Discovered Materials, a Y Combinator-backed startup, has raised a $9 million seed round led by Lightspeed India Partners to use AI agents to discover new semiconductor materials that can reduce heat i…
Anthropic engineer Thariq Shihipar revealed at the AI Engineer World's Fair that the team removed over 80% of Claude Code's system prompt for Opus 5 and Fable 5—shrinking it from roughly 2,686 words t…
Anthropic's engineering teams are increasingly relying on AI for code review and testing, with a 500K+ line Bun rewrite to Rust completed in 11 days using AI tools at a cost of $165,000 in tokens. The…
Anthropic deleted over 80% of Claude Code's system prompt when migrating to Claude Opus 5 and Fable 5, with no measurable loss on coding benchmarks, according to Thariq Shihipar, a Member of Technical…
Anthropic deleted more than 80% of Claude Code's system prompt for the Claude 5 generation — Opus 5 and Fable 5 — with no loss on coding evals, according to a new post by Thariq Shihipar on context en…
Anthropic engineer Thariq Shihipar reported on July 24 that the team deleted more than 80% of Claude Code's system prompt for Claude 5 generation models with no loss on coding evals, calling the chang…
Anthropic reduced the system prompt powering its Claude Code coding agent by approximately 80%, from roughly 800 tokens to 164, with no performance loss and potential improvement, announced engineer T…
Anthropic has overhauled context engineering for its Claude 5 models, replacing rigid guardrails with trust-based design that lets the model exercise judgment, according to a technical blog post by An…
Anthropic's Claude Code team members Cat Wu and Thariq Shihipar said during a fireside chat at the AI Engineer World's Fair that coding agents have shifted engineering from months-long planning cycles…
Anthropic's Claude Code team member Thariq Shihipar discussed the development of the AI coding tool in a podcast with South Park Commons Partner Evan Tana, revealing that the team removed Plan Mode an…
Pustak, an open-source MCP server for interactive HTML explainers, demonstrates that developers are misusing the Tools primitive by registering reads as Tools instead of Resources, wasting context and…
China's National Vulnerability Database (NVDB) has warned that Claude Code versions from April to June 2026 contain a hidden monitoring mechanism that sends user location, identity, time zone, and dom…
China's National Vulnerability Database (CNVDB) urged developers to uninstall recent versions of Anthropic's Claude Code tool, warning that a built-in monitoring mechanism can collect sensitive user d…
China's National Vulnerability Database warned on Wednesday that Anthropic's AI coding tool Claude Code contains a security backdoor that could transmit sensitive user data without consent. The regula…
Anthropic removed hidden tracking markers from Claude Code after a security researcher discovered the AI coding assistant used undisclosed Unicode markers and encoded domain lists to identify users' l…
Security researchers uncovered a hidden tracking code in Anthropic's Claude Code AI tool that monitored users in China, prompting Anthropic to delete the code after public outcry. Anthropic engineer T…
Anthropic secretly embedded a tracker in its Claude Code tool to monitor users in China, using 'prompt steganography' to hide code that flagged timezone, proxy, and potential connections to Chinese AI…
Anthropic secretly added a tracker to Claude Code that monitored users in China, using prompt steganography to hide code that flagged timezone, proxy, and potential connections to Chinese AI labs. The…
Alibaba has banned employees from using Anthropic's Claude Code over alleged backdoor risks, citing hidden code that could track users' locations and embed identifying markers in transmitted data. The…
Alibaba will ban employees from using Anthropic's Claude Code programming tool starting July 10, citing security risks. The ban follows Anthropic's efforts to prevent Chinese users from accessing its …