mcp_server_upgrade — 2026-03-17
Summary
Upgraded HuggingFace MCP server from v3.0.0 (18-category, 207 tools, FastMCP 2.x) to v4.0.0 (7-provider mount, 174 tools, FastMCP 3.0, Bible v18.1). Built complete skill with 174-tool catalog. Fixed microcheck 403, cleaned 11 obsolete env vars, cascade-updated MEMORY.md + containers.md + ~/.claude.json.