Cursor Composer vs Claude Code vs Codex CLI vs Gemini CLI
How Cursor Composer, Claude Code, Codex CLI, and Gemini CLI compare on setup, agents, MCP, models, and pricing in 2026.
A collection of 9 posts
How Cursor Composer, Claude Code, Codex CLI, and Gemini CLI compare on setup, agents, MCP, models, and pricing in 2026.
AGENTS.md, CLAUDE.md, .cursor/rules, SKILL.md, and Copilot instructions all do the same job differently. Here is the 2026 breakdown of format, frontmatter, monorepo handling, and which one to pick.
Use the Playwright MCP server with Claude Code and Cursor to generate E2E tests against your live DOM — setup, review loop, failure modes, conventions file.
Grok Build, Claude Code, and Codex CLI compared on benchmarks, pricing, and workflow — including Anthropic's June 15 metered-credit change.
Anthropic's June 15, 2026 billing change moves Claude Agent SDK and claude -p onto a separate metered credit. Here's the exact pre-deadline checklist.
A senior-engineer field guide to the ten errors you will actually hit in Claude Code in 2026 — 529, 401, MCP -32000, Client Closed, plugin and skill failures, subagent timeouts, sandbox denials — plus how to read the /doctor output line by line.
A curated list of the 15 MCP servers worth installing for Claude Code and Cursor in 2026 — what each one does, the install command, when it shines, and how to stay under Cursor's 40-tool ceiling.
Claude Code's source is now public on GitHub. This guide covers what the OSS release actually means, every install method, project configuration, BYOK via LiteLLM, and power-user tips for MCP servers and GitHub Actions.
Andrej Karpathy revealed a shift from using LLMs for code generation to building a self-maintaining personal knowledge base. Here's the full architecture and how to build your own.