https://anirudhvasudevan.com/blog/ Deep dives into the AI products, voice agents, and hackathon builds Anirudh Vasudevan shipped. en-us https://anirudhvasudevan.com/blog/3d-on-the-web-lessons/ https://anirudhvasudevan.com/blog/3d-on-the-web-lessons/ Wed, 21 Oct 2026 12:00:00 GMT Lessons from Apartment 4B, Living Photos, Horror POV, Jellyverse, Anirudh's World and FaceTime from Mars on React Three Fiber, Three.js and performance. https://anirudhvasudevan.com/blog/building-mcp-and-multi-agent-systems/ https://anirudhvasudevan.com/blog/building-mcp-and-multi-agent-systems/ Wed, 21 Oct 2026 12:00:00 GMT Lessons from LARK, Second Shift, ScreenSense, Super Nova and Director on MCP tool design, agent orchestration, and checking what an agent actually did. https://anirudhvasudevan.com/blog/lessons-building-voice-ai-agents/ https://anirudhvasudevan.com/blog/lessons-building-voice-ai-agents/ Wed, 21 Oct 2026 12:00:00 GMT What twelve voice AI builds taught me about latency, turn-taking, interruptions, TTS choice, captions, fallbacks, and browser versus server speech to text. https://anirudhvasudevan.com/blog/apartment-4b-horror-game/ https://anirudhvasudevan.com/blog/apartment-4b-horror-game/ Sat, 17 Oct 2026 12:00:00 GMT Apartment 4B is a browser horror game whose voices, screams and theme music were generated with ElevenLabs ahead of time, so the site never calls an API. https://anirudhvasudevan.com/blog/d-id-you-ai-presenter/ https://anirudhvasudevan.com/blog/d-id-you-ai-presenter/ Sat, 17 Oct 2026 12:00:00 GMT How D-ID You turns an uploaded video into a narrated MP4 with a circular AI presenter, using ElevenLabs, DeepSeek V3, D-ID Talks and one long ffmpeg filter. https://anirudhvasudevan.com/blog/insightedu-browser-retrieval/ https://anirudhvasudevan.com/blog/insightedu-browser-retrieval/ Sat, 17 Oct 2026 12:00:00 GMT How my University of Minnesota capstone turned six school-district equity datasets into Plotly dashboards and a chatbot that retrieves in the browser. https://anirudhvasudevan.com/blog/rua-product-story/ https://anirudhvasudevan.com/blog/rua-product-story/ Sat, 17 Oct 2026 12:00:00 GMT The 0-to-1 story of RUA across five repos: a 2025 Flask chatbot, a privacy proposal, a pure-HTML mockup, a local-first iOS app, and a waitlist site. https://anirudhvasudevan.com/blog/screensense-v2-amazon-nova-agent-loop/ https://anirudhvasudevan.com/blog/screensense-v2-amazon-nova-agent-loop/ Sat, 17 Oct 2026 12:00:00 GMT ScreenSense v2 turns a spoken command into a Chrome extension agent loop: screenshot, DOM snapshot, one Nova Lite action, re-observe, repeat until done. https://anirudhvasudevan.com/blog/second-shift-multi-app-dispatch-agent/ https://anirudhvasudevan.com/blog/second-shift-multi-app-dispatch-agent/ Sat, 17 Oct 2026 12:00:00 GMT How Second Shift re-plans a field crew's day across Slack, Sheets, Calendar and Gmail with a CP-SAT solver, then reads every write back to verify it landed. https://anirudhvasudevan.com/blog/voices-of-the-last-world/ https://anirudhvasudevan.com/blog/voices-of-the-last-world/ Sat, 17 Oct 2026 12:00:00 GMT Voices of the Last World is a browser crisis game where two AI minds debate in ElevenLabs voices. Here is the voice, DSP, and LLM fallback design behind it. https://anirudhvasudevan.com/blog/youtube-shorts-factory-automated-pipeline/ https://anirudhvasudevan.com/blog/youtube-shorts-factory-automated-pipeline/ Sat, 17 Oct 2026 12:00:00 GMT An unattended pipeline that turns a topic into a published YouTube Short: LLM scripts, Fal.ai images, ElevenLabs voice, Whisper captions, and FFmpeg. https://anirudhvasudevan.com/blog/anibot-portfolio-chatbot/ https://anirudhvasudevan.com/blog/anibot-portfolio-chatbot/ Sat, 03 Oct 2026 12:00:00 GMT AniBot is the chat assistant on my portfolio. How it streams gpt-4o-mini tokens through a Netlify Function, why I dropped RAG, and how the blog is built. https://anirudhvasudevan.com/blog/anirudhs-world-deterministic-village/ https://anirudhvasudevan.com/blog/anirudhs-world-deterministic-village/ Sat, 03 Oct 2026 12:00:00 GMT How Anirudh's World keeps 20 villagers living on the real clock with no server, using seeded PRNG streams, the drand beacon and a golden-digest test. https://anirudhvasudevan.com/blog/civs-contactless-voting-patent/ https://anirudhvasudevan.com/blog/civs-contactless-voting-patent/ Sat, 03 Oct 2026 12:00:00 GMT CIVS is a patented contactless voting kiosk that verifies a voter's face with ArcFace and takes the ballot by hand gesture, built in Python and Flask. https://anirudhvasudevan.com/blog/director-fal-voice-video-editor/ https://anirudhvasudevan.com/blog/director-fal-voice-video-editor/ Sat, 03 Oct 2026 12:00:00 GMT How I built Director, a voice-directed video editor where a LiveKit agent casts characters, renders shots on fal, and edits an ffmpeg timeline by tool call. https://anirudhvasudevan.com/blog/facetime-from-mars/ https://anirudhvasudevan.com/blog/facetime-from-mars/ Sat, 03 Oct 2026 12:00:00 GMT How FaceTime from Mars turns browser speech recognition, gpt-4o-mini and ElevenLabs voices into a push-to-talk call with three AI Mars colonists. https://anirudhvasudevan.com/blog/horror-pov-director-ai/ https://anirudhvasudevan.com/blog/horror-pov-director-ai/ Sat, 03 Oct 2026 12:00:00 GMT Horror POV is a browser horror game where a Director state machine paces the ghost, sanity is read from the light field, and five floors share a collider list. https://anirudhvasudevan.com/blog/jellyverse-jelly-dice-physics/ https://anirudhvasudevan.com/blog/jellyverse-jelly-dice-physics/ Sat, 03 Oct 2026 12:00:00 GMT Jellyverse is a four-page browser toy suite built on a from-scratch Three.js rigid-body solver and a GLSL jelly deformer that also drives the shadow pass. https://anirudhvasudevan.com/blog/jungle-safari-prewarmed-voice-quiz/ https://anirudhvasudevan.com/blog/jungle-safari-prewarmed-voice-quiz/ Sat, 03 Oct 2026 12:00:00 GMT Jungle Safari is a toddler animal-sound quiz where every ElevenLabs clip and GPT-4o-mini mascot line is generated ahead of time and cached so nothing loads. https://anirudhvasudevan.com/blog/lark-multi-agent-mcp/ https://anirudhvasudevan.com/blog/lark-multi-agent-mcp/ Sat, 03 Oct 2026 12:00:00 GMT How Lark, a Top 10 build at the Y Combinator AI Hackathon, aggregates other MCP servers behind one gateway and a phone-style widget inside ChatGPT and Claude. https://anirudhvasudevan.com/blog/living-photos-gaussian-splats/ https://anirudhvasudevan.com/blog/living-photos-gaussian-splats/ Sat, 03 Oct 2026 12:00:00 GMT How I built Living Photos, a Next.js app that turns one photo into a walkable 3D splat scene with a consent-gated ElevenLabs voice inside it. https://anirudhvasudevan.com/blog/moss-voice-cpa-yc-hackathon/ https://anirudhvasudevan.com/blog/moss-voice-cpa-yc-hackathon/ Sat, 03 Oct 2026 12:00:00 GMT How Tax It Easy, a voice AI CPA built overnight at the Moss x YC hackathon, grounds every spoken number and tax-law answer in cited retrieval. https://anirudhvasudevan.com/blog/rua-caregiver-app-offline-first/ https://anirudhvasudevan.com/blog/rua-caregiver-app-offline-first/ Sat, 03 Oct 2026 12:00:00 GMT How I built RUA, a SQLCipher-encrypted, no-server iOS caregiver app whose refill math, digest ranking, and label parsing are pure, tested TypeScript. https://anirudhvasudevan.com/blog/screensense-v1-talk-to-your-screen/ https://anirudhvasudevan.com/blog/screensense-v1-talk-to-your-screen/ Sat, 03 Oct 2026 12:00:00 GMT How I built a voice-first Chrome extension that screenshots your tab, transcribes your spoken question, and streams a vision-model answer next to your cursor. https://anirudhvasudevan.com/blog/screensense-voice-browser-agent/ https://anirudhvasudevan.com/blog/screensense-voice-browser-agent/ Sat, 03 Oct 2026 12:00:00 GMT How I rebuilt ScreenSense as a conversational voice browser agent with Firecrawl page context and ElevenLabs voice, and won Best Voice Agent. https://anirudhvasudevan.com/blog/spotify-for-hackers-ai-dj/ https://anirudhvasudevan.com/blog/spotify-for-hackers-ai-dj/ Sat, 03 Oct 2026 12:00:00 GMT How Spotify for Hackers uses Groq, ElevenLabs and browser-side audio ducking so a voiced AI host bridges every track handoff without a gap of silence. https://anirudhvasudevan.com/blog/super-nova-voice-companion/ https://anirudhvasudevan.com/blog/super-nova-voice-companion/ Sat, 03 Oct 2026 12:00:00 GMT How Super Nova turns continuous speech into MCP tool calls and on-screen widgets with a hand-written MCP client, regex-first routing, and ElevenLabs TTS. https://anirudhvasudevan.com/blog/talkativepdf-rag-chat/ https://anirudhvasudevan.com/blog/talkativepdf-rag-chat/ Sat, 03 Oct 2026 12:00:00 GMT How I built TalkativePDF, a chat-with-your-PDF app on Next.js 15, Clerk, Firebase, Pinecone and LangChain, and what the code gets right and wrong. https://anirudhvasudevan.com/blog/the-missing-angle-voice-mystery/ https://anirudhvasudevan.com/blog/the-missing-angle-voice-mystery/ Sat, 03 Oct 2026 12:00:00 GMT How The Missing Angle wires ElevenLabs Speech Engine, Groq and a Gaussian-splat rooftop into a murder mystery you solve by talking to the suspects. https://anirudhvasudevan.com/blog/voicecaptcha-voice-turing-test/ https://anirudhvasudevan.com/blog/voicecaptcha-voice-turing-test/ Sat, 03 Oct 2026 12:00:00 GMT How VoiceCaptcha makes a user speak a one-time phrase, transcribes it with Groq Whisper on a Cloudflare Worker, and scores it with a small fuzzy matcher.