Anthropic claude-agent-sdk-python trending on GitHub
The official Anthropic Python SDK for building Claude-based agents is trending on GitHub with 7,273 total stars and 12 new stars today. The repository represents Anthropic's tooling layer for agent development in Python. Low daily velocity suggests steady rather than viral adoption.
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anthropics/claude-code: Agentic Terminal Coding Tool Trending on GitHub
Claude Code is an agentic coding tool developed by Anthropic that operates in the terminal, enabling natural language interaction with codebases for tasks like code execution, explanation, and git workflow management. The repository has accumulated 127,316 stars with 323 added today, indicating sustained community interest. It represents Anthropic's direct entry into the developer tooling space with an agent-oriented product.
Anthropic Publishes 'Agent Skills' Public Repository
Anthropic has made a public GitHub repository called 'skills' available, described as a public repository for Agent Skills. The repository has accumulated 136,679 total stars with 514 added today, suggesting significant community interest. The project appears to be a Python-based resource related to agent capabilities, though specific technical details are sparse from the available description.
Anthropic releases claude-code-security-review GitHub Action for automated security analysis
Anthropic published an open-source GitHub Action that uses Claude to automatically analyze code changes for security vulnerabilities as part of CI/CD workflows. The tool integrates directly into GitHub pull request pipelines. With 5,157 stars, it has attracted meaningful community interest as a practical agentic coding security tool.
shareAI-lab/learn-claude-code: Minimal Claude Code-style Agent Harness in Python
A GitHub repository implementing a minimal 'nano' version of a Claude Code-style agent harness built from scratch in Python, using Bash as the primary tool interface. The project has accumulated 62,802 stars with 262 added today, indicating significant community interest. It serves as an educational resource for understanding how agentic coding assistants like Claude Code are structured at a low level.
Anthropic launches Claude Mythos 5 and Claude Fable 5; Andrew Ng introduces OpenCoworker desktop agent
Anthropic released Claude Mythos 5 and Claude Fable 5, two variants of the same frontier model that set new state-of-the-art results across software engineering, knowledge work, cybersecurity, and agentic coding benchmarks. Claude Fable 5 is the general-availability version with safety classifiers that restrict responses on security, biology, chemistry, and cutting-edge AI topics, priced at $10/$50 per million input/output tokens; Mythos 5 is restricted to selected partners via Project Glasswing. Separately, Andrew Ng and collaborators released OpenCoworker, a free open-source desktop agent harness built on top of aisuite, designed to give users privacy-preserving agentic workflows with their own API keys or local models. The newsletter also contextualizes the broader shift toward LLM-driven agent harnesses as frontier models have become capable enough to reliably drive next-action decisions.
Anthropic Releases Claude Sonnet 4.5: Top Coding and Computer-Use Model with Agent SDK
Anthropic has released Claude Sonnet 4.5, claiming it is the best coding model and strongest model for building complex agents, with a 61.4% score on OSWorld (up from 42.2% for Sonnet 4) and state-of-the-art performance on SWE-bench Verified. The release is accompanied by major product upgrades including checkpoints in Claude Code, a native VS Code extension, a Claude Agent SDK giving developers access to the same infrastructure powering Claude Code, and new context editing and memory tools in the Claude API. Pricing is unchanged from Sonnet 4 at $3/$15 per million input/output tokens. Early enterprise customers including Cursor, GitHub Copilot, Devin, Canva, and Figma report significant gains in coding, agentic, and long-context tasks.
Anthropic announces 'Code with Claude' — its first developer conference
Anthropic announced Code with Claude, its first developer conference, held May 22, 2025 in San Francisco at The Midway. The one-day event targets a select group of developers and founders, with sessions covering the Anthropic API, Claude Code, Model Context Protocol (MCP), AI agent implementation strategies, and tool use patterns. Attendees will hear from Anthropic's executive and product teams and participate in interactive labs and office hours.
Anthropic Partners with Allen Institute and HHMI to Deploy Claude in Frontier Life Sciences Research
Anthropic has announced flagship partnerships with the Allen Institute and Howard Hughes Medical Institute (HHMI) to embed Claude into active scientific workflows at both institutions. HHMI's collaboration, anchored at Janelia Research Campus, focuses on developing specialized AI agents integrated with scientific instruments and analysis pipelines. The Allen Institute partnership targets multi-agent systems for multi-modal biological data analysis, including multi-omic integration, knowledge graph management, and experimental design coordination. Both partnerships emphasize interpretability, researcher autonomy, and transparency, with the stated goal of compressing months of manual analysis while keeping human scientists in control of scientific direction.