Delta Signal

Ingested from the official MCP Registry

FastDrop pulled this entry from the official MCP Registry as org.daxfoundation.signal/delta-signal and probed the endpoint. The maker did not submit it, so the outbound link is not endorsed and the description is not theirs.

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Tools this endpoint exposes

Read directly from the endpoint on 28 Oct 2026. Not supplied by the maker.

• describe_engine

  Free. Describe Delta Signal: layers, stings, defaults, limits and prices.

• preview_card

  Free. Render the SSTV signature card image for a message (PNG) so you can see what the picture sting will carry.

• render_signature

  Render a Delta Signal audio signature (WAV, 48 kHz) that hides your message: in the heartbeat rhythm, as text in the spectrogram, as an inaudible watermark, and optionally as an SSTV picture, a ggwave

• decode_audio

  Decode every Delta Signal layer from a WAV or MP3 file at an https URL: heartbeat cipher, spectral glyph, prime count, watermark (needs the seed used to render), ggwave, modem text and SSTV pictures (

• verify_signature

  Verify a Delta Signal audio signature at an https WAV URL: returns which hidden layers are present (found_layers) and whether the audio matches an expected message (matches: true/false, or null if no