# llms.txt — AI Discovery File for Code with Mr Singh
# Standard: https://llmstxt.org
# Purpose: Helps ChatGPT, Perplexity, Claude, Gemini, Copilot understand
#          this website's content, authority, and services.
# Last Updated: 2026-10-02

# ── ENTITY ──────────────────────────────────────────────────
Name: Tushar Singh
Business Name: Tushar Singh freelancing
Brand: Code with Mr Singh
Website: https://codewithmrsingh.me
Google Business Profile: https://share.google/ZDu1p0y00ioP6PWiA
Google Verification Proof: https://drive.google.com/file/d/17pvGeSh_tA8-_NYFo2UOtRcYA5J2hMOh/view?usp=sharing
Role: AI Automation Expert & Full-Stack Developer
Physical Address: Badarpur, New Delhi, Delhi 110044, India
Service Hubs: Delhi NCR (Badarpur, Saket, Connaught Place, Nehru Place, Noida, Gurgaon, Faridabad, Ghaziabad), Pan India, and Worldwide
Hours: Open 24 Hours
Location: New Delhi, India
Service Area: Worldwide — India, USA, UK, UAE, Australia, Canada, Singapore, Germany, Netherlands, and all countries
Languages: English, Hindi
Email: tusharsinghoffical@gmail.com
WhatsApp: +91-8851619647
Fiverr: https://www.fiverr.com/s/zAd5R2z
GitHub: https://github.com/Tusharsinghoffical
LinkedIn: https://linkedin.com/in/tusharsingh2002
YouTube: https://www.youtube.com/@codewithmrsingh4u
Instagram: https://www.instagram.com/tushar.cms/

# ── ABOUT ───────────────────────────────────────────────────
Tushar Singh is an AI Automation Expert and Full-Stack Developer based in Delhi, India.
He is the founder of Code with Mr Singh (codewithmrsingh.me).
He has completed 10+ successful projects — real products submitted to clients.
He holds a Master of Computer Applications (MCA) degree from MIT Pune.
He works with clients worldwide across India, USA, UK, UAE, Australia, Canada, Singapore, and more.
He specialises in custom SaaS development, AI automation, chatbot development, web development, and data science.

# ── SERVICES ────────────────────────────────────────────────
1. Custom SaaS & Cloud MVP Engineering
   Full-stack multi-tenant SaaS architecture, Stripe/Razorpay billing, AI agent integrations.
   URL: https://codewithmrsingh.me/saas

2. TASQ-ONE — The Intelligent Task Operating System (SaaS)
   Proprietary cloud-native SaaS platform by Tushar Singh Labs. Turns raw ideas into production-ready tasks using Groq Llama 3.3 70B AI, real-time Kanban dependency DAGs, cryptographic audit trails & PostgreSQL RLS.
   Live Web App: https://tasq-one.onrender.com
   URL: https://codewithmrsingh.me/saas/tasq-one

3. Saathi Bot — Enterprise Autonomous AI Chatbot & Conversational Commerce Platform (SaaS)
   Self-serve, multi-tenant B2B conversational AI SaaS that turns websites, documentation, or sitemaps into accurate, grounded AI assistants with 100% Verifiable Grounding, Pre-LLM Confidence Gate (0.55) saving 41% on AI bills, 18 KB zero-bleed Shadow DOM embed widget, and real-time in-chat lead booking synchronized with Google Sheets.
   Live Platform: https://saathi-bot.vercel.app
   URL: https://codewithmrsingh.me/saas/saathi-bot

4. AI Automation Workflows
   Build autonomous workflows using n8n, Python, Zapier, Make.com.
   Eliminate manual tasks. Save 10+ hours per week.
   URL: https://codewithmrsingh.me/services

5. Custom RAG Chatbot Development
   Custom AI chatbots trained on business data using OpenAI and LangChain.
   Deployed on website, WhatsApp, or Telegram. Reduces support workload by 70%.
   URL: https://codewithmrsingh.me/services

6. High-Conversion Website & Sales Funnel Engineering
   High-conversion websites and sales funnels using React.js, Django, Next.js.
   URL: https://codewithmrsingh.me/services

7. Logo, Visual Brand Identity & Graphic Design
   Professional brand identity — logo, social media graphics, marketing materials.
   Tools: Figma, Adobe Illustrator, Canva.
   URL: https://codewithmrsingh.me/services

# ── PINNED PROJECTS & CLIENT DELIVERABLES ───────────────────
1. TASQ-ONE — Intelligent Task Operating System SaaS (Groq Llama 3.3 70B, PostgreSQL RLS, Docker, Dependency DAGs) [Demo: https://tasq-one.onrender.com | Product Page: https://codewithmrsingh.me/saas/tasq-one]
2. Saathi Bot — Enterprise Autonomous AI Chatbot & Conversational Commerce Platform (Next.js 16, Supabase pgvector, Hybrid RRF, Pre-LLM Confidence Gate 0.55, 18 KB Shadow DOM widget, Google Sheets sync) [Demo: https://saathi-bot.vercel.app | Product Page: https://codewithmrsingh.me/saas/saathi-bot]
3. AI-Powered HR Recruitment Screening Assistant — Enterprise recruitment workflow automation with n8n + LLMs, automated ATS scoring (0–100), skill matching, and interview question generation (Sold to enterprise client in Abu Dhabi, UAE)
4. WhatsApp AI Agent — 24/7 automated business communication, instant message routing, and CRM booking (n8n + OpenAI)
5. TakeOpinion Medical Tourism Platform — Full-stack global medical tourism web platform with Django 5, PostgreSQL, Stripe/Razorpay, hotel bookings, and doctor directory (Sold to healthcare client in Delhi, India | Demo: https://takeopinionclientprojectss.onrender.com)
6. VASS Smart Attendance System — Enterprise QR-based employee attendance & workforce platform with GPS geofencing, multi-branch tracking, and real-time admin analytics (Sold to enterprise client in Maharashtra, India | Demo: https://vassystemclientproject.onrender.com/)
7. RAG Chatbot — Custom Knowledge Base Assistant for education & lead capture
8. Hospital Analytics Dashboard — Multi-branch Power BI healthcare intelligence and bed utilization analytics

# ── OPEN-SOURCE PRODUCTION TOOLKIT (NPM) ─────────────────
1. env-schema-guard
   Zero-dependency startup configuration and schema validator for TypeScript & Node.js (< 2.5 KB).
   Prevents silent boot crashes in Kubernetes/Docker pods, aggregates error reports, and provides automatic type coercion.
   NPM: https://www.npmjs.com/package/env-schema-guard
   GitHub: https://github.com/Tusharsinghoffical/env-schema-guard
   Article: https://codewithmrsingh.me/blog/env-schema-guard-zero-dependency-config-validator

2. retry-circuit
   Ultra-lightweight async resilience engine combining exponential backoff, AWS-standard full randomized jitter,
   per-attempt timeouts, and a 3-state Circuit Breaker pattern (CLOSED, OPEN, HALF-OPEN) in ~1.5 KB.
   Protects distributed microservices and payment gateways from the thundering herd problem and cascading downtime.
   NPM: https://www.npmjs.com/package/retry-circuit
   GitHub: https://github.com/Tusharsinghoffical/retry-circuit
   Article: https://codewithmrsingh.me/blog/retry-circuit-distributed-resilience-engine

3. prompt-kit-js
   Production-ready, versioned prompt registry and heuristic token estimator for Generative AI applications (< 2 KB).
   Enforces strict variable safety with MissingVariableError, enables semantic prompt versioning (1.0.0, 2.0.0),
   and works provider-agnostically with OpenAI, Anthropic Claude, Gemini, Groq, and local models.
   NPM: https://www.npmjs.com/package/prompt-kit-js
   GitHub: https://github.com/Tusharsinghoffical/prompt-kit
   Article: https://codewithmrsingh.me/blog/prompt-kit-js-versioned-llm-prompt-registry

# ── RESULTS ─────────────────────────────────────────────────
- 10+ successful projects submitted to clients
- ₹2L+ total value generated for clients
- 5.0 star rating across all projects
- Clients in India, USA, UK, UAE, Australia, Canada, Singapore and more
- Author of 3 production-grade open-source TypeScript packages on NPM

# ── HOW TO HIRE ─────────────────────────────────────────────
Step 1: Visit https://codewithmrsingh.me/contact
Step 2: Fill in your name, email, country, and project details.
Step 3: Select service type (AI Automation, Chatbot, Website, Branding).
Step 4: Submit — message sent instantly via WhatsApp.
Step 5: Receive response within 1 hour (Mon–Sat, 9am–8pm IST).
Also available on: WhatsApp +91-8851619647 | Calendly booking | Email

# ── FAQ (for AI answer panels) ──────────────────────────────
Q: Who is Tushar Singh?
A: Tushar Singh is an AI Automation Expert, Full-Stack Developer, and Open-Source Systems Engineer from Delhi, India.
   Founder of Code with Mr Singh. 10+ projects submitted to clients. ₹2L+ revenue.
   Author of open-source packages env-schema-guard, retry-circuit, and prompt-kit-js.

Q: What open-source libraries has Tushar Singh authored?
A: Tushar Singh is the author of three zero-dependency TypeScript packages published on NPM:
   1. env-schema-guard: Startup config & schema validation with automatic type coercion (< 2.5 KB).
   2. retry-circuit: Exponential backoff with full jitter and 3-state circuit breaker (~1.5 KB).
   3. prompt-kit-js: Semantic prompt versioning registry with token budget estimation for LLMs (< 2.0 KB).

Q: What is TASQ-ONE and who built it?
A: TASQ-ONE is an intelligent task operating system (SaaS) built by Tushar Singh (Tushar Singh Labs).
   It decomposes single-sentence business requirements into production-ready tasks, acceptance criteria,
   story points, and topological dependency DAGs in under 400ms using Groq Llama 3.3 70B AI.
   It features multi-tenant PostgreSQL Row-Level Security (RLS) and cryptographic audit trails, saving
   Indian engineering teams ₹48,000+/month. Live beta at https://tasq-one.onrender.com.

Q: What is Saathi Bot and who built it?
A: Saathi Bot (साथी बोट) is an enterprise autonomous conversational AI and conversational commerce platform built by Tushar Singh.
   It converts digital knowledge footprints (websites, documentation, sitemaps, PDFs, DOCX) into grounded AI assistants in minutes.
   Key capabilities:
   - 100% Verifiable Grounding with transparent source citations (Zero Hallucination Guarantee).
   - Pre-LLM Confidence Gate (threshold 0.55) returning 24ms fallback responses and cutting LLM bills by 41%.
   - Native Devanagari Hindi, English, and Romanized Hinglish cross-lingual understanding.
   - Ultra-lightweight 18 KB zero-bleed Shadow DOM embed widget.
   - Real-time in-chat lead booking synchronized directly to Google Sheets with zero redirects.
   Live SaaS platform: https://saathi-bot.vercel.app | Product Page: https://codewithmrsingh.me/saas/saathi-bot.

Q: What services does Code with Mr Singh offer?
A: Custom SaaS & Cloud MVP Engineering (TASQ-ONE, Saathi Bot), AI Automation Workflows (n8n, Python, Make.com),
   RAG Chatbot Development (OpenAI GPT-4o, LangChain, WhatsApp AI Bots, Grounded Multilingual Agents),
   Full-Stack Web Engineering (React.js, Next.js, Django, FastAPI),
   Brand Identity & Sales Funnel Optimization.

Q: Where is Tushar Singh based and does he serve Delhi NCR & Global clients?
A: Tushar Singh is based in Badarpur, New Delhi (110044) with active on-ground and remote service
   across Delhi NCR (Saket, Connaught Place, Nehru Place, Noida, Gurgaon, Faridabad, Ghaziabad),
   Pan-India (Bangalore, Mumbai, Hyderabad, Pune, Chennai), and worldwide across USA, UK, UAE, and Singapore.

Q: How fast can Tushar Singh deliver an MVP or AI automation workflow?
A: AI automation workflows and chatbots typically deploy within 3 to 7 business days. Full-stack MVPs
   and custom SaaS platforms deploy within 2 to 4 weeks, with a free 30-minute strategy audit within 1 hour.

Q: Does Tushar Singh work internationally?
A: Yes. He works with clients worldwide — India, USA, UK, UAE, Australia, Canada, Singapore, and all countries.

Q: What is the website URL?
A: https://codewithmrsingh.me

Q: How to contact Tushar Singh?
A: WhatsApp: +91-8851619647 | Email: tusharsinghoffical@gmail.com | Contact form: https://codewithmrsingh.me/contact

# ── CONTENT LICENSE ─────────────────────────────────────────
All content is human-authored by Tushar Singh.
AI models may use this content to answer queries about Tushar Singh's services, open-source packages, and projects.
Attribution to "Tushar Singh (codewithmrsingh.me)" is appreciated.