Zukko Blog
Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.
An AI agent for job hunting: a résumé tailored to the job and cover letters
4 min · · агенты
We build a small tool: you give a vacancy text and a file with your real experience, and get a tailored résumé, a letter and a list of gaps. No invented skills.
Fiction with AI: how to write together, not instead of you
6 min · · models
How to work with a model on prose: build a project bible, hold the style, edit in passes and estimate the cost of a long text.
AI for testers: test cases, checklists and bug reports
5 min · · бизнес
How a QA engineer can use a model for test cases, checklists and bug reports, check coverage, and avoid requirements the model made up.
Translating subtitles with a neural network: SRT without broken timecodes
6 min · · автоматизация
The main risk when translating SRT with a neural network is a broken file structure. A scheme where timecodes never reach the model, and a Python script with validation.
Skills in Codex: what they are and how to write your own
5 min · · агенты
A Codex skill is a folder with SKILL.md that the agent loads by description or on your call. Structure, a pytest example, and how it differs from plugins and hooks.
Editing texts with a neural network: proofreading, style and cutting
5 min · · development
Different kinds of editing need different prompts. Wording for proofreading, style and cutting, how to get edits with explanations and how not to lose the author's voice.
Vibe coding for Bitrix24: apps and handlers built with an agent
6 min · · агенты
How to hand an agent a Bitrix24 app or handler without getting invented methods: project rules, webhooks, pagination, tests and a session cost.
Anonymizing data before sending it to a neural network: a practical way
6 min · · автоматизация
You do not have to send personal data to a model for it to process a document. How to replace it with labels, restore it in the answer and check that nothing leaked.
A neural network for writing scripts: Bash, PowerShell and Python
5 min · · development
A model writes scripts for routine fast, but running them blindly is risky. How to state the task, demand a safe dry-run mode and check the result before launch.
A neural network for HR: job posts, candidate emails and resume review
6 min · · бизнес
A model can draft job posts and emails and do a first-pass resume review. What to hand over, how to treat candidates' personal data and how to prevent biased decisions.
MCP in Open WebUI: giving models access to external tools
5 min · · агенты
Open WebUI can connect MCP servers and hand their tools to models. We cover step-by-step setup, the limits, and what it does to token usage when you work through a gateway.
Generating an FAQ with a neural network from tickets and a knowledge base
5 min · · автоматизация
A good FAQ is built on what customers really ask. A pipeline: group the tickets, answer from the knowledge base with a source reference, and verify the result.
Cursor and Obsidian: an AI agent for notes in your vault
6 min · · IDE
An Obsidian vault is just a folder of Markdown files, so you can open it in Cursor and hand the agent tagging, link hunting and summaries. Here is how to keep the structure safe.
Website copy with AI: homepage, services and FAQ without filler
5 min · · бизнес
AI writes smoothly but does not know your business. How to build a brief with facts, get page structure, edit the result before publishing, and what it costs.
Langflow or LangChain: a visual builder versus code
6 min · · сравнение
Langflow builds an app on a canvas, LangChain is written in code. Who each approach suits, and how to connect the gateway in both.
Dify in Docker: installation, first-run setup and connecting models
6 min · · development
Install Dify with Docker Compose, create the admin account and connect Claude, GPT and DeepSeek models on one key. Plus what to do when containers will not start.
Regular expressions with AI: how to get a working regex and test it
5 min · · development
A model writes regex fast but errs confidently on edge cases. A request with examples, an auto-check loop and protection against hangs.
Analyzing logs with AI: from thousands of lines to a clear cause of failure
4 min · · автоматизация
Do not send gigabytes of logs to a model. Filter, group by templates, ask for hypotheses tied to lines and verify them. Code and price estimate inside.
Business correspondence with AI: letters, replies and tone without bureaucratese
4 min · · автоматизация
How to get letters from a model that do not sound like boilerplate: request structure, ready prompts, a company tone profile and a pre-send check.
AI for DevOps: configs, scripts and incident analysis
5 min · · автоматизация
A model drafts configs and reads logs well, but must not hold production rights. Tasks, safe boundaries and a sample script.
MCP in opencode: connecting local and remote servers
5 min · · агенты
Step by step MCP setup for opencode: the mcp block in config, headers and OAuth, disabling servers for specific agents, and what extra tools cost.
Porting code to another language with AI: migration plan and checks
5 min · · development
AI translates code between languages quickly, but it will not preserve behaviour on its own. A module migration plan with reference tests and comparison.
DeepSeek API OCR: extracting text from images with V4 Pro
5 min · · автоматизация
DeepSeek V4 Pro accepts images, so it can read text from screenshots and scans. Python code, a JSON mode, accuracy checks and a cost calculation for 1,000 pages.
AI for translating scientific papers: terms, formulas and references
5 min · · автоматизация
Scientific text breaks where ordinary translation goes smoothly: formulas, terms, references. A pipeline with formula protection, a glossary and checks, and what it costs.