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gabchess/README.md

Gabriel Abreu (Gabe)

Pixel art of a person working at a desk

Hiii, I'm Gabe. I've worked for the past 15 years somewhere between why it matters and how it works in all things marketing, but esp. writing, ghostwriting, growth & socials.

I recently graduated as an applied AI software engineer via UniPDS, and I've been working on all things AI, esp. MCP servers, agent plumbing, designing new harnesses, AI workflows, plugins, augments & creative AI products & apps.

My MBA coursework covered AI systems architecture, MCP, autonomous agents, fine-tuning (LoRA, PEFT) and AI security & governance.

Marketing Engineering Blog Contact

Path What I do
Marketing · Marketer & Writer I shape brand narrative & write it everywhere: ghostwriting, content marketing, socials, launches, product education and SEO/AEO.
Engineering · Applied AI engineering I help teams work better with AI, from finding the problem to building the fix and bringing people along.

How I work: Intro video · Creative video · Building with AI

🔓 Open source

Public repos you can read, run and fork. Scout and Job-hunt are augments, explained further down.

Project What it does Language Access
Scout Gives your agent onchain analytics: wallet lookup, PnL and DCA proposals. Python Open source, MIT
Job-hunt Builds an n8n job-search workflow with your coding agent. JavaScript Open source, MIT
Hedwig An OpSec check (MCP server) that payment agents consult before an onchain transaction goes out. JavaScript, TypeScript Open source, MIT

🛡️ Custom AI harnesses

An AI harness gives a model the tools, memory and controls to work through a task.

Agent = Model + Harness

The model chooses the next step. The harness runs the permitted tools, keeps context and feeds the results back. Evals check how the system behaves.

⚒️ Building now

  • Maria: An AI app that helps older adults check suspicious messages for scams.
  • Hedwig: An OpSec check (MCP server) that payment agents consult before an onchain transaction goes out.
  • Tixmancer: An AI agent that hunts secondhand finds within your budget. In development, with a waitlist.

🔒 Private, demo on request

These repos are private. Ask me for a demo or an invite.

🛡️ Harnesses

Harness What it does Access
HyperBots Coordinates specialist agents for software and marketing work. Private, invite-only
OpSec Takes security research from code review to QA, PR & PoC. Private, invite-only
Gabe Factory Turns one topic into sourced X, LinkedIn and blog drafts. Private, invite-only
Video-show Handles all things related to video production. Private, invite-only
Product Machine Creates, sells and upsells low-ticket products end to end. Private, invite-only

🪄 Augments

An augment packages a workflow for your AI assistant as a plugin or skill folder. I build them for content teams and developers.

Augment What it does Access
Cinematic site Builds animated portfolio sites with strong UI, SEO and AEO. Private, invite-only

🗺️ Marketing workflows

Project What it does
Prospector Researches and qualifies outbound leads for human review.
Launch Factory Drafts launch assets from release files, with source citations and human approval.
TAM mapper Maps every account that could buy from you, deduped.
5 more workflows
Project What it does
Outbound personalizer Adapts outbound copy to each account segment.
Objections to content Turns sales-call objections into a content calendar.
Campaign launcher Checks lead lists and email sequences before launch.
Content repurposer Finds relevant material in your published work.
Campaign analyzer Compares campaign results by audience and copy variant.

📜 Writing

I started with poems and short stories as a teen. Globo found me through my chess blog, and in 2021 I advised the cast of “Um Lugar ao Sol” on chess. Most recently I wrote for 10+ Web3 brands and ghostwrote for crypto creators & a finance executive. Now I write about all things AI, marketing, and what I learn from building on my blog.

How I could provide ROI right away
How I could provide ROI right away
Is it OK to let AI be your copy editor?
Is it OK to let AI be your copy editor?
Lessons on building a banger portfolio website with AI
Lessons on building a banger portfolio website with AI

⚔️ Security research

On Immunefi, Quantus paid me for 2 findings: 1 High, the chief finding, and 1 Medium. I wrote up a byte-offset bug in Anchor's LazyAccount as a pull request in my fork, with a proof of concept and a fix. I also built a native SOL vault extension to the Solana Vault Standard.

🧭 SEO/AEO/GEO

At a barbecue, a childhood friend told me his painting studio needed more students. I built a landing page for his studio with local SEO and structured data for search and AI discovery. A few weeks later, demand had grown enough that he had to open a waitlist.

🧪 Also built

Clawmanship · SafeSkill · Grimoire · Solana Ship Gate · Solana Narrative Tracker · Prediction Pari Market · Privacy for Solana · Patronus · SolGuard · Agenthub · E-commerce Data Analysis with pandas · WalletBrief for Monad


X · LinkedIn · Contact

Back to building ⚒️

Pinned Loading

  1. hedwig hedwig Public

    Built to help autonomous agents doing payments onchain

    TypeScript 1

  2. scout-onchain scout-onchain Public

    A customizable onchain portfolio manager for AI agents, powered by Zerion.

    Python 2

  3. prospector prospector Public

    A B2B lead tool or GTM engineers.

    TypeScript 1

  4. launch-factory launch-factory Public

    Launch Factory: one release source in, claim-traced launch assets out. Every claim quotes its source; a human approves before anything ships. MIT.

    Python

  5. patronus patronus Public

    Onchain-attested, runtime-scoped credentials for AI agents on Solana DeFi.

    TypeScript

  6. solana-ship-gate solana-ship-gate Public

    Auditor-grade pre-deploy safety gate for Solana programs: 4 deterministic checks, machine-readable PASS/FAIL, blocks unsafe mainnet deploys/upgrades via a PreToolUse hook. A Solana AI Kit skill. MIT.

    Shell