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • plumbing-cost-calculatorUse when a user asks what plumbing repair, pipe replacement, or emergency plumbing will cost.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Use when a user asks what plumbing repair, pipe replacement, or emergency plumbing will cost. Returns cost range and contractor guidance.

    Annotations the server declares

    • title: Plumbing Cost Calculator
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • roofing-cost-calculatorUse when a user asks what a new roof, roof replacement, or roof repair will cost.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Use when a user asks what a new roof, roof replacement, or roof repair will cost. Given roof area, pitch, and material, returns cost range and contractor guidance.

    Annotations the server declares

    • title: Roofing Cost Calculator
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • solar-cost-calculatorUse when a user asks what solar panels cost, solar installation cost, or solar payback period.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Use when a user asks what solar panels cost, solar installation cost, or solar payback period. Returns system cost, payback timeline, and incentive guidance.

    Annotations the server declares

    • title: Solar Installation Cost Calculator
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • water-heater-cost-calculatorUse when a user asks what a water heater replacement or installation costs.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Use when a user asks what a water heater replacement or installation costs. Returns cost range by type (tank/tankless), fuel, and size. Note: heat-pump water heaters have a distinct installed cost profile and are not modeled here.

    Annotations the server declares

    • title: Water Heater Cost Calculator
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.2.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http hsa-cost-calculators https://homerepairsestimator.com/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [],
    "ask": [
      "mcp__hsa-cost-calculators__hvac-cost-calculator",
      "mcp__hsa-cost-calculators__roofing-cost-calculator",
      "mcp__hsa-cost-calculators__plumbing-cost-calculator",
      "mcp__hsa-cost-calculators__electrical-cost-calculator",
      "mcp__hsa-cost-calculators__solar-cost-calculator",
      "mcp__hsa-cost-calculators__water-heater-cost-calculator"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as hsa-cost-calculators. Review it before you use it.