Holy Sh*t... Google, Microsoft, Anthropic, and NVIDIA have all quietly opened free AI training in the last 90 days with real certificates you can put on LinkedIn.
By Q4 every one of these is getting a paywall. Right now they don't.
→ Anthropic Academy : 17 free courses covering Claude 101, the Claude API, MCP, Agent Skills, Subagents, and Claude Code. The "Building with the Claude API" course alone is 84 lessons and 8+ hours of video. Free certificate on every course.