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nikolas-sapa/README.md

Nikolas Sapalidis

Builder + marketer. I ship precise, fast products across developer tools, AI infrastructure, and web apps — and market them the same day. Greece.

TypeScript Python Swift Next.js React Node.js Solidity Vercel


ns-ui — React components, installed as source

registry license components

The project I keep coming back to. Every component is built one at a time around a single interaction, gated by a Playwright suite that refuses regressions — and it installs as plain source you own, not a package you depend on.

npx shadcn add https://design.helpmarq.com/r/gallery-coverflow-caustic.json

Tailwind v4 · Motion · react-three-fiber · shadcn-compatible registry · CLI + MCP server for agent-driven installs.

Browse the registry · Source


Developer tools & AI infrastructure

Project What it does Try it
branch-ai Reasoning canvas for AI CLIs — capture Claude Code / Codex / Gemini extended thinking as a navigable, forkable tree npm i -g branch-ai · demo
grip-browser Token-efficient, CDP-native browser SDK for AI agents — ~50-token page snapshots instead of 12k of raw HTML pip install grip-browser · site
skillswitch Manage AI-coding skills across Claude Code, Gemini CLI, Codex, Aider, Amp & Droid — stop 100 skills bloating your context window npm i -g skillswitch · site
clientcast Turn Git commits into AI-drafted client updates; classify replies, flag scope creep, invoice flagged work via Stripe npm i -g clientcast · site
toolfence Security scanner for MCP servers — flags tool poisoning, prompt injection, drift, scope & cost before your agents connect npx toolfence <url> · site
sigeval pytest for LLMs that isn't flaky — significance-tested eval regression gates so you don't ship on noise docs
helm Deploy + governance control plane for internal AI agents — ship an agent in one command; IT scopes its tools, caps token spend, kills it on demand site
agentic-pipeline Event-driven LLM request pipeline (Postgres queue, idempotent ingress, retry/DLQ/replay) — plus the benchmark that killed its own cost-routing feature repo
x402-bounty-radar Paid API for real, funded GitHub bounties — scam-filtered, competition-scored, $0.01/call in USDC via x402, no key, no KYC live

SaaS & web products

Project What it does Live
neurolens (NeuroPulse) Score any ad — image, video, or copy — across 8 brain regions before you spend a dollar promoting it. Open-source, self-hostable neurolens-nine.vercel.app
marketmyapp Marketing health score for indie founders — find out what's broken before your launch does marketmyapp.vercel.app
creator-roast AI profile audit — scores, grades, and a ranked fix list to get brand-deal ready creator-roast.vercel.app
helpmarq Honest, structured project feedback from real users in 48 hours. Free tier helpmarq.com

Consumer apps

Project What it does Live
noctiq AI sleep coach — reads HealthKit + Oura / WHOOP / Garmin and tells you exactly what to change noctiq-site.vercel.app
padelup AI padel coaching — video analysis, training plans, court finder trypadelup.com
ugc-engine AI-UGC system — generate, score, and improve short-form video + carousels that learn from every post ugc-engine-site.vercel.app

On-chain

Project What it does
sac-capital Verifiable AI trading agent — multi-stage LLM equity research with on-chain bytes32 commitments on Mantle, paper execution, full audit trail sapa-fund.vercel.app
curb Your bank card has a daily limit, your wallet doesn't — a Monad vault that caps daily outflow: lowering is instant, raising is timelocked curb-pink.vercel.app

Links

nikolas.helpmarq.com · X @NikolasSapa

Pinned Loading

  1. branch-ai branch-ai Public

    Reasoning canvas for AI CLIs — captures extended thinking from Claude Code, Codex, Gemini, and Droid as a navigable, forkable tree. Rewind, fork from any node, inject facts mid-thought. Local-first…

    TypeScript 3

  2. grip-browser grip-browser Public

    Token-efficient, CDP-native browser SDK for AI agents — turns a web page into a ~50-token semantic snapshot instead of ~12,000 tokens of raw HTML, with fuzzy element matching, shadow DOM traversal,…

    Python 1

  3. ns-ui ns-ui Public

    A shadcn-compatible registry of 266 React components you install as plain source — no package, no lock-in. Tailwind v4, Motion, and react-three-fiber. Ships with a CLI and an MCP server for agent-d…

    TypeScript 14

  4. sac-capital sac-capital Public

    Multi-stage LLM equity research agent that anchors deterministic bytes32 commitments of its trading decisions on Mantle for post-hoc verification, executes paper trades on Alpaca, and enforces a fr…

    Python 1

  5. toolfence toolfence Public

    Security scanner for MCP servers — flags tool poisoning, prompt injection, tool drift, over-broad scope, and context-cost runaway across 12 checks. Run as npx toolfence <url>, CI-ready exit codes.

    TypeScript 1

  6. helm helm Public

    Open-source deployment and governance control plane for internal AI agents — hosts each agent, scopes its tools and domains, meters token spend against budgets, and gives IT a kill switch and audit…

    TypeScript