Selected work and experiments
Useful things to try.
Experiments welcome.
Working experiments and reference projects, with their scope and limits explained. Paused work can still be useful; inclusion does not imply a finished product.
43 total projects 2 featured · 37 current · 4 paused
Showing all 43 projects
2 projects
Featured
Shareable work from the primary focus.
CodeVetter Execution-backed verification for AI-written software changes — local-first and inspectable.
Shape Desktop app macOS Prominent tools Swift · SwiftUI · Rust · SQLite Where codevetter.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
PostTrainLLM An experimental browser model playground: run small language models locally with visible generation metrics.
Shape Research platform Web · Local Prominent tools Astro · Python · Rust · Cloudflare Pages Where posttrainllm.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
37 projects
Current work
Products and platforms inside the current Fleet working set.
HeyPace An experimental macOS voice-agent preview; installation and permission-dependent workflows are still being qualified.
Shape macOS app macOS · Web Prominent tools Swift · SwiftUI · Astro · Cloudflare Pages Where heypace.app Deployed
Public destinations
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- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
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Live Explore hobbies and possibilities, build a personal bucket list, and save your progress on this device or in your account.
Shape Web app Web Prominent tools Next.js · TypeScript · Cloudflare Workers · D1 Where live.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
SaaS Maker A public directory of working experiments, launch destinations, reference projects and reusable tooling.
Shape Web directory and service Web · API Prominent tools Astro · Cloudflare · D1 · IssuePages Where sassmaker.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
GitStat An experimental public GitHub analysis tool for repository activity, contributions and code churn.
Shape Web app Web Prominent tools React · Vite · TypeScript · Cloudflare Pages Where git.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Kinetic A private Gmail workspace for local semantic search, sender insights, and explicit unsubscribe workflows.
Shape Web app Web · API Prominent tools React · Hono · Cloudflare Workers · D1 Where mail.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
Memory Map A browser-local experiment for importing a ChatGPT export, exploring semantic themes and search, and optionally saving analysis on your device.
Shape Web app Web Prominent tools Astro · TypeScript · Cloudflare Pages Where chatgpt.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Free AI An OpenAI-compatible free-tier model gateway with operator-provisioned project access.
Shape API gateway API · Web Prominent tools Hono · TypeScript · Cloudflare Workers · D1 Where ai-gateway.sassmaker.com Deployed
Public destinations
- Catalog kind
- platform
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
High Signal Evidence-backed daily intelligence across technology, startups, finance, and public markets.
Shape Intelligence web app Web · API Prominent tools Next.js · React · Hono · Cloudflare Where highsignal.app Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
High Signal Podcasts Search evidenced podcast claims and follow links back to the original episode or publication.
Shape Podcast intelligence web app Web · API Prominent tools Astro · Hono · Cloudflare Workers · D1 Where podcasts.highsignal.app Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
IssuePages Read public GitHub issues as focused articles; publishing requires repository-owner access.
Shape Issue-backed publishing website Web · GitHub Prominent tools Hono · TypeScript · Cloudflare Workers · D1 Where issues.sarthakagrawal.dev Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
Research Papers Search academic papers and follow original sources; account-based research chat is not yet qualified.
Shape Research library Web Prominent tools Astro · Python · React · TypeScript Where papers.highsignal.app Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Knowledge Base Private agent search over specialized corpora with ranked citations, provenance, and schema-aware retrieval.
Shape Knowledge platform Web · API Prominent tools Astro · Hono · Cloudflare Workers · D1 Where knowledgebase.sassmaker.com Deployed
Public destinations
- Catalog kind
- platform
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
Significant Hobbies The shared Hub for Live, Calorie, Setline, Kith, and Anchor, backed by one privacy-aware control plane.
Shape Personal-app Hub Web · API · Swift package Prominent tools TypeScript · Cloudflare Workers · D1 · Swift Where significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
Anime List Anime and manga discovery with multi-axis filtering and personal watchlists.
Shape Web app Web · API Prominent tools React · Vite · Hono · Cloudflare Where anime.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
LoopTV An experimental lean-back queue of curated science and other videos.
Shape Web app Web · TV Prominent tools Astro · React · Vite · Cloudflare Pages Where tv.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
SWE Interview Prep A learning OS for software-engineering interview practice.
Shape Learning web app Web Prominent tools React · Vite · TypeScript · Cloudflare Pages Where learn.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
Calorie A private, local-first food, water, and weight journal with transparent timing guidance.
Shape iOS app iOS · API Prominent tools SwiftUI · Hono · Cloudflare Workers · D1 Where calorie.significanthobbies.com Deployed
Calorie A private, local-first food, water, and weight journal with transparent timing guidance. Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers · Apple App Store Connect
- First retained commit
- Latest retained commit
Setline An iOS-native training tracker that runs a written strength, cardio and mobility programme one set at a time and measures each exercise against an authored target.
Shape iOS app iOS Prominent tools SwiftUI · CloudKit · PersonalSyncKit Where setline.significanthobbies.com Deployed
Setline An iOS-native training tracker that runs a written strength, cardio and mobility programme one set at a time and measures each exercise against an authored target. Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Apple App Store Connect
- First retained commit
- Latest retained commit
Kith A private iPhone app for the people you actually want to stay close to — closeness-weighted constellation home, standing notes, and a chronological log per person.
Shape iOS app iOS Prominent tools SwiftUI · CloudKit · PersonalSyncKit Where kith.significanthobbies.com Deployed
Kith A private iPhone app for the people you actually want to stay close to — closeness-weighted constellation home, standing notes, and a chronological log per person. Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Apple App Store Connect
- First retained commit
- Latest retained commit
RolePatch A guest resume-tailoring experiment with a reviewable diff and browser-local document exports.
Shape Web app Web · API Prominent tools Next.js · React · Cloudflare Workers · D1 Where rolepatch.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
Karte A creator-owned public profile that answers visitor questions and preserves context for better inbound.
Shape Web app Web · API Prominent tools Next.js · React · Cloudflare Workers · D1 Where karte.cc Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers · Cloudflare Email Workers
- First retained commit
- Latest retained commit
Starboard Explore public GitHub repositories and related projects through a searchable discovery experiment.
Shape Web app Web · API Prominent tools Next.js · React · Cloudflare Workers · D1 Where starboard.codevetter.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
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App Health Web analytics, product events, logs, and endpoint health in one workspace.
Shape Product analytics and monitoring service Web · API Prominent tools React · shadcn/ui · Cloudflare Workers · Swift Where health.sassmaker.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
Mashup Two playable examples of a local media-editing pipeline, with captions and inspectable source and approval receipts.
Shape Local media tool with public proof Web · CLI · Local Prominent tools Python · FFmpeg · Astro · Cloudflare Pages Where mashup.highsignal.app Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
PH Catalog A resumable local Product Hunt catalogue and analytics experiment with a privacy-safe synthetic demo.
Shape Local catalogue and analytics toolkit CLI · Local · Web Prominent tools Python · DuckDB · Parquet Where ph.significanthobbies.com Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Web Playables Small browser-playable game experiments.
Shape Game collection Web · YouTube Playables Prominent tools TypeScript · Vite · Cloudflare Pages Where idle.aliveville.com Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Paths Explore sourced career turning points with explicit survivorship and forecasting limits.
Shape Research publication Web Prominent tools Astro · TypeScript · Cloudflare Pages Where paths.significanthobbies.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Sarthak Agrawal Selected engineering case studies, technical writing and working project demonstrations.
Shape Portfolio website Web Prominent tools Astro · React · Cloudflare Pages · IssuePages Where sarthakagrawal.dev Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
Reddit Insights Search a dated snapshot of 93 Reddit communities in your browser, with links to original posts and explicit provenance limits.
Shape Research collector Web · API Prominent tools TypeScript · Cloudflare Workers · R2 Where reddit-insights.highsignal.app Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
Anchor A local-first day planner and focus timer for Mac, iPhone, and Apple Watch that explains the gap between the schedule you planned and the day you lived.
Shape Apple app macOS · iOS · watchOS · Web Prominent tools SwiftUI · SwiftData · CloudKit · Foundation Models Where anchor.significanthobbies.com Deployed
Anchor A local-first day planner and focus timer for Mac, iPhone, and Apple Watch that explains the gap between the schedule you planned and the day you lived. Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Apple App Store Connect
- First retained commit
- Latest retained commit
Nomad Data Adventure Nomad Atlas explores 1,374 terrestrial places with living-cost profiles, lifestyle filters, city comparisons and downloadable source data credited to Nomads.com.
Shape Static city explorer Web Prominent tools Cloudflare Pages · JavaScript · HTML · CSS Where nomad.significanthobbies.com Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages
- First retained commit
- Latest retained commit
storagedaddy An open-source native Mac storage analyzer for developer caches, builds, dependencies and AI session archives, with reviewed cleanup. Free during early access.
Shape macOS app macOS · Web Prominent tools SwiftUI · Rust · Cloudflare Workers · Sparkle · Astro Where storage.daddyrad.com Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
BrowserDaddy A local-first Mac browsing intelligence app for a unified history archive and real attention tracking.
Shape macOS app macOS · Web Prominent tools SwiftUI · SQLite · Astro · Cloudflare Workers · Sparkle Where browser.daddyrad.com Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
PerformanceDaddy A local Mac performance investigator for background apps, helpers and developer workloads, with measured evidence and reviewed actions.
Shape macOS app macOS · Web Prominent tools SwiftUI · AppKit · Astro · Cloudflare Workers · Sparkle Where performance.daddyrad.com Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
Browser Agent Testing A completed local web and iOS experiment comparing browser-agent strategies with independent verification.
Shape Completed benchmark and static guide Web · iOS · CLI Prominent tools Node.js · Cloudflare Workers · Playwright · Maestro Where browser-agents.sarthakagrawal.dev Deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
ContextDaddy A native Mac workspace for coding-agent skills, context, usage and telemetry, with a unified skill library, explicit local changes, and recovery history.
Shape macOS app macOS · Web Prominent tools SwiftUI · Astro · Cloudflare Workers Where context.daddyrad.com Deployed
Public destinations
- Catalog kind
- product
- Deployment
- Deployed Cloudflare Pages · Cloudflare Workers
- First retained commit
- Latest retained commit
DaddyRad Umbrella landing for the daddy series of native Mac utilities.
Shape website Web Prominent tools Cloudflare Workers Where daddyrad.com Deployed
Public destinations
- Catalog kind
- platform
- Deployment
- Deployed Cloudflare Workers
- First retained commit
- Latest retained commit
4 projects
More experiments · paused
Useful experiments and retained work, shared without an active development commitment.
AI Badges Embeddable README badges for declaring AI contribution and welcoming AI-assisted pull requests.
Shape Badge service Web Prominent tools HTML · SVG Where Not deployed
Public destinations
- Catalog kind
- experiment
- Deployment
- Not deployed
- First retained commit
- Not retained
- Latest retained commit
- Not retained
Pinpoint A local developer preview for selecting an app element, attaching a comment and handing context to a coding agent.
Shape Developer tool Web · Local Prominent tools JavaScript · Node.js Where Local only
Public destinations
- Catalog kind
- experiment
- Deployment
- Local only
- First retained commit
- Not retained
- Latest retained commit
- Not retained
Port Whisperer A command-line port scanner with framework detection and structured output for local development.
Shape CLI tool CLI · Local Prominent tools Rust Where Local only
Public destinations
- Catalog kind
- experiment
- Deployment
- Local only
- First retained commit
- Not retained
- Latest retained commit
- Not retained
Society Relay A fixture-driven community repair-planning experiment with human approval, work orders and calendar export.
Shape Agent demo Web · Local Prominent tools Python · Strands Agents Where Local only
Public destinations
- Catalog kind
- experiment
- Deployment
- Local only
- First retained commit
- Not retained
- Latest retained commit
- Not retained
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