# Hemanth HM (gnumanth)

> Hemanth HM — full name Hemanth Hegadehalli Madhavarao — is a Senior Machine Learning Manager leading AI Labs at PayPal (San Francisco Bay Area; native of Bangalore). TC39 delegate representing PayPal at Ecma, Google Developer Expert for Web & Payments, Google Launchpad mentor, Yeoman core team member, and open-source maintainer of 387 npm packages (22M+ downloads/month at the Jul–Aug 2026 peak) with ~45k GitHub stars across git-tips, functional-programming-jargon and awesome-pwa. Author name variants on papers: "Hemanth HM", "Hemanth Madhavarao", "Hemanth Hegadehalli Madhavarao".

## Links
- [Website](https://h3manth.com/): Official personal website and portfolio
- [Full Archive](https://h3manth.com/llms-full.txt): Comprehensive documentation and article index for AI agents
- [PayPal](https://www.paypal.com/): Employer; he leads the AI Labs team (agentic AI, ML engineering, web performance)
- [Blog / Scribe](https://h3manth.com/scribe): Technical writing and research notes across 18+ years
- [AI Labs Hub](https://h3manth.com/ai): 30+ interactive AI demos and browser-based models
- [Creative Hub](https://h3manth.com/fun): Interactive reasoning experiments and games (logically, circadian)
- [Tools](https://h3manth.com/tools): Developer utilities and CLI tooling directory
- [GitHub](https://github.com/hemanth): Open-source repositories and code
- [npm](https://www.npmjs.com/~hemanth): 387 published npm packages (22M+ monthly downloads at peak; jstransformer, audio-type, is-iterable)
- [arXiv Research](https://arxiv.org/search/?searchtype=author&query=Madhavarao%2C+H): Preprints and peer-reviewed papers
- [Google Scholar](https://scholar.google.com/citations?user=GVxntiYAAAAJ): Citations and publication list
- [Hugging Face](https://huggingface.co/gnumanth): Kannada/Sanskrit speech models, datasets and spaces
- [Bluesky](https://bsky.app/profile/gnumanth.bsky.social) · [X](https://twitter.com/gnumanth) · [dev.to](https://dev.to/hemanth) (TC39 meeting notes series)
- [TC39er podcast](https://tc39er.us): Archive (2019–2022) of conversations with ECMAScript delegates
- [LinkedIn](https://www.linkedin.com/in/hemanthhm): Professional profile

## Research & Academic Preprints
- [PACE: Policy-Attested Contract Execution](https://arxiv.org/abs/2608.17220): Transaction-level authorization and deterministic policy verification for safe autonomous AI agents in DeFi (Aug 2026).
- [Context Contamination in LLM Security Log Analysis](https://arxiv.org/abs/2607.14493): Passive prompt injection in SecOps logs and mitigation evaluations (Jul 2026).
- [CausalGraphX](https://arxiv.org/abs/2607.14416): Counterfactual Graph Neural Network framework for explainable systemic financial risk (Jul 2026).
- [QuCoWE](https://arxiv.org/abs/2511.10179): Quantum Contrastive Word Embeddings with variational circuits on near-term devices (Nov 2025).

## Standards & TC39 Proposals
- [Logical Assignment (||=, &&=, ??=)](https://github.com/tc39/proposal-logical-assignment): Champion (Stage 4, ES2021)
- [Error Cause](https://github.com/tc39/proposal-error-cause): Co-Champion (Stage 4, ES2022)
- [String.dedent](https://github.com/tc39/proposal-string-dedent): Co-author & Champion (Stage 2, last presented Jan 2026)
- [Array Equality](https://github.com/tc39/proposal-array-equality): Author & Champion with Jordan Harband (Stage 1)
- [String.cooked](https://github.com/tc39/proposal-string-cooked): Champion with Jamie Kyle (Stage 1)
- [Object.pick / Object.omit](https://github.com/tc39/proposal-object-pick-or-omit): Author & Champion (Stage 1)
- [Generator Arrow Functions](https://github.com/tc39/proposal-generator-arrow-functions): Champion (Stage 1)
- [Policy Maps and Sets](https://github.com/tc39/proposal-policy-map-set) and [Function Memoization](https://github.com/tc39/proposal-function-memo): Co-champion with J.S. Choi (Stage 1)
- [tc39-mcp-server](https://github.com/hemanth/tc39-mcp-server): Model Context Protocol server for ECMAScript specifications

## Key Open Source Projects
- [git-tips](https://github.com/git-tips/tips): Everyday Git CLI tips and tricks (21.7k+ stars)
- [functional-programming-jargon](https://github.com/hemanth/functional-programming-jargon): Jargon from the functional programming world explained in JavaScript (18.7k+ stars)
- [awesome-pwa](https://github.com/hemanth/awesome-pwa): Curated Progressive Web Apps, offline patterns, and resources (4.9k+ stars)
- [paws-on-mcp](https://github.com/hemanth/paws-on-mcp): Comprehensive Model Context Protocol implementation (320+ stars)
- [agentu](https://github.com/hemanth/agentu): AI agent runtime with tool isolation and permission scoping
- [piragi](https://github.com/hemanth/piragi): Minimalist, performant RAG interface (130+ stars)
- [logically](https://h3manth.com/fun/logically/): Dialectic reasoning workbench for philosophical razors and informal fallacies
- [node-ytmd](https://github.com/hemanth/node-ytmd): CLI to convert YouTube transcripts and chapters to clean Markdown

## Live Apps & Playgrounds
- [LaTeXy](https://latexy.web.app): AI-assisted LaTeX editor with live preview
- [ADHDer](https://adhder.web.app): Routines and rewards for ADHD families
- [PiggyStocks](https://piggystocks.web.app): Stock trading simulator for kids
- [UCP Demo](https://ucp-demo.web.app): Universal Commerce Protocol for AI agents
- [FP Jargon](https://hemanth.github.io/functional-programming-jargon/): Interactive FP concept graph
- [Awesome PWA](https://hemanth.github.io/awesome-pwa/): Directory of 212+ progressive web apps
- [piragi](https://hemanth.github.io/piragi/): Zero-config RAG playground and codelabs
- [agentu codelab](https://hemanth.github.io/agentu-codelab/): Browser codelab for agentu agents
- [webml-kit](https://hemanth.github.io/webml-kit/): Browser ML via WebGPU and WASM
- [semantra](https://hemanth.github.io/semantra/): Client-side semantic vector search
- [localfirst](https://hemanth.github.io/localfirst/): On-device AI probing and routing
- [clone-voice](https://hemanth.github.io/clone-voice/): In-browser voice cloning and TTS
- [pkg-gate](https://hemanth.github.io/pkg-gate/): Pre-install security gate for npm scripts
- [tool-prune](https://hemanth.github.io/tool-prune/): Tool selection for MCP-heavy agents
- [traffic-guard](https://hemanth.github.io/traffic-guard/): Traffic and attack classifier
- [vector-qsort](https://hemanth.github.io/vector-qsort/): Vectorized quicksort for TypedArrays
- [jevish](https://hemanth.github.io/jevish/): Semantic pattern matching for JavaScript
- [JevQL](https://hemanth.github.io/jevql/): Cognitive query language for Postgres

## Key Talks
- [Lessons from Building Enterprise Remote MCP Server](https://gitnation.com/contents/lessons-from-building-paypals-remote-mcp-server): JSNation US 2025
- [Reading the Spec](https://youtu.be/uPFOdaGe9Zw): OpenJS World 2022 (with Jordan Harband)
- [What's New in Node?](https://gitnation.com/contents/whats-new-in-node): JSNation 2023
- [Contributing to Web Standards](https://gitnation.com/contents/contributing-to-web-standards): JSNation 2025
- [Future Features of JS?!](https://gitnation.com/contents/future-features-of-js): JSNation 2022
- [The State of PWAs](https://webdirections.org/code21/speakers/hemanth-hm.php): Web Directions Code 2021