AI apps · Chatbots · Automations

Claude AI Developer & AI Agent Developer

Brendan Mulhern, Claude AI developer and AI agent developer

Brendan Mulhern

Claude AI developer & AI agent developer

Claude AI developer and AI agent developer who builds working AI apps, chatbots and automations, fast. I use Claude Code, Next.js, Supabase and Python to take you from idea to a live SaaS MVP.

  • Claude Code
  • Next.js
  • Supabase
  • Python

Services

What I build

AI chatbots and RAG chatbots

A website chatbot that answers from your own documents.

AI agents and AI automation

Workflow automation that connects your tools through API integration.

Claude AI integration and OpenAI API apps

Built with careful prompt engineering.

AI voice agents and AI receptionists

Voice agents that answer and route your calls.

Full-stack AI-powered SaaS

Next.js, TypeScript, Node.js, Supabase, auth and Stripe payment integration.

Chrome extension development

Chrome extensions for AI tools and productivity.

Portfolio

Recent work

I built LinkBuilder AI (linkbuilderai.xyz), an AI-powered SaaS, as a 24-hour build challenge: Next.js, Supabase, OpenAI, sign-in, subscriptions and email, live in production.

LinkBuilder AI logo

AI SaaS web app

LinkBuilder AI

Earn backlinks from journalist requests.

LinkBuilder AI scores each journalist source request against your expertise and lets you pitch fast with your own human-written templates, then tracks the backlinks you earn. AI never writes the pitches, so users stay within journalist-request platform rules.

Demonstrates

AI request parsing and fit scoring with usage credits, Clerk auth and billing, Supabase, email sending, scheduling, approvals and backlink tracking.

WealthStreet logo

Web + iOS + Android app

WealthStreet

Simulated options trading environment for hands-on learning.

WealthStreet lets users practice buying and selling calls and puts, track a simulated portfolio and watchlist, and learn the greeks in a market environment that behaves like the real thing, no real capital at risk.

Demonstrates

Real-time market simulation, options pricing and greeks, portfolio tracking, cross-platform (web + iOS + Android) product design.

Stadium AI logo

AI SaaS web app

Stadium AI

AI side hustle search engine for founders and creators.

Stadium AI helps users discover realistic side hustle and startup ideas using AI. It generates validated ideas, startup steps, earning potential, and implementation guidance.

Demonstrates

AI search, SaaS UX, idea generation, subscription-ready product design.

Fit AI logo

AI mobile app

Fit AI

Personalized AI fitness and nutrition plans.

Fit AI builds personalized workout and nutrition plans based on a user's goals, experience, and equipment, then adapts the plan as they progress.

Demonstrates

Mobile AI app development, personalization, plan generation, subscription monetization.

SEO content too

Content for your launch

I write my own blog at brendansblog.xyz, so I can also handle SEO blog writing and SEO content writing for your launch.

How I work

Clear scope, daily updates, and working code you own.

Book a call and tell me what you want built.