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Anthropic Engineering

Articles about AI Agents, Prompt Engineering, Claude Code.
21 articles · Last updated: 08/03/2026

Articles

Eval awareness in Claude Opus 4.6’s BrowseComp performance

explanation · 08/03/2026 · Eval Awareness, AI Benchmarking, Model Contamination

Raising the bar on SWE-bench Verified with Claude 3.5 Sonnet

explanation · 21/02/2026 · Prompt Engineering, AI Agents, Claude Code

Claude Code overview

reference · 21/02/2026 · Prompt Engineering, AI Agents, Claude Code

Introducing Contextual Retrieval

explanation · 21/02/2026 · Prompt Engineering, AI Agents, RAG

The "think" tool: Enabling Claude to stop and think in complex tool use situations

how-to · 21/02/2026 · AI, Technology

Engineering

explanation · 20/02/2026 · ai-agents, coding-evaluations, technical-evaluations

Quantifying infrastructure noise in agentic coding evals

explanation · 12/02/2026 · Agent-Native Architecture, AI Agents, Software Engineering Benchmarks

Building a C compiler with a team of parallel Claudes

explanation · 12/02/2026 · AI Agents, Agent-Native Architecture, Claude Code

Designing AI-resistant technical evaluations

explanation · 02/02/2026 · Technical Hiring, Performance Engineering, AI Agents

Introducing advanced tool use on the Claude Developer Platform

explanation · 02/02/2026 · Anthropic API, AI Agents, Prompt Engineering

Desktop Extensions: One-click MCP server installation for Claude Desktop

how-to · 02/02/2026 · Anthropic API, Prompt Engineering, Software Development

Demystifying evals for AI agents

explanation · 02/02/2026 · Agent-Native Architecture, Evaluation Harness, AI Agents

A postmortem of three recent issues

explanation · 02/02/2026 · API Performance, Infrastructure Bugs, Claude Code

Effective context engineering for AI agents

explanation · 02/02/2026 · Context Engineering, AI Agents, Transformer Architecture

Beyond permission prompts: making Claude Code more secure and autonomous

explanation · 02/02/2026 · AI Agents, Claude Code, Open Source

Effective harnesses for long-running agents

how-to · 01/02/2026 · AI Development, Incremental Development, Task Management for AI Agents

Code execution with MCP: Building more efficient agents

explanation · 31/01/2026 · Software Development, Efficiency in Computing, Protocol Standards

How we built our multi-agent research system

explanation · 31/01/2026 · Multi-agent systems, Token efficiency in AI models, System architecture and design

Writing effective tools for agents — with agents

how-to · 29/01/2026 · Prompt Engineering, Agent-Native Architecture, Anthropic API

Equipping agents for the real world with Agent Skills

explanation · 29/01/2026 · Agent-Native Architecture, Claude Code, AI Agents

Building agents with the Claude Agent SDK

tutorial · 29/01/2026 · Agent-Native Architecture, Claude Code, AI Agents