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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


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
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
helm "Vercel for internal agents" — ship an agent in one command; IT scopes its tools, caps token spend, one-click kill switch helm-internal-agent-platform.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

Links

nikolas.helpmarq.com · X @NikolasSapa

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  1. branch-ai branch-ai Public

    Reasoning canvas for AI CLIs. Branch captures the extended thinking from Claude Code, OpenAI Codex, Gemini CLI, and Factory Droid as a navigable, forkable tree — rewind any step, fork from any node…

    TypeScript 3

  2. neurolens neurolens Public

    NeuroPulse scores any ad — image, video, or copy — across 8 brain regions and tells you the specific weakest spot before you spend on it. Open-source, CPU-only, self-hostable. Persona generator, A/…

    Python 2

  3. branch-obsidian branch-obsidian Public

    Obsidian plugin to embed branch-ai reasoning trees in your notes

    TypeScript 1

  4. clientcast clientcast Public

    CLI + MCP server that turns your git commits into AI-drafted client update emails, then classifies every reply as approval, feedback, or scope creep — with hours and dollars attached. Hosted approv…

    TypeScript 2

  5. grip-browser grip-browser Public

    Token-efficient, CDP-native browser SDK for AI agents in Python. Gives an LLM a ~50-token semantic page snapshot instead of ~12,000 tokens of raw HTML — built directly on Chrome DevTools Protocol, …

    Python 1

  6. skillswitch skillswitch Public

    CLI to manage AI coding skills across Claude Code, Gemini CLI, Codex, Aider, Amp & Factory Droid. Disable unused skills so they stop bloating your context window, snapshot enable/disable sets as pr…

    TypeScript