Services

// AI System Integration, Security, and Technical Advisory

S-1

AI System Integration

Connect internal tools, APIs, spreadsheets, Slack, and support workflows to AI safely. I build MCP servers, LLM integrations, and automation workflows that start small and can be operated by your team.

From $600 MCP / LLM / WORKFLOW
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S-2

Security Assessment

Security review for web apps, AI integrations, MCP tools, and CI/CD. Focus areas include SQLi, XSS, broken access control, secret leaks, and prompt injection.

From $350 FREE INITIAL CONSULT
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S-3

CI/CD & Infrastructure

Deployment, backup, monitoring, security headers, and infrastructure automation with GitHub Actions, Cloudflare, and Terraform. Reduce manual operational work.

From $200 IaC ORIENTED
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S-4

Business Tool Development

CLI tools, MCP servers, API integrations, and internal automation with Go / Rust / TypeScript / Python. Practical tools designed for daily operation.

From $350 GO / RUST / TS / PYTHON
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S-5

Consulting & Support

Ongoing support for AI adoption, security, architecture review, and development decisions. Useful for solo founders and small teams without a dedicated senior engineer.

From $250 / month CONSULTATION
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C

Common Requests

// A finished spec is not required

C-1

Search internal data with AI

Connect Google Sheets, Notion, databases, and internal APIs to AI while keeping permissions and logging in mind.

C-2

Classify and draft support replies

Automate classification, priority scoring, draft replies, and routing for forms, email, and chat messages.

C-3

Connect Slack and work tools to AI

Design and build safe AI access to Slack, GitHub, Google Workspace, and existing SaaS workflows.

C-4

Build a custom MCP server

Design and implement MCP servers for existing systems, with attention to permissions and input validation.

C-5

Review AI integration security

Review prompt injection, secret leaks, over-permissioned tools, and risky tool execution paths.

C-6

Build a small business tool

Create practical CLI tools, dashboards, API integrations, and automated reports that reduce repetitive work.

F

First Consultation Flow

// Start with a small, concrete scope

  1. F-1 READY

    Understand

    Review the workflow, tools, constraints, and data that can be handled.

  2. F-2 READY

    Prioritize

    Narrow automation candidates down to one to three items and rank them by practical impact.

  3. F-3 READY

    Check Risk

    Identify permission, secret, external transmission, and prompt injection risks before implementation.

  4. F-4 READY

    Start Small

    Choose a PoC, spot review, or monthly support plan, then begin with the smallest useful scope.

P

Projects / Tools

// Public work and engineering examples

P-1 Public OSS

protonmail-mcp

A Go-based MCP server for ProtonMail. Built with official Proton libraries and includes login, search, decryption, send preview, confirmation tokens, and prompt injection defenses.

GO / MCP / SECURITY View
P-2 Development project

mcprobe

A Rust static security scanner for MCP servers. It detects prompt injection, tool poisoning, command injection, path traversal, and related risks with rule-based checks, JSON / SARIF output, and MCP server mode.

RUST / MCP / SARIF / CLI
P-3 Live site

yn-labs.com

A multilingual Hugo / Tailwind / Cloudflare Pages site with OGP metadata, structured data, security headers, and a contact path for technical inquiries.

HUGO / TAILWIND / CF View
P-4 Live site
World Cat News

World Cat News

A web app that curates cat news from overseas media, then translates and summarizes it daily with AI. Built on Next.js 14 (App Router) + Convex, deployed to Cloudflare Pages and managed with Terraform.

NEXT.JS / CONVEX / CF View
ID: CT-9982

Start with a small technical consultation

You do not need a finished spec. Bring the workflow, system, or security concern, and I will help turn it into a concrete first step.

📝 Contact Form

// Average response time: < 24h