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JustFix Estimator

by Just-Fix · remote · no sign-in to list tools · v1.0.0 · published by GitHub user Just-Fix

Quote UK trades jobs from any AI agent. Price breakdown + tappable booking link.

Changes · 2
CompareRegistry entry

3 tools: 2 change things and 1 only read.

Scanned Oct 21, 2026

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

claude mcp add --transport http justfix-skill https://estimator-mcp.justfix.app/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn
  • Warncall_out_fee

    The server marks "call_out_fee" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":false}; The name "call_out_fee" says "call": a word for a change.

    What this check looks for

Tools

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

3 tools

Changes things 2Claude Code: ask
  • call_out_feeGet the call-out fee that applies to bookings.1 finding

    Why it is in this group

    • The name "call_out_fee" says "call": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "call_out_fee" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":false}; The name "call_out_fee" says "call": a word for a change.

      What this check looks for
    Description, as the server wrote it
    Get the call-out fee that applies to bookings. Use when the customer asks about the call-out fee, booking fee, or upfront cost for a booking.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • destructiveHint: false
  • service-estimate-cardService estimate summary card with external action link.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.
    Description, as the server wrote it
    Service estimate summary card with external action link.

    Annotations the server declares

    • readOnlyHint: false
    • openWorldHint: false
    • destructiveHint: false
Only reads 1Claude Code: allow
  • list_servicesGet a list of all services we provide.No findings

    Why it is in this group

    • The name "list_services" says "list": a word for reading.
    Description, as the server wrote it
    Get a list of all services we provide. Use when the customer asks what services are available, what you can book, or similar.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: false
    • destructiveHint: 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 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http justfix-skill https://estimator-mcp.justfix.app/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": [
      "mcp__justfix-skill__list_services"
    ],
    "ask": [
      "mcp__justfix-skill__call_out_fee",
      "mcp__justfix-skill__service-estimate-card"
    ],
    "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 justfix-skill. Review it before you use it.