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Wubble
ai.wubble/audio in the official MCP registry.
Endpoint https://mcp.wubble.ai/mcp.
The registry describes it as: Create, inspect, and manage Wubble music, speech, voice, and sound-effect requests through MCP.
We read its 33 tools on 2026-10-22. Nothing in them matched our tool-poisoning rules.
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
wubble_get_started wubble_get_credits wubble_get_usage wubble_get_request_status wubble_wait_for_request wubble_list_voices wubble_get_speech_status wubble_get_dubbing_transcript wubble_upload_audio wubble_upload_vocal wubble_generate_song wubble_create_song_and_wait wubble_generate_instrumental wubble_create_instrumental_and_wait wubble_generate_lyrics wubble_extend_lyrics wubble_extend_song wubble_analyze_lyrics wubble_describe_audio wubble_separate_stems wubble_remix_song wubble_generate_track wubble_edit_track wubble_create_podcast wubble_text_to_speech wubble_create_voiceover_and_wait wubble_speech_to_text wubble_isolate_voice wubble_text_to_dialog wubble_change_voice wubble_dub_audio wubble_generate_sound_effect wubble_create_sound_effect_and_wait
Run this server? Show the check in your README
The badge reflects the latest weekly read: 
[](https://lazaretto.dev/mcp-registry/ai-wubble-audio)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.