# KAIOS BUILD

> KAIOS BUILD is a curated, invite-only builder community. Find collaborators, get useful feedback on real projects, and turn unfinished ideas into measurable progress.

KAIOS BUILD is invite-only and reviewed by a person. It doesn't publish invented numbers or testimonials. Guides are general information, not tax or legal advice.

## Free tools
- [Project Brief Builder](https://kaios.me/tools/project-brief): Turn rough notes into a one-page brief: MVP scope, testable assumptions, a validation plan and next actions.
- [Idea Validation Planner](https://kaios.me/tools/idea-validation): Hypotheses, past-behaviour interview questions, cheap experiments and decision thresholds for the next two weeks.
- [Feedback Request Builder](https://kaios.me/tools/feedback-request): Write one specific, respectful request people actually answer — with a six-point quality check before you send it.
- [SaaS Pricing & Profit Calculator (India)](https://kaios.me/tools/saas-pricing-calculator): See what you really keep from each ₹ after GST, Razorpay or Stripe fees, refunds and AI costs — and how many customers you need.
- [Freelance Project Quote Builder (India)](https://kaios.me/tools/freelance-quote-builder): Turn an income goal into an hourly rate and a client-ready quote with GST, TDS, platform fees and milestone payments.

## Guides
- [How to price a SaaS in India: GST, gateway fees and the margin you actually keep](https://kaios.me/resources/price-a-saas-in-india): A worked example of where ₹999 really goes after GST, Razorpay fees, refunds and AI costs — and four pricing decisions Indian founders get wrong.
- [GST and TDS for Indian freelancers: what to put on the invoice and what reaches your bank](https://kaios.me/resources/gst-and-tds-for-indian-freelancers): A plain-English guide to GST registration, TDS on professional and technical fees under the Income-tax Act, 2025, and invoicing Indian and foreign clients.
- [Milestone payments: how to stop client ghosting without losing the client](https://kaios.me/resources/milestone-payments-protect-freelancers-and-clients): Why upfront deposits and milestone billing protect both sides, how to split a project, and the exact wording to put in your proposal.
- [How to run a student hackathon in a tier-2 city: a practical playbook](https://kaios.me/resources/run-a-hackathon-in-a-tier-2-city): Venue, budget, judging, safety and follow-through for a first hackathon outside the metro tech hubs — written while planning KAIOS BUILD / 001 in Prayagraj.
- [How to write a feedback request people actually answer](https://kaios.me/resources/write-a-feedback-request-people-answer): Why “any thoughts?” gets silence, and a five-part structure for feedback requests that get specific, useful replies.
- [Validate an idea in two weeks without writing code](https://kaios.me/resources/validate-an-idea-in-two-weeks): A practical two-week plan: past-behaviour interviews, a concierge test and a commitment test — plus the thresholds that tell you to continue or change course.
- [Finding a collaborator: a practical checklist before you commit](https://kaios.me/resources/finding-a-collaborator-checklist): How to find a co-builder whose skills complement yours, run a low-risk trial project, and agree the basics before writing code together.

## Local builder hubs
- [Prayagraj, Uttar Pradesh](https://kaios.me/community/prayagraj)

## For agents and developers
- [Remote MCP server](https://kaios.me/api/mcp): read-only tools (Streamable HTTP, stateless).
- [OpenAPI 3.1](https://kaios.me/api/v1/openapi.json): the same tools over REST.
- [Developer docs](https://kaios.me/developers)
- Builder Passports: /b/{handle}/passport.json (schema kaios.builder-passport/1). Verify a record: /verify/{key}.

## About
- [About and founder](https://kaios.me/about)
- [Editorial policy](https://kaios.me/editorial-policy)
- [Pricing](https://kaios.me/pricing)
- [Apply](https://kaios.me/apply)