{"protocol":"mcp","protocolVersion":"2025-06-18","transport":"http-jsonrpc","endpoint":"https://audio.halowerk.com/mcp","server":{"name":"audiowerk","title":"HALOWERK audiowerk","version":"1.0.0"},"methods":["initialize","ping","tools/list","tools/call"],"tools":[{"name":"audio_voice_evidence","title":"Measures the markers of a recording that speak to how it was produced — spectral cut-off, room tone variation between pauses, loudness range, clipping, DC offset and container encoder tags — and states for each what it does and does not indicate.","price_usdc":0.006},{"name":"audio_speech_rate","title":"Measures the speaking rate of a recording in words per minute, separately for the whole running time and for speaking time with the pauses removed, and reports where within the recording the rate rises and falls.","price_usdc":0.008},{"name":"audio_duck","title":"Mixes a voice track over a music bed with sidechain ducking, so the music drops whenever the voice speaks, and measures on the finished mix how many decibels of ducking were actually achieved.","price_usdc":0.01},{"name":"audio_trim_silence","title":"Shortens every silent stretch above a chosen length down to a floor rather than deleting it, returns the trimmed file, and lists every cut with its position in the original so the result can be checked.","price_usdc":0.008},{"name":"audio_loudness_normalise","title":"Normalises a recording to a loudness target per EBU R128 using the two-pass loudnorm method, and reports measured loudness, true peak and loudness range before and after.","price_usdc":0.008},{"name":"audio_speech_duration","title":"Estimates how long a text takes to speak, from syllable count, punctuation pauses and a stated delivery rate, and shows every step of the arithmetic so the estimate can be adjusted rather than merely believed.","price_usdc":0.002},{"name":"audio_voice_spectrum","title":"Measures how the energy of a recording is distributed across six named speech-relevant frequency bands, estimates the fundamental of the voice, and reads the result against the two questions this measurement is usually made for.","price_usdc":0.006},{"name":"audio_convert","title":"Converts a recording between FLAC, WAV, MP3, Opus and AAC with control over sample rate, channels and bit depth, and states measurably whether the conversion preserved, lost or merely repackaged the material.","price_usdc":0.006},{"name":"audio_ad_slot_auction","title":"Runs sealed-bid second-price auctions for audio advertising slots: open a slot with a reserve, take sealed bids, close it and settle at the second-highest price, with bid amounts kept hidden until the close.","price_usdc":0.004}],"payment":{"protocol":"x402","network":"eip155:8453","asset":"USDC","note":"tools/list braucht keine Zahlung. tools/call rechnet den Werkzeugpreis über x402 ab."}}