Co-founder, Tumblrr AI · Lucknow, India

I build tools for problems teams notice too late.

I'm Anshumaan Singh, a software engineer. At Tumblrr AI we break production AI agents before customers do. I also ship developer tools that catch surprise cloud bills, broken README examples and missed platform deadlines.

See what I'm building Email me
2
products live today
4
more built, tested and launching soon
32
services fact-checked in BillBrake
2026
B.Tech, Computer Science
Building now

Products I'm shipping

Two are live. Four more are built, tested and close to launch. Each one starts from a problem that costs real money when nobody catches it in time.

LiveCo-founderAI reliability

Tumblrr AI

Adversarial evaluation for AI agents that are already in production. We write the test cases most likely to cost a company money, run each one at least three times, and hand over a severity-ranked report with evidence anyone can reproduce.

  1. 01Break. Cases aimed at one weakness: prompt injection, tool misuse, data leaks, hallucinated policy.
  2. 02Reach. Trace every failure to the prompt, the tool, the retrieval or the handoff.
  3. 03Improve. Fixes ranked by severity, plus a regression pack that re-runs on every release.
30–50 cases3× runs each5 working days
Visit tumblrr.tech
tumblrr.tech
The Tumblrr AI home page: Break your model before your customers do.
LiveFree and open sourceDeveloper guide

BillBrake

Which developer services can surprise you with a bill, and how to put a hard spending cap on each one. Every fact links to the provider's own documentation, with the date it was last checked, and a monthly job flags anything that needs re-checking.

Open BillBrake Source on GitHub
anshumaansinghh.github.io/billbrake
The BillBrake site: 32 developer services sorted by whether you can cap the bill.

Built and tested · launching soon

Developer toolSoon

PasteProof

Finds every code example in a README, runs it, and points to the exact line that broke. Seven languages, one command, zero dependencies.

Node.jsCLIGitHub Action
Compliance SaaSSoon

Subprocessor Autopilot

Keeps a company's GDPR subprocessor register current from each vendor's own list, with objection-window reminders and a hash-chained audit trail.

152 vendorsNode.jsSQLite
DevOps SaaSSoon

Stack Deadline Tracker

Scans a team's GitHub repos for end-of-life dates and API shutdowns, then sends reminders 90, 30 and 7 days before each one.

GitHub AppNode.jsSQLite
Seller SaaSSoon

Platform Policy Watch

Reads policy changes on Amazon, Etsy, eBay, Shopify, YouTube, the App Store and Google Play, and tells each seller only the ones that affect them.

Claude APINode.jsSQLite
Selected projects

Things I've built end to end

Full-stack apps, AI systems and one honest crypto story. Each has a live demo or a public repo you can check.

The TaskFlow dashboard with open tasks, team velocity and work by status.
Full-stack SaaS

TaskFlow

A team task manager that does more than a to-do list: Kanban with WIP limits and blockers, a Focus Mode that logs real time to tasks, one-click async standups, and an AI planner that falls back to built-in playbooks when no AI provider is set up.

ReactNode.jsRBACGroq · Gemini
Live app Code
AI system

YouNxt AI

A decision engine that simulates how a choice plays out over 7, 30 and 90 days. A three-model AI cascade with a rule-based fallback means it still gives an answer when every provider is down.

React NativeExpoFirebaseMulti-model AI
Live demo Code
Blockchain · security

GPTCOIN

A Solana token I made in 2024 to learn how tokens work. Two years later I audited it like a careful buyer would, revoked the mint and freeze authority on-chain, replaced its AI-written description, and built my own Phantom tools to do it without ever touching the private key.

A learning project with no market price. Not an investment.

SolanaSPL TokenMetaplexPhantom
Revoke transaction Token on Solscan
Algorithms · Python

Unbeatable Tic Tac Toe

A single-file Python desktop game. Hard mode uses minimax with alpha-beta pruning, so it never loses. Animated canvas board, a two-player mode and a session scoreboard, with nothing to install.

PythontkinterMinimax
Code
Ultimate Python CourseA 50-day Python challenge for complete beginners.repo ↗ Placement PreparationA structured guide to campus placements, off-campus drives and technical interviews.repo ↗
AI Chat AssistantA Python assistant on Cohere and Groq that routes commands to weather, news, time and YouTube search.earlier work
FocusoraA React Native study app with Pomodoro timers, shared study rooms and a Deep Focus mode that blocks notifications.earlier work
How I work

Boring details, done properly

I would rather ship one small thing that works than a big thing that almost does.

Read the source, not the summary

Official docs and real behaviour beat blog posts. In BillBrake, every fact links to the provider's own page.

Small, sharp tools

Zero runtime dependencies wherever I can manage it. Fewer moving parts means fewer surprises for the people using it.

Prove it before shipping

Tests, real-world runs and a security review before anything goes public, not after the first bug report.

Write for beginners

If a sentence needs a second read, I rewrite it. That goes for docs, error messages and this page.

About

Engineer first, founder by choice

I'm a software engineer from Lucknow, India, with a B.Tech in Computer Science (class of 2026). I co-founded Tumblrr AI to help companies trust the AI agents they put in front of customers.

I like owning the whole thing: the research, the code, the tests, the launch page and the plan to get it in front of people. My favourite kind of problem has an official source to check, a hard edge case to find, and a test that proves the fix.

Outside the editor I solve problems on LeetCode and write beginner-friendly guides on GitHub.

Toolbox

Languages

TypeScriptJavaScriptPythonC++JavaSQL

Frontend

ReactReact NativeExpoHTMLCSS

Backend

Node.jsExpressREST APIsSQLiteMongoDBMySQLFirebase

AI

Agent evaluationClaude APIGroqGeminiOpenRouterCohere

Web3

SolanaSPL TokenMetaplexPhantom

Shipping

GitGitHub ActionsDockerVercelRender
Education and certificates
  • B.Tech, Computer Science and EngineeringCLASS OF 2026
  • AWS Virtual InternshipAICTE
  • Introduction to CybersecurityCISCO NETWORKING ACADEMY
  • Introduction to PythonCISCO NETWORKING ACADEMY
Contact

Let's build something that works.

Open to freelance builds, early-stage teams and open-source collaboration. If your company runs an AI agent in production, Tumblrr AI offers a free adversarial audit.

Open to new workFreelanceEarly-stage teamsCollaborations
LinkedIn
anshumaan-singh-52090a259 GitHub
AnshumaanSinghh X (Twitter)
@satyathakurr LeetCode
Anshumaan21 Phone / WhatsApp
+91 87070 63247 Tumblrr AI audits
tumblrr.tech