Harshit Duggal

I build infrastructure for AI agents

AI engineer building complete products across the agentic stack — from infrastructure to the interfaces people actually use.

Building PainiteHQ, AI abuse prevention infrastructure for SaaS companies, with an SDK used by 700+ weekly downloads. Also author of @painitehq/ai-budget, a new open-source AI agent cost enforcement SDK.

Resume

GitHub

npm

Projects

PainiteHQ

AI abuse prevention infrastructure. Credit gate, action gate, agent budget guard, and spend attribution engine for AI SaaS companies.

Next.jsoRPCTanStack QueryNeon

@painitehq/ai-budget

Open-source SDK for AI agent budget enforcement. 700+ weekly downloads. Cost ceilings, token limits, loop detection, adaptive routing, checkpoints.

TypeScriptNPMOpenRouterOpenAI

Dark Funnel

Revenue intelligence platform. Tracks demo pipeline through attendance, ownership, recovery, and final outcome using evidence-based verification.

Next.jsInngestPostgreSQLAI

Bixbite

AI search visibility analytics. Measures share-of-recommendation across ChatGPT, Claude, Gemini, and Perplexity for software vendors.

Next.jsTypeScriptLLMVector SearchQdrant

Old Portfolio

Experimental portfolio pushing motion and editorial design. Text-behind-image parallax, staggered scroll animations, GSAP orchestration.

Next.jsGSAPmotion.dev

Structured LLM

Type-safe structured extraction SDK. JSON repair, schema validation, type coercion, confidence scoring, retry orchestration.

TypeScriptNPMLLM

Stack

TypeScript

Next.js

Bun

Elysia

PostgreSQL

Neon

Drizzle

QdrantRAGLLMsAgentic Systems

Agentic Architecture

Agentic Engineering

Model Orchestration

LLM Evaluation

LangChain

LangGraph

OpenRouter

Vercel

Inngest

Stripe

BetterAuth

GSAP

TanStack Query

oRPC

OpenAI SDK

Gemini SDK

Docker

Cloudflare

AWS

GCP

Dodo Payments

Open to Founding Engineer and Mid-Level AI Engineer roles. hduggalx@gmail.com