The Blueprint Execution Engine AI Agents Can Actually Trust.
Vision models guess dimensions. MeasureMint proves them. Every quantity your agent produces comes with a verifiable, auditable calculation receipt — signed shoelace math, scale calibration ratio, and ISO 32000 PDF coordinates — so estimators bidding millions on fixed-price contracts can defend every number.
{
"mcpServers": {
"measuremint": {
"command": "node",
"args": ["/path/to/measuremint-ai/apps/desktop/mcp/server.js"],
"env": {
"MEASUREMINT_LOG_LEVEL": "info"
}
}
}
}
// Prompt your agent in Claude Desktop or Cursor:
// "Open Wendell-Drawings.pdf, calibrate page 1 to 1/4\" = 1'-0\",
// resolve all cross-sheet callouts to detail sheets,
// measure the conference room area, diff against Addendum 2,
// and export an ISO 32000 Bluebeam-compliant annotated PDF."{
"tool": "diff_sheets",
"status": "ok",
"data": {
"documentId": "doc_aec_a101",
"sheetA": "A-101_Base_Bid.pdf",
"sheetB": "A-101_Addendum_2.pdf",
"scale": "1/4\" = 1'-0\" (0.055556 ft/pt)",
"deltaClassification": "minor_delta",
"summary": {
"addedCount": 4,
"removedCount": 1,
"modifiedCount": 3,
"totalChanges": 8
},
"netQuantityImpact": {
"drywall_area_ft2": "+342.50 sq ft",
"perimeter_linear_ft": "+48.00 ft",
"led_fixtures_ea": "+6 fixtures"
},
"provenanceReceipt": {
"formula": "shoelace_polygon",
"confidence": 1,
"qualityMode": "native_vector_cad",
"iso32000Annotation": "/Subtype /Polygon",
"executionTimeMs": 1.84
}
}
}Every calculation produces a verifiable cryptographic receipt with exact shoelace geometry, scale factors, and ISO 32000 PDF annotation tags.
Four Walls That Stop Construction AI in Its Tracks
Frontier vision models can describe what they see in a photo. But when an autonomous agent tries to bid a real construction project, it hits four hard architectural walls that no amount of prompt engineering can fix.
1. Scale Ignorance & Hallucinated Dimensions
FATAL GEOMETRY FLAWBlueprints use variable scales — $1/4" = 1'-0"$, $1" = 20'$, $1\frac12" = 1'-0"$ — often multiple scales on a single page. Normalized pixel bounding boxes produce hallucinated dimensions. MeasureMint provides deterministic CAD scale transforms with sub-pixel precision on every vertex.
2. The Fixed-Price Bid Liability Wall
TRUST DEFICITA subcontractor who underbids a fixed-price contract by 15% can lose hundreds of thousands of dollars. Black-box AI outputs offer zero legal protection. MeasureMint generates cryptographic calculation receipts — exact shoelace vertex coordinates, scale calibration ratio, and ISO 32000 annotation ID — that estimators can hand to owners as auditable proof.
3. Floating-Point Coordinate Drift
PRECISION FAILUREStandard floating-point arithmetic accumulates significant error over complex multi-vertex perimeters. MeasureMint calculates exact shoelace polygon areas, perimeters, volumes, and angles with zero mathematical drift — the same calculation, every time, reproducible by any auditor.
4. The Addenda & Revision Trap
HIGHEST URGENCYBids are won or lost on Addendum 3 or 4, issued 48 hours before the bid deadline. The most expensive problem in preconstruction is not measuring Sheet A-101 from scratch — it is diffing Sheet A-101 Rev 1 against Rev 2, detecting what the architect quietly shifted, and re-calculating only the delta. MeasureMint's diff_sheets tool does this in milliseconds with a complete net quantity impact receipt.
One Deterministic Engine. Four Access Surfaces.
Frontier AI models handle reasoning. MeasureMint provides the mathematical precision, multi-sheet spatial graphs, addenda delta diffing, and human audit verification that fixed-price construction bids demand.
MCP Server (stdio JSON-RPC)
Claude Desktop, Cursor, and custom LangGraph loops call 17+ typed AEC tools to drive takeoffs programmatically.
measuremint (PyPI)
LangGraph and CrewAI developers call all 34 AEC tools with `client.get_langgraph_tools()` — one line.
@measuremint/viewer
Embeddable React blueprint canvas with zoom/pan, scale badges, and confidence inspector receipts.
MeasureMint Desktop
Cross-platform Electron workstation for estimators managing 400-page multi-discipline plan sets offline.
@measuremint/core
Node.js · Browser · Bun · EdgeThe single source of truth for architectural geometry. Computes shoelace polygon areas, perimeters, volumes, and angles with zero floating-point accumulation drift. Automatically flags low-confidence or scanned raster sheets with requires_verification provenance receipts.
Key Capabilities & Guarantees:
packages/coreInspect on GitHub ↗17+ AEC Blueprint Tools via MCP
Every tool in MeasureMint adheres to one strict acceptance standard: Can an autonomous agent execute this without clicking?
diff_sheets({ documentIdA, pageIndexA, documentIdB, pageIndexB })Compare two blueprint sheets or addenda revisions to detect geometric deltas, modified markups, scale adjustments, and CSI quantity variances.
analyze_page_quality({ documentId, pageIndex })Inspect page vector-vs-raster quality, scan detection, deskew angle, and scale confidence rating. Auto-flags scanned sheets for verification.
reconcile_schedule_to_plan({ documentId, schedule: [...] })Reconcile equipment or fixture schedule items (e.g. VAV-1, FD-2, Panel A) against blueprint takeoffs to catch omissions before bid day.
Why AI Agents Require Infrastructure, Not Another Walled Garden
Building autonomous construction agents on top of black-box vision SaaS or desktop viewers hits fundamental walls. MeasureMint provides the programmable foundation.
| Evaluation Criteria | MeasureMint AIAgent Infrastructure | Black-Box CV Apps (Togal, Beam, Kreo) | Legacy Desktop (Bluebeam Revu) |
|---|---|---|---|
| Architecture & Developer Access | Programmable Headless MCP & SDK Connects to Claude, Cursor, LangGraph via stdio JSON-RPC or npm package. Full API control. | Closed Cloud Walled Garden Proprietary web application with no agent API. Must hand-click buttons in their portal. | Desktop GUI Only Manual mouse-driven software. Revu MAX adds chat assistant but no headless takeoff execution. |
| Scale Math & Coordinate Precision | Deterministic Architectural Geometry Shoelace polygon formulas with architectural scale transforms ($1/4" = 1'-0"$). 0% coordinate drift. | Pixel Approximation Guesswork Frontier CV models segment raster pixels without understanding architectural CAD vector scales. | Manual Vector Tracing Accurate scale tools, but requires an estimator to hand-click every vertex manually. |
| Trust & Human Visual Verification | Provenance Receipts + Embeddable React Canvas Every calculation generates an audit receipt. Embed <BlueprintViewer /> inside your app for human review. | Opaque Black-Box Numbers Generates quantities without verifiable mathematical receipts. Estimators cannot audit bounding boxes. | 100% Human Audited Human draws everything, but takes 18+ hours per week per estimator on large sets. |
| Multi-Sheet Spatial Knowledge Graph | Automated Callout Resolution & Graph Resolves section bubbles (1/A-301) to destination sheets and maps discipline relationships automatically. | Isolated Sheet Processing Treats each sheet as a disconnected PNG image. Zero cross-sheet callout intelligence. | Manual Hyperlinks Estimators or document controllers must manually link detail callouts sheet by sheet. |
| Addenda & Revision Delta Engine | Deterministic diff_sheets Tool Compares revisions in milliseconds, computing added/modified markups and net CSI quantity impact. | Visual Pixel Overlay Only Overlays red/green raster pixels without calculating numeric square-footage changes. | Manual Compare Documents Color compare generates visual markup clouds; quantity differences must still be measured by hand. |
| Ecosystem Standards & Interchange | Native ISO 32000 PDF Annotations Annotations open natively in Bluebeam Revu with full measurement properties, author, and status. | Proprietary Cloud Lock-In Takeoffs stay inside their SaaS. Contractors must re-export CSVs and re-trace in Bluebeam. | Native PDF Standard The industry standard format, but trapped inside proprietary desktop licensing. |
| Data Privacy & Execution Environment | 100% Local / Air-Gapped / On-Device Runs on your hardware via local stdio. Sensitive bid plans never leave your infrastructure. | Mandatory Third-Party Cloud Upload Requires uploading confidential drawings and owner specifications to external cloud servers. | Local Workstation Files stored locally on disk, but modern licensing requires active cloud license checks. |
Measuremint vs. Bluebeam® & Togal.ai®
The full vector markup speed of Bluebeam combined with automated takeoff intelligence—without forced cloud uploads or per-seat penalties.
| Workflow Capability | Measuremint AIBest Value & Speed | Bluebeam Revu® | Togal.ai® |
|---|---|---|---|
Bidding Rush Hour & Speed Performance on 200+ page architectural addenda | Sub-second sheet flips (60 FPS) Zero lag or beachballs on complex multi-layer vector sheets. | 15–45 second loading lag Frequently freezes or drops annotations during deadline rush hours. | 3–5 min upload & processing Must upload 500MB plan sets over web browsers before takeoff. |
Trained Blueprint AI & Automation 80+ CSI trade recognition, custom symbols & MCP execution | Trained Blueprint Model + Draw-to-Teach 80+ CSI trade scanner, active symbol learning, and 17-tool deterministic MCP engine. | Manual Takeoff (Even in Max) Max ($640/yr) adds text MCP chat, but lacks a trained visual takeoff model. | Static Black-Box Room Detection Detects rooms in a closed cloud but cannot be fine-tuned or embedded via SDK. |
Data Privacy & Confidential NDAs Protection for confidential bid sets & unit rates | 100% Local On-Device AI Option Runs locally on CPU/GPU. Plan sheets never leave your machine. | Cloud push & external MCP setup Pushed to cloud. Max requires third-party desktop apps (Claude Desktop). | 100% Cloud Upload Required All confidential plans, owner details, and bids uploaded to cloud servers. |
Annual Team & Startup Economics Cost for 5-person precon team or ConTech AI startup | $2,988/yr Startup SDK · $4,140/yr Team BYOM Replaces $17k/yr in legacy seats OR $250k+ of building a blueprint AI engine in-house. | $2,000 – $3,200 / year Forced $400–$640/user/yr subscription. Zero embeddable SDK for AI builders. | $15,000 / year ($250/user/mo) Takeoff-only—contractors must STILL pay Bluebeam $2,000/yr ($17,000/yr total). |
Spreadsheet Export Pipeline Moving takeoffs into estimating sheets | 1-Click Clean CSI MasterFormat CSV Pre-formatted schedules mapped directly to standard CSI codes and net quantities. | Forced $400/yr Complete Tier Quantity Link to Excel locked behind most expensive tier. Cluttered markups list. | Takeoff-Only Export Exports takeoff data, but lacks integrated general markups and stamps. |
Operating System & Platform Support Platforms, device flexibility & offline mode | macOS, Windows, Linux & Web Native Mac & Windows apps, plus Linux via Web Studio with offline tools. | Windows Only (Discontinued Mac in 2020) Windows only. No Linux support. Forces non-Windows teams to run emulation. | Web Browser Only (Cloud Only) Web companion only. Dependent on active internet with zero offline tool. |
Zero lag or beachballs on complex multi-layer vector sheets.
Frequently freezes or drops annotations during deadline rush hours.
Must upload 500MB plan sets over web browsers before takeoff.
80+ CSI trade scanner, active symbol learning, and 17-tool deterministic MCP engine.
Max ($640/yr) adds text MCP chat, but lacks a trained visual takeoff model.
Detects rooms in a closed cloud but cannot be fine-tuned or embedded via SDK.
Runs locally on CPU/GPU. Plan sheets never leave your machine.
Pushed to cloud. Max requires third-party desktop apps (Claude Desktop).
All confidential plans, owner details, and bids uploaded to cloud servers.
Replaces $17k/yr in legacy seats OR $250k+ of building a blueprint AI engine in-house.
Forced $400–$640/user/yr subscription. Zero embeddable SDK for AI builders.
Takeoff-only—contractors must STILL pay Bluebeam $2,000/yr ($17,000/yr total).
Pre-formatted schedules mapped directly to standard CSI codes and net quantities.
Quantity Link to Excel locked behind most expensive tier. Cluttered markups list.
Exports takeoff data, but lacks integrated general markups and stamps.
Native Mac & Windows apps, plus Linux via Web Studio with offline tools.
Windows only. No Linux support. Forces non-Windows teams to run emulation.
Web companion only. Dependent on active internet with zero offline tool.
* Bluebeam® and Bluebeam Revu® are registered trademarks of Bluebeam, Inc. Togal.ai® is a registered trademark of Togal.ai, Inc. This comparison is based on publicly available documentation as of 2026.
No "Contact Sales" runaround. Transparent, flat pricing.
Built to solve the hardest problems in construction AI: a trained blueprint model with deterministic math, a drop-in replacement for Bluebeam® & Togal.ai®, and an embeddable SDK for ConTech AI startups.
Pre-Launch Pilot
270+ Users Signed UpFull access for AI agent builders, Bluebeam/Togal switchers, and estimators testing our trained blueprint model and deterministic MCP engine.
- ✓Trained Blueprint AI Scanner: 80+ CSI trades, symbol recognition & title-block extraction
- ✓Local stdio MCP Server: 17+ AEC blueprint tools for Claude Desktop, Cursor & LangGraph
- ✓Draw-to-Teach Active Learning: train custom blueprint symbols & export JSON weights
- ✓Bluebeam & CSI Parity: 1-click ISO 32000 PDF markups & MasterFormat CSV schedules
- ✓100% Local On-Device Execution: Desktop (macOS/Windows) & Web Studio (Zero cloud uploads)
Enterprise BYOM License
Strict Data GovernanceReplaces both Bluebeam Revu MAX ($640/yr) and Togal.ai ($3,000/yr). Pair our trained blueprint geometry engine with your own private AI model.
- ✓Pre-Trained Blueprint Model + BYOM: connect Claude, GPT-4o, Gemini, Bedrock, or local Ollama
- ✓Millisecond Addenda Delta (
diff_sheets): auto-compare sheet revisions with net CSI quantity impact - ✓Cryptographic Provenance Receipts: signed shoelace math & scale proof for fixed-price bids
- ✓100% Data Sovereignty: air-gapped local execution — confidential plans never leave your perimeter
- ✓Firm-wide custom Draw-to-Teach symbol library, SSO/SAML & role governance
Fully Managed AI
Premium Value SeatFor ConTech AI startups (building Bluebeam/Togal competitors) and enterprise teams. Embed our trained blueprint model, core SDK, and React viewer with hosted GPU compute included.
- ✓Commercial Startup SDK: embed
@measuremint/core&<BlueprintViewer />React audit canvas - ✓Hosted Blueprint-Trained Vision & Vector API: up to 2,500 plan sheets/mo on dedicated GPUs
- ✓Custom Model Fine-Tuning Pipeline: train proprietary symbol & trade models on your plan sets
- ✓Multi-Agent Orchestration: headless Python / LangGraph / CrewAI batch takeoff concurrency
- ✓White-label ISO 32000 Bluebeam exports, CSI RAG intelligence & priority bid-day SLA
Togal.ai ($15,000/yr cloud-only black box) + Bluebeam Revu ($2,000+/yr Windows-only manual markups). Zero agent API or SDK.
Hiring CV engineers to label 80+ CSI trades, solve CAD scale calibration, fix shoelace coordinate drift, and write ISO 32000 PDF parsers.
Plug in our trained blueprint model, 17-tool MCP server, and Bluebeam-native React viewer in 60 seconds.
Get Early Access to the Blueprint Execution Engine
Join ConTech startups and enterprise preconstruction teams already building with MeasureMint. Get immediate access to the stdio MCP server, @measuremint/core npm tokens, AEC blueprint test harness, and private Discord.
Three Guarantees No Black-Box AI Can Match
Every quantity carries an auditable calculation receipt: exact vertex coordinates, shoelace formula, scale calibration ratio, and ISO 32000 annotation ID. Estimators can hand owners mathematical proof of every number on the bid.
The diff_sheets tool compares blueprint revisions with deterministic geometry — detecting added rooms, displaced fixtures, and modified partitions with a complete net CSI quantity impact receipt. The highest-urgency preconstruction workflow, solved.
Runs fully local on your hardware via stdio JSON-RPC. Sensitive bid plans never leave your infrastructure. Exported PDF annotations open natively in Bluebeam Revu with full measurement properties, author, and layer parity.
Ready to connect Claude Desktop or Cursor?
Check our in-app developer guide with MCP agent configuration snippets, 17+ AEC blueprint tools reference, and golden sample files.
