##skills 03
- sk mcp-builder: your tool descriptions are now the docs
Anthropic's own four-phase guide to building an MCP server — research, implement, review, then generate ten evaluations that test whether a model can actually use it.
- sk skill-creator: package what you know as something installable
Scaffolds and validates an Agent Skill — the packaging format that puts your conventions, gotchas and idiomatic examples inside the agent your users already work in.
- sk llms-txt-checker: can the answer engines read you at all
Probes robots.txt, llms.txt and llms-full.txt, scores AI-readiness against a structured checklist, and needs no API key.
##the newsroom 01
- 07-26 A checkpoint before the tool call: 'agent-safe by design' is becoming a category
In two weeks at least five teams shipped the same primitive — a policy gate between an AI agent and an irreversible action — and independent research is now naming it. The category is forming; the positioning window is open.