AI Assistants Built for Real Work
Purpose-built GPT assistants that understand your industry. No prompt engineering required - just describe your project and get expert-level results.
Each GPT is loaded with industry-specific data, terminology, and best practices. They understand your domain out of the box.
Connected to live APIs for saving work, exporting files, and integrating with your existing tools and workflows.
Tasks that used to take hours now take minutes. Get 80-90% complete outputs that just need a final review.
Specialized tools for specific industries
Low-Slope Roofing Calculator
AI-powered material takeoff for commercial flat roofs. Upload a sketch, describe your project, and get a detailed bill of materials in minutes - complete with manufacturer specs, code compliance, and warranty requirements.
Have an idea for a specialized GPT? Let us know
Choose the plan that fits your estimating needs
For occasional estimates
For active estimators
For teams & organizations
* Requires ChatGPT Plus ($20/mo) or Team subscription. Prices shown are for Feathers subscription only.
Sales and estimating teams who need quick, accurate material lists for bids. Get 80-90% complete BOMs in minutes instead of hours.
Help customers build accurate orders. Reduce returns and change orders with comprehensive takeoffs that don't miss accessories.
Verify quantities, catch omissions, and sanity-check contractor bids with an independent estimate.
Support your channel partners with a tool that recommends your systems and understands your warranty requirements.
Custom GPTs are specialized AI assistants built on OpenAI's ChatGPT platform. They're trained with specific knowledge and tools to excel at particular tasks - like roofing estimation or business workflows.
Yes, you need a ChatGPT Plus ($20/month) or Team subscription to use Custom GPTs. The GPT itself may have additional subscription tiers for premium features like exports and saved jobs.
Feathers is our low-slope roofing calculator GPT. It helps commercial roofing professionals generate accurate material takeoffs (BOMs) in minutes, covering 25+ manufacturers, regional codes, and warranty requirements.
Feathers provides 80-90% complete estimates suitable for pricing and ordering. All outputs include documented assumptions and open questions. Final quantities should always be verified with manufacturer specs and local code requirements.
No, Feathers is specifically designed for low-slope (flat) commercial roofing systems: TPO, EPDM, PVC, SBS, and liquid-applied membranes. Steep-slope residential systems are not currently supported.
Yes! We specialize in building purpose-built GPT assistants for specific industries and workflows. Contact us to discuss your needs.
Our GPTs integrate with other GDK products
Secure password & secrets management
Store credentials, API keys, and sensitive configs with zero-knowledge encryption.
Learn MoreTeam coordination & project management
Turn messy communication into durable work artifacts with decision logs and clear ownership.
Learn MoreTry Feathers free or contact us about a custom GPT for your industry.