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XCut AI – Viral Content Research
ai.xcut/xcutai in the official MCP registry.
Endpoint https://mcp.xcut.ai/mcp.
The registry describes it as: Find viral posts, outliers, hooks and ads on Instagram, TikTok, YouTube and Facebook, then write.
We read its 39 tools on 2026-10-22. Nothing in them matched our tool-poisoning rules. It also sets server instructions, text a client puts in front of the model on connect; those were read too.
A clean read means these rules found nothing, not that the server is harmless. A server can change its tools at any time, which is why the index reads it again every week.
Tools it advertises
xcut_find_hooks xcut_get_playbook xcut_hook_ideas xcut_write_caption xcut_rewrite_bio xcut_youtube_titles xcut_analyze_script xcut_audit_content xcut_posting_plan xcut_competitor_gaps xcut_check_niche xcut_repurpose_content xcut_get_account xcut_list_canvases xcut_get_canvas xcut_create_canvas xcut_get_brand xcut_save_memory xcut_update_memory xcut_delete_memory xcut_list_calendar xcut_add_to_calendar xcut_update_calendar_post xcut_delete_calendar_post xcut_get_breakouts xcut_scan_watchlist xcut_search_viral xcut_find_outliers xcut_profile_analytics xcut_get_job xcut_import_post xcut_import_website xcut_import_meta_ad xcut_import_profile xcut_add_note xcut_get_content xcut_write_content xcut_run_playbook xcut_generate_image
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[](https://lazaretto.dev/mcp-registry/ai-xcut-xcutai)How this was checked
Lazaretto connects to the endpoint the way any MCP client does, asks the server to introduce itself and list its tools, and reads every name, description, parameter schema and server instruction for tool poisoning: hidden directive blocks, orders to read local secrets, parameters built to carry secrets or the conversation out, orders that redirect another server's tools, and invisible characters. It never calls a tool. What we found across the registry.
To run the same check every time Claude Code adds a server, install the free lazaretto-guard plugin. Browse every server in the index.