Claude Code

Claude Code — Technology. approach: Direct search via grep/glob without indexing · strength: Instruction following, code generation, tool use · self-writing: ~90% of code written by itself · category: CLI coding agent · category: CLI coding agent hosting the claude-api skill · context: Coding agent where Claude writes ~90% of the code; CLI, desktop, web and mobile repos · creation_date: September 2024 · context_window: 1 million tokens · interface: terminal-first CLI agent · business model: Proprietary, bundled with Claude Pro/Max · affected_products: Claude Code, Claude Agent SDK, Claude Cowork · revenue: $500M annual (run-rate) · annualized revenue: ~$1 billion (November 2025) · role: Primary agent whose heavy reads and generations are routed to a secondary model · criticized role: "Behavioral funnel" / hostage layer locking down the dev · stack: TypeScript, React terminal · usage: Coding agent used cross-functionally at Anthropic (product, devrel, design write code) for end-to-end delivery · adversarial use: Skills driving the workflows of an espionage actor; also used by a Chinese cyberpolice unit and a Yemeni weapons cell · described_usage: Execution of detailed plans in Fidelity One and Two · reported uses: Prototyping by non-developers, code review, single-purpose agents, self-service analytics, assisted rebuilds; the features cited are MCP, skills, CLAUDE.md, Code Review, hooks, dynamic workflows, plan mode · corrected_version: v2.1.116 (April 20, 2026) · versions: `/goal` shipped v2.1.139 (May 11, 2026), branch 2.1.x, Opus 4.8 by default · publisher: Anthropic