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OndaCast MCP server

Which MCP servers are OndaCast's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-31

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Whose server it is
  • Registry namecom.ondacast/ondacastverified in the MCP registry

The registry name sits under ondacast.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-31
  • Stateanswerschecked 2026-10-31
  • Tools9
  • Server calls itselfondacast
  • Server versiond09f7f548933bfc347dd73a8c9395744073f59f1
  • Protocol version2025-06-18

On 2026-10-31 the server answered initialize and tools/list without a sign-in. First answer in 130 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.
  • Checked on 4 of the 7 days it takes to judge reliability.

Once connected

  • add_podcast change data without a sign-in: anyone with the address can call them.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 4, the first on 2026-10-31
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 4 so far
  • Answeredmeasuring4 of the 7 daily checks it takes to print a share
  • Median first answer153 ms
  • Space in an agent's context≈ 1,502 tokensthe definitions of all its tools (9), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results9 of 9 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • not sure · tune into live radio stations by city or genre
  • cannot · follow podcasts and see what other listeners hear
  • not sure · browse audiobooks alongside radio and podcasts

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

  • Tools that change data, on a server that answers without a sign-in: add_podcast

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers9 tools · read 2026-10-31
  • search_stations

    Search live radio stations in the OndaCast catalogue by name, with optional country, genre and language filters. Returns up to `limit` stations with an OndaCast page link for listening. Only stations that play in a web browser over a…

  • get_station

    Get one radio station from OndaCast by slug or OndaCast page address: description, location, genres, language, frequency, the song playing now and the show on air when known, and the OndaCast page for listening. Stations that cannot play…

  • search_podcasts

    Search podcasts in the OndaCast catalogue by title or topic, with an optional language filter. Returns up to `limit` shows with an OndaCast page link. When OndaCast has no match, it may list shows from a public podcast directory that are…

  • add_podcast

    Add a podcast from a public podcast directory to OndaCast, by the directoryId that search_podcasts returned in notOnOndaCastYet. This creates the show's OndaCast page and is the only tool that changes anything. It takes no web address…

  • get_podcast

    Get one podcast from OndaCast by slug or OndaCast page address: author, description, language, category, its latest episodes with OndaCast page links, and the show's OndaCast page.

  • search_audiobooks

    Search the public-domain audiobooks in the OndaCast catalogue by title or topic, with an optional language filter. Returns up to `limit` audiobooks with an OndaCast page link.

  • get_charts

    Get OndaCast's live song or artist chart, counted from what stations played, for the last 24 hours or 7 days, worldwide or for one country. Returns ranked entries with plays and OndaCast page links.

  • radio_guide_now

    List radio shows on air right now in OndaCast's radio guide, with their hosts, when they end in the show's own time zone, and the stations that carry them, each with an OndaCast page link. Optional country and genre filters.

  • catalog_facts

    Get verifiable facts about OndaCast: what it offers and how large the catalogue is, as figures rounded down and refreshed weekly, with links to its main pages.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "ondacast": {
      "type": "http",
      "url": "https://ondacast.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http ondacast https://ondacast.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://ondacast.com/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.