listen-synth.netlify.app
A Web Audio synthesizer your AI agent can actually listen to — analyze its own output in real time, then shape the sound with you, in natural language. Accessible sound design for everyone.
First seen 2026-11-05 · Last seen 2026-11-05 · Source: webmcp.com
Answer 5 · Act 15 · Transact 0 · Score: Not yet scored
Tool inspector
play_note
Play a single note. Accepts a MIDI number (60 = middle C) or a note name like 'C4', 'A2', 'F#3'. Hold it long enough to analyze the sound.
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
note |
number,string | yes | MIDI number (e.g. 60) or name (e.g. 'C4'). |
durationMs |
integer | no | How long to hold, ms (default 900). Longer is better for analysis. |
Raw JSON schema
{
"type": "object",
"properties": {
"note": {
"type": [
"number",
"string"
],
"description": "MIDI number (e.g. 60) or name (e.g. 'C4')."
},
"durationMs": {
"type": "integer",
"description": "How long to hold, ms (default 900). Longer is better for analysis."
}
},
"required": [
"note"
]
}
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