Source-level analysis of unreleased features, secret CLI flags, hidden commands, and architecture internals of the Claude Code CLI.

A security researcher found Anthropic's full CLI source code exposed through a source map file. 1,900 files. 512,000+ lines. Everything. Tagged with claudecode, security, typescript, ai.

A federal judge in California has indefinitely blocked the Pentagon’s effort to “punish” Anthropic by labeling it a supply chain risk and attempting to sever government ties with the AI company, ruling that those measures ran roughshod over its constitutional rights.

Use channels to push messages, alerts, and webhooks into your Claude Code session from an MCP server. Forward CI results, chat messages, and monitoring events so Claude can react while you're away.

We’re launching The Anthropic Institute, a new effort to confront the most significant challenges that powerful AI will pose to our societies.

Anthropic's response to the Secretary of War and advice for customers

Continue a local Claude Code session from your phone, tablet, or any browser using Remote Control. Works with claude.ai/code and the Claude mobile app.

Claude Sonnet 4.6 is a full upgrade of the model’s skills across coding, computer use, long-reasoning, agent planning, knowledge work, and design.

Send non-urgent work to the Anthropic Batch API at 50% cost — directly from Claude Code - s2-streamstore/claude-batch-toolkit

We’re upgrading our smartest model. Across agentic coding, computer use, tool use, search, and finance, Opus 4.6 is an industry-leading model, often by wide margin.

We’ve made a choice: Claude will remain ad-free. We explain why advertising incentives are incompatible with a genuinely helpful AI assistant, and how we plan to expand access without compromising user trust.

Complete Claude Code configuration collection - agents, skills, hooks, commands, rules, MCPs. Battle-tested configs from an Anthropic hackathon winner. - affaan-m/everything-claude-code

Local Deep Research achieves ~95% on SimpleQA benchmark (tested with GPT-4.1-mini). Supports local and cloud LLMs (Ollama, Google, Anthropic, ...). Searches 10+ sources - arXiv, PubMed, web, and your private documents. Everything Local & Encrypted. - LearningCircuit/local-deep-research

Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.

Claude can now discover, learn, and execute tools dynamically to enable agents that take action in the real world. Here’s how.

Anthropic this morning introduced Claude Skills, a new pattern for making new abilities available to their models: Claude can now use Skills to improve how it performs specific tasks. Skills …

Anthropic's Interactive Prompt Engineering Tutorial - anthropics/prompt-eng-interactive-tutorial

A collection of production-ready subagents for Claude Code - wshobson/agents