# nyk > Technical founder portfolio for AI agent operations, Solana infrastructure, open source, and fixed-scope systems. nyk, also known as 0xNyk, publishes operating notes and open-source tools. The portfolio includes 16K+ stars across flagship public work as of 2026-08-06. ## Portfolio - [rpc edge](https://www.nyk.dev/ventures#rpcedge): Product + GTM. Solana infrastructure for trading-bot, sniper, copy-trading, and execution teams: data paths, transaction sending, and dedicated capacity. Canonical venture: https://rpcedge.com. - [Builderz](https://www.nyk.dev/ventures#builderz): Solana + AI studio. Team delivery for Solana products, infrastructure, and agent systems. Canonical venture: https://builderz.dev. - [Consulting](https://www.nyk.dev/ventures#consulting): Packages from $3K. Nyk-led fixed-scope systems, advisory, growth, sites, and retainers. Canonical venture: https://www.nyk.dev/consulting. - [Open source](https://www.nyk.dev/ventures#oss): 16K+ stars. Skills, CLIs, control planes people use. Trust and distribution for the brand. Canonical venture: https://www.nyk.dev/oss. - [reachpeaks](https://www.nyk.dev/ventures#reachpeaks): Founder · validating. A measured X growth operating loop for technical founders. Currently in private validation before any SaaS build. Canonical venture: https://www.reachpeaks.io. ## Consulting packages - [Agent Reliability Audit](https://www.nyk.dev/consulting#agent-audit): Numbers on where your agents actually fail, and a fix list in priority order. $4K - $7K, 2 weeks. - [Agent OS Setup](https://www.nyk.dev/consulting#agent-os): A working agent stack your team (or practice) can run without you. $5K - $12K, 2-4 weeks. - [Company Launch System](https://www.nyk.dev/consulting#site-surfaces): A credible company presence built to earn and convert attention. $5K - $15K, 2-5 weeks. - [Solana Infra Ops](https://www.nyk.dev/consulting#solana-infra): Lower latency, clearer pipelines, RPC path you can run in prod. $8K - $25K, 2-6 weeks. - [X Growth System](https://www.nyk.dev/consulting#growth-system): A measured distribution loop you can run weekly. $4K - $9K, 1-2 weeks. - [Maintainer Retainer](https://www.nyk.dev/consulting#maintainer): The system keeps working after the build ships. $2.5K - $5K/mo, Monthly. - [Advisory / Fractional CTO](https://www.nyk.dev/consulting#advisory): Architecture and priorities that stay coherent under load. $3K - $6K/mo, Monthly. ## Selected guides - [EU AI Act Traceability for Coding Agents: Mapping Obligations to NIST AI RMF and ISO 42001](https://www.nyk.dev/blog/eu-ai-act-traceability-coding-agents): The Omnibus deferred high-risk obligations to December 2027 and left the record-keeping duty untouched. A deferral is not relief, because the evidence has to exist before the obligation lands. - [How to Actually Ship OSS Like a Product Without a Second Job](https://www.nyk.dev/blog/ship-oss-like-a-product): 14.5k+ stars and cold visitors still bounce on two install paths and zero verify. Treat the repository as a product surface: one install path, one proof, one next step. - [How to Actually Debug Agent Failures: 5 Harness Checks a Bigger Model Cannot Fix](https://www.nyk.dev/blog/agent-harness-failure-matrix): Lost state, dirty environments, unsafe tools, missing graders, duplicate work. Five failures that survive a model upgrade, and the harness checks that catch them. - [Claude vs Codex vs Cursor vs Grok: the $200 Wrong-Seat Playbook](https://www.nyk.dev/blog/claude-vs-codex-vs-cursor-vs-grok): Four coding products keep getting ranked as one model contest. It is a routing failure: an interface, two harnesses, and a model path. Pick the seat, then pick the brand. - [How to Version the Claude System Prompt That Governs Production Before It Breaks](https://www.nyk.dev/blog/system-prompt-is-untested-production-code): Every other harness component is engineered. The prompt is curated — no diff, no owner, no test, no record of why the last sentence was added. Six checks that close the gap. - [Production Checklist for a Vibe-Coded Web App](https://www.nyk.dev/blog/production-checklist-vibe-coded-web-app): A release receipt for clean builds, bad inputs, production journeys, security boundaries, mobile QA, rollback, and post-launch monitoring. ## Canonical pages - [Home](https://www.nyk.dev): Portfolio, ventures, public proof, and contact paths. - [Venture portfolio](https://www.nyk.dev/ventures): Roles, stages, evidence, fit, and next actions across the ventures under nyk. - [About nyk](https://www.nyk.dev/about): Background, working model, public proof, delivery lanes, and operating principles. - [Contact nyk](https://www.nyk.dev/contact): Booking, direct consulting, Builderz studio, and scoped email inquiry routes. - [Product support](https://www.nyk.dev/support): Trackable help for Harness Ready, Production Agent OS Kit, Release Receipt Kit, Skill Vetting Pack, Production Agent Systems, and Hermes Agent OS Kit delivery, downloads, billing, compatibility, and product issues. - [Consulting packages](https://www.nyk.dev/consulting): Fixed-scope offers, published prices, delivery windows, and booking paths. - [Builderz studio](https://www.nyk.dev/services): Team delivery for larger Solana and AI product builds. - [Privacy and data use](https://www.nyk.dev/privacy): Newsletter, measurement, AI chat, and data-control details. - [Accessibility](https://www.nyk.dev/accessibility): Keyboard, layout, motion, form, checkout, email, and feedback approach without an unverified conformance claim. - [Selected work](https://www.nyk.dev/work): Role-labeled founder work, Builderz studio delivery, and open-source proof. - [Case studies](https://www.nyk.dev/case-studies): Delivery records with stated roles, scope, evidence limits, and package paths. - [Open-source catalog](https://www.nyk.dev/oss): Curated projects with source links and project details. - [Resources](https://www.nyk.dev/resources): Free operator checklists and case-study patterns. - [Products](https://www.nyk.dev/products): Self-serve Harness Ready, Production Agent OS Kit, Release Receipt Kit, Skill Vetting Pack, Production Agent Systems, and Hermes Agent OS Kit; ladder into fixed consulting packages. - [Harness Ready](https://www.nyk.dev/products/harness-ready): Shipped v1.0.0 local CLI for auditing, planning, applying, verifying, and rolling back repo-specific Claude Code and Codex instructions. Next.js and TypeScript first. - [Production Agent OS Kit](https://www.nyk.dev/products/agent-os-kit): Founding self-serve system for coding-agent authority, verification, recovery, handoff, and continuous improvement. - [Release Receipt Kit](https://www.nyk.dev/products/release-receipt): Shipped v1.0.0 local release gate for agent-written code. Six checks - behaviour proof, scope fidelity, supply chain, secret safety, rollback proof, run evidence - and a network-free CLI that emits a self-verifying receipt. - [Skill Vetting Pack](https://www.nyk.dev/products/skill-vetting-pack): Shipped v1.0.0 local review system for inventorying agent skills, preserving content digests, flagging capability signals, comparing revisions, and recording accountable re-vetting decisions. - [Production Agent Systems Course](https://www.nyk.dev/courses): Ten self-paced PDFs with orientation, six modules, six scenario labs and annotated solutions, a capstone, and a field guide covering authority through release operations. - [Blog](https://www.nyk.dev/blog): Field notes and guides. - [RSS feed](https://www.nyk.dev/feed.xml): Published blog entries. - [Sitemap](https://www.nyk.dev/sitemap.xml): Canonical indexable URLs. ## Identity - [GitHub](https://github.com/0xNyk) - [X](https://x.com/nykdotdev) - [Contact](https://www.nyk.dev/contact): nyk@builderz.dev ## Optional - [Full public portfolio context](https://www.nyk.dev/llms-full.txt): Experimental inference-time record generated from the same venture, package, project, case-study, and profile sources as the visible site.