Computer polyglot & FOSS philosopher.
Always, paws on Web, CLI & AI.
I’m Hemanth HM. I lead AI Labs at PayPal, working on agentic AI, machine learning systems, and web performance at scale.
I help shape JavaScript as a TC39 delegate and share what I learn as a Google Developer Expert for Web & Payments. My open-source work includes git-tips, functional-programming-jargon, and hundreds of npm packages with over 22M downloads a month at peak.
A native Bangalorean living in California. Ambidextrous, CLI enthusiast, and lifelong tinkerer. Loves philosophy, public speaking, and has been a theatre artist.
Open Source Activity
github.com/hemanth →Selected Projects
all repositories →Everyday Git CLI tips and tricks to solve common git headaches.
FP concepts and category theory jargon explained simply in JavaScript.
A curated list of Progressive Web App resources, offline patterns, and showcases.
Model Context Protocol server implementing full tool, resource, and prompt specifications.
Context Contamination in LLM Log Analysis
Prompt injection hidden in security logs, and layered defenses for LLM log analysis.
CausalGraphX: Explainable GNNs
Counterfactual explanations for systemic default risk in financial networks.
QuCoWE: Quantum Word Embeddings
Contrastive word embeddings using variational quantum circuits on NISQ devices.
Standards & TC39 Proposals
tc39 proposals →Championed standardizing logical assignment operators into ECMAScript, now supported across all modern engines.
Co-championed chained error diagnostics in JavaScript standard library (new Error(msg, { cause })).
Co-author and champion of a template tag that strips common leading indentation from multi-line strings. Last presented to plenary in January 2026.
Structural equality for arrays, authored with Jordan Harband; supersedes the withdrawn generic comparison (spaceship) proposal.
A tagged-template helper that returns the cooked string without escape processing, co-championed with Jamie Kyle.
TC39 specification proposal adding ergonomic, high-performance property selection and omission to ECMAScript standard library.
Adding concise generator expressions with lexical this-binding (*() => {}) to ECMAScript.
Model Context Protocol server allowing AI assistants to query real-time TC39 proposals, meeting notes, and ECMAScript specifications.
Paws-on
things I build and shipChrome AI, WebMCP, Function Gemma, Pocket Voice, and on-device models.
Logically, Circadian, Code Jeopardy, Model Battle, and speed checks.
Developer pairing assistant, CLI tools, and web benchmarks.
Live apps & playgrounds
4 on web.app · 14 on github.ioExperience & Leadership
Senior Machine Learning Manager, AI Labs
Leading work on agentic AI, machine learning engineering, and web performance.
TC39 delegate
Contributing to the committee that evolves ECMAScript, the language behind JavaScript.
Google Developer Expert · Web & Payments
Sharing knowledge through talks, open-source projects, and mentoring with Google Launchpad Accelerator.
Conference Talks
all talks →Lessons from Building Enterprise Remote MCP Server
Architectural, security, and authorization patterns for bringing Model Context Protocol servers into production enterprise environments.
Watch on GitNation ↗Deep-dive on navigating and deciphering the ECMAScript specification with Jordan Harband.
YouTube ↗ JSNATION · 2023Permission models, single executable apps, and engine consensus in Node.js 20.
GitNation ↗ JSNATION · 2025Navigating W3C, TC39, and open specification bodies to shape the future of the web.
GitNation ↗Selected Writing
h3manth.com/scribe →Mapping all 324 TC39 proposals by intent, cognitive load, and web-compat risk using calibrated judgments.
A hybrid browser speech recognition architecture with client-side WebGPU, WebAssembly, and streaming fallback.
Zero-overhead token budgets, execution circuit breakers, and bounded agent runtimes.
Exposing remote MCP server tools through browser-native execution and next-gen model context.
How the way we design, debate, and adopt open internet standards is transforming.
Combining high-level agent workflow skills with granular Model Context Protocol tools.