Works with the AI tools you already use

    Claude CodeClaude CodeCursorCursorCodex CLICodex CLIGitHub CopilotGitHub CopilotGemini CLIGemini CLI+20 more

    Offerte Vergelijker

    4

    Professional construction quote comparison and tender analysis tool for architects and project managers.

    $5

    Secure checkout via Stripe

    30-day refund guarantee

    Converts to your local currency at checkout

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    offerte-vergelijker

    offerte-vergelijker

    Example session with this skill installed

    Compare these three quotes for the roofing works against the bill of quantities. Mark any missing items and recalculate the totals to check for math errors.

    • Read your context and instructions
    • Compiled the offerte-vergelijker
    PostRef. QtyContr. AContr. BContr. C
    02.01 Insulation120m2€4,800€4,200€7,200 (🔴 >25%)
    02.02 EPDM120m2€6,200MISSING€6,500

    ⚠️ Found arithmetic error in Contractor C: Total is €800 lower than line item sum.

    Connects securely to your tools. The creator never sees your data.

    What you get

    Map line items from multiple PDF quotes to a central Bill of QuantitiesDetect and flag arithmetic errors in contractor pricing totalsIdentify missing posts or exclusions in contractor bids automaticallyGenerate a draft tender comparison report with median-based outlier detection

    About this skill

    Automated Construction Quote Comparison

    This skill streamlines the tedious process of comparing contractor quotes for architectural projects. Instead of manually mapping line items from different PDFs into a spreadsheet, this skill uses your bill of quantities (BoQ) as a reference to align every offer side-by-side.

    What it does

    • Maps disparate quote line items to a central reference structure (BoQ).
    • Calculates mathematical correctness to flag hidden arithmetic errors in contractor pricing.
    • Identifies missing items, deviations in units (e.g., m² vs. lump sum), and exclusions in the fine print.
    • Generates a formatted comparison table highlighting the lowest bidders and price outliers.
    • Produces a tailored "Questionnaire for Contractors" to clarify discrepancies before final selection.

    Why use this skill?

    Prompting an AI yourself often leads to missed fine print or "hallucinated" price alignments. This skill follows a rigorous architectural workflow: normalizing VAT, flagging unit mismatches, and performing a median-based outlier analysis (>25% deviation). It transforms raw contractor documents into a professional draft tender report, saving hours of manual data entry while ensuring no "forgotten" posts skew the total budget.

    Built by Nex AI. More skills and info at nex-ai.be and slopsome.com.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

      Free skills download straight away. Paid skills unlock right after purchase.

    2. 2

      Unzip into your skills folder

      Every agent reads skills from one folder on your machine. Drop the unzipped folder in there.

    3. 3

      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

    Skills folder by agent

    Click the path to copy it. Create the folder if it does not exist yet.

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    Trust & safety

    Security scanned

    Verified clean 1 month ago

    • Passed all security checks, Safe to install

    Listed3 months ago
    Updated1 month ago

    What's inside

    Frequently Asked Questions