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Delta Signal

MCP server · hosted · v0.1.0 · org.daxfoundation.signal/delta-signal
Online · tested 2h agoNEW · 3h agoSeen in the registry 2h ago

Audio steganography & watermarking. Encode/decode hidden messages that survive YouTube re-encoding.

Website ↗How to connect ↓

What it does

Delta Signal is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.

From the publisher's description, Electra Index matched it to one capability: social media management. That makes it a candidate for tasks such as manage social media accounts or monitor brand mentions.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)YES
Local installNO
Version0.1.0
PriceNot in the registry
First seen28 Oct 2026
Last checked2h ago

How to connect

As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)

Hosted endpoint

  • https://signal.daxfoundation.org/mcp streamable-http

In Claude Code: claude mcp add --transport http delta-signal https://signal.daxfoundation.org/mcp

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "delta-signal": {
      "url": "https://signal.daxfoundation.org/mcp"
    }
  }
}

Live check

Electra Index connected to the hosted endpoint 2h ago

ONLINE Delta Signal answered an MCP connection on 28 Oct 2026 and introduced itself as delta-signal 0.1.0 (MCP protocol 2025-06-18).

5 tools offered to AI assistants

  • 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 data chirp or modem tones. Returns a do
  • 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 (returned as PNG).
  • 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 expected_message given). Cheaper than fu

What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method

Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.

Tasks it helps with

Share of each task's required capabilities it covers
Manage social media accounts
Social Media Management
33%
Monitor brand mentions
Social Media Management
33%

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Listed for the same task: manage social media accounts
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Ready-made AI agents

An MCP server is a connector you add to your own assistant. These are finished products that do the same job for you:
All AI agents to manage social media accounts, ranked →

Facts & evidence

Each fact shows where it was seen and when.
FactValueEvidenceSourceLast confirmed
Hosted endpointhttps://signal.daxfoundation.org/mcpDECLAREDSRC-001 Official MCP Registry2h ago
Local install (package)noDECLAREDSRC-001 Official MCP Registry2h ago
Remote access (hosted)yesDECLAREDSRC-001 Official MCP Registry2h ago
Websitehttps://signal.daxfoundation.orgDECLAREDSRC-001 Official MCP Registry2h ago
Registry statusactiveDECLAREDSRC-001 Official MCP Registry2h ago
Version0.1.0DECLAREDSRC-001 Official MCP Registry2h ago
MCP serveryesDECLAREDSRC-001 Official MCP Registry2h ago

Change history

  • NEW28 Oct 2026
    first seen in the index

Is this page accurate?

Flag it and our robot re-checks the official source. Reports never change a score.

Do you run Delta Signal? Know when it stops answering

For publishers · optional

Its hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.

Monitor Delta SignalLaunch offer $39.99 once, for life instead of $9.99/month · All plans

Monitoring never changes a score or a rank.

Are you the publisher of Delta Signal?

Free · show your listing

An independent listing builds trust with your buyers. Announce it, and add the badge to your website or README.

Announce it on LinkedInListed on Electra Index
<a href="https://electraindex.com/mcp/delta-signal?utm_source=badge&utm_medium=share&utm_campaign=listing"><img src="https://electraindex.com/api/badge/delta-signal" alt="Listed on Electra Index"></a>

Questions about Delta Signal

How do I connect Delta Signal?

Use the hosted endpoint https://signal.daxfoundation.org/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.

What tools does Delta Signal offer?

When Electra Index connected on 28 Oct 2026, it listed 5 tools: describe_engine, preview_card, render_signature, decode_audio, verify_signature. The full list is in "Live check" above.

Is Delta Signal online?

Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.

What can I use Delta Signal for?

Based on its description, it is most relevant to: manage social media accounts, monitor brand mentions.