Zukko Blog
Guides to Claude Code, Cursor, Codex and the Claude and GPT APIs: setup, token savings and troubleshooting.
GitHub Copilot vs Cursor: what a developer should choose in 2026
7 min · · сравнение
Copilot plugs into the environment you already use, Cursor is the environment. A comparison by integration, agents, models and payment, then the cost of working on your own key.
Cursor vs Codex: an AI editor or a console agent, which to choose
6 min · · сравнение
Cursor and Codex solve the same problem differently: one lives in the editor, the other in the terminal. Workflows, connecting your own key and the cost of a session, with a calculation.
The Codex extension for VS Code: features and your own provider
6 min · · IDE
The Codex extension lives in the VS Code sidebar and uses the same config.toml as the CLI. Features, connecting a gateway and the limits.
Cursor for 1C: writing BSL code with an AI agent
6 min · · IDE
How to open a 1C configuration dump in Cursor, write rules for BSL, give the agent metadata and avoid accepting invented code. With a session cost estimate.
Cursor AI limits: how they work and what to do when you run out
6 min · · errors
A Cursor limit is consumption of an included amount of usage, not a message counter. What eats it and four ways to keep working when it runs out.
Cursor AI setup: models, your own key, rules and indexing
6 min · · IDE
A step-by-step Cursor setup: your own key with the gateway address, models, project rules, context exclusions and a connection check. What to do on day one.
Claude Code through OpenRouter or the Zukko gateway: setup and differences
6 min · · IDE
Claude Code connects to both services through an Anthropic-compatible entry point. We show the configs side by side, the differences in model names, the connection check, and how cache affects the bill.
Cline or Kilo Code: how they differ and which to choose
7 min · · сравнение
Both are VS Code agents that accept your own key. Where their modes, default providers and approach to multitasking differ, and what that costs.
Cline in JetBrains: Installing in IntelliJ IDEA and PyCharm
6 min · · IDE
The Cline plugin is in the JetBrains Marketplace. Installation, provider setup with the gateway address, auto-approve and a fallback via ACP.
MCP servers for Cursor: how to connect them without overloading context
6 min · · IDE
Connecting MCP servers in Cursor through mcp.json, the types of servers and ways to store tokens. Plus how extra tools eat context and money.
Codex in Russia: installation and use without a ChatGPT subscription
5 min · · IDE
Codex CLI can be pointed at a gateway through a single config file. Installation, config.toml and a breakdown of the typical access and authorization errors.
Cursor in Russian: interface, AI replies and code comments
6 min · · IDE
Three different questions behind one query: the language of AI replies, of the interface and of code comments. Each covered, with .cursor/rules and a token calculation.
Copilot: Language model unavailable and other errors, what to do
6 min · · errors
What to do when Copilot says Language model unavailable or "We are having troubles", and how to keep working on your own key.
opencode or Qwen Code: which to pick for working with many models
5 min · · сравнение
Both agents are open source and not tied to one vendor. How provider setup, configs, agents and spending differ when you use the same key.
Windsurf AI: what the editor is and how to work with it from Russia
6 min · · IDE
What Windsurf is, how it relates to Cursor and Devin, and what to do when sign-in or payment from Russia fails: editors and agents that take your own key.
Windsurf vs Cursor: comparing AI editors by verifiable traits
6 min · · IDE
We compare Windsurf and Cursor on what can be verified: agent modes, Tab, rules, MCP and bringing your own key, with an honest note where the docs are silent.
opencode: what this agent is and how to connect your own models
5 min · · агенты
opencode is an open-source coding agent for the terminal that is not tied to one model vendor. Install, first commands and connecting a key.
Claude Desktop for Linux: Is There a Version and What to Use Instead
5 min · · IDE
An official Linux beta exists, but only for the Debian family. Its limits and alternatives for other distributions.
GitHub Copilot in VS Code: setup and connecting your own models
6 min · · IDE
Enable GitHub Copilot in VS Code, then connect your own models through Custom Endpoint with an API key, and see what works without a subscription.
Roo Code not working or hanging on API Request: what to check
6 min · · errors
Roo Code stays silent, hangs on API Request or throws errors. We go from simple to complex: key, address, model, context, timeouts and limits.
Cline vs Roo Code: comparing the two VS Code agents in 2026
6 min · · IDE
Roo Code grew out of Cline, then the paths split. We compare modes, rules and token spend, and cover what the Roo Code shutdown changes.
Cursor AI pricing: the subscription vs paying per token on your own key
6 min · · экономия
A Cursor subscription and per-token billing on your own key are calculated differently. Here is the formula and a worked week of agent work across several models.
GitHub Copilot: what it is and how it differs from AI agents
6 min · · IDE
What GitHub Copilot is, what it consists of and how it differs from Cline, Cursor and Claude Code, and when you need your own key.
GitHub Copilot in Russia: what works and what to use instead
6 min · · IDE
What makes GitHub Copilot a question mark for users in Russia, and which alternatives work in VS Code on your own API key.