xint-mcp-defaults-to-read-only-must-pass-engagement-policy

xint MCP server registration defaults to read_only policy, which blocks all write/engagement commands (like, bookmark, follow, engage, analytics). Must explicitly pass --policy engagement on registration: claude mcp add -s project xint -- /usr/local/bin/xint mcp --policy engagement. Re-register every session since xint is session-based MCP.