Engineering at Anthropic: Inside the team building reliable AI systems
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Designing AI-resistant technical evaluations
What we learned from three iterations of a performance engineering take-home that Claude keeps beating.
Demystifying evals for AI agents
Jan 09, 2026
Effective harnesses for long-running agents
Nov 26, 2025
Introducing advanced tool use on the Claude Developer Platform
Nov 24, 2025
Code execution with MCP: Building more efficient agents
Nov 04, 2025
Beyond permission prompts: making Claude Code more secure and autonomous
Oct 20, 2025
Effective context engineering for AI agents
Sep 29, 2025
A postmortem of three recent issues
Sep 17, 2025
Writing effective tools for agents — with agents
Sep 11, 2025
Desktop Extensions: One-click MCP server installation for Claude Desktop
Jun 26, 2025
How we built our multi-agent research system
Jun 13, 2025
Claude Code: Best practices for agentic coding
Apr 18, 2025
The "think" tool: Enabling Claude to stop and think in complex tool use situations
Mar 20, 2025
Raising the bar on SWE-bench Verified with Claude 3.5 Sonnet
Jan 06, 2025
Building effective agents
Dec 19, 2024
Introducing Contextual Retrieval
Sep 19, 2024