SSTV Decoder MCP Server

by bonissystems Your server? Claim it

answering

SSTV Decoder is answering right now. Last checked 9 min ago. It exposes 2 tools.

Decode an SSTV audio recording and anchor its fingerprint and image hash to the Knox event chain.

Uptime history 91 days of history · worst day 92%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

316 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 1

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 16 September 2026. No other catalogue keeps this.

16 Sep a tool description was rewritten decode_sstv

Nothing serious here today

Today is the operative word: we check SSTV Decoder every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add sstv-decoder --transport http https://bonissystems.com/api/knox/agents/sstv-decoder/mcp

Settings → Connectors → Add custom connector, then paste this address

https://bonissystems.com/api/knox/agents/sstv-decoder/mcp

~/.codex/config.toml

[mcp_servers.sstv-decoder]
url = "https://bonissystems.com/api/knox/agents/sstv-decoder/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "sstv-decoder": {
      "url": "https://bonissystems.com/api/knox/agents/sstv-decoder/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "sstv-decoder": {
      "type": "http",
      "url": "https://bonissystems.com/api/knox/agents/sstv-decoder/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

decode

decode_sstv

Demodulate a presented slow-scan-television (SSTV) audio recording, anchor the audio fingerprint and the decoded image hash to the Knox event chain, and return a receipt bundle (Knox anchor + C2PA-aligned envelope + FRE 902(13)/(14)-shape affidavit). Audio bytes are NOT retained — only the SHA-256 fingerprint and the decoded image are anchored. Bonis Systems does not capture audio on its own; the audio must be presented by the caller (a public WebSDR recording, a customer-controlled SDR capture they consent to submit, or audio they own). Phase 1 supports Martin M1 (VIS code 0x2C, 320×256 RGB). Other VIS codes return mode = 'unsupported' with detected hex. Requires a Knox Bearer API key on the Authorization header — unauthenticated calls are rejected.

verify

verify_sstv_decode

Verify a previously anchored SSTV-decode record. Given a SHA-256 anchor hash (the payload_hash from a prior decode_sstv call), return the anchor record, predecessor hash, sequence number, and timestamp. Public — no authentication required. The verification path itself is also accessible at GET /api/knox/verify?hash=<hash>.

Endpoints

URL	Transport	State	Latency	Checked
https://bonissystems.com/api/knox/agents/sstv-decoder/mcp	streamable-http	answering	263 ms	9 min ago

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SSTV Decoder — questions

Answers built from our own checks of this server.

What can SSTV Decoder do?

It exposes 2 tools, read directly from the server on our last check. Among them: decode_sstv, verify_sstv_decode. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is SSTV Decoder working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 316 ms. The bar chart above shows every period we have measured.

How do I connect SSTV Decoder?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does SSTV Decoder need an API key?

No. SSTV Decoder completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is SSTV Decoder?

It answers our handshake in 316 ms on average, which is faster than 45% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.