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bibooks MCP server

Which MCP servers are bibooks'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 2026-10-29

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Whose server it is
  • Registry nameorg.bibooks/bibooksverified in the MCP registry

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

When we asked itchecked 2026-10-29
  • Stateanswerschecked 2026-10-29
  • Tools5
  • Server calls itselfbibooks
  • Server version1.1.0
  • Protocol version2025-06-18

On 2026-10-29 the server answered initialize and tools/list without a sign-in. First answer in 28 ms.

Should an agent connect itSkip it
  • Its tools do none of the product's use cases we checked: Turn your own text or ebook into a bilingual audiobook; Generate original stories at your chosen language level.
  • Checked on 6 of the 7 days it takes to judge reliability.

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: 6, the first on 2026-10-29
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 6 so far
  • What an agent can do with it0 of 2 use cases
  • Answeredmeasuring6 of the 7 daily checks it takes to print a share
  • Median first answer39 ms
  • Space in an agent's context≈ 1,402 tokensthe definitions of all its tools (5), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results5 of 5 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • cannot · Turn your own text or ebook into a bilingual audiobook
  • cannot · Generate original stories at your chosen language level
  • not sure · Listen to shared bilingual audiobooks with read-along text

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

None of the five warning signs in these definitions.

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 offers5 tools · read 2026-10-29
  • search_books

    Search the public library of bilingual audiobooks. All filters are optional; values within one filter are OR'd, different filters are AND'd. With no arguments, lists every public book, easiest first. Returns one page of books (see…

  • get_book

    Get one public audiobook by id: title, author, languages, CEFR level, audience, length, and links to its reader page, audio and share image.

  • read_book

    Read a public audiobook's bilingual text: its sentence pairs (each original sentence with its translation, plus a Latin-script romanization for languages that have one), in reading order. Returns at most `limit` pairs starting at…

  • find_related_books

    Find other public audiobooks in the same target language as a given book: the books its reader page recommends. Optionally narrow them to a learner's CEFR level (or the nearest level that has books).

  • list_languages

    List every content language books are written in or translated into: its code (used by the other tools), English and native names, and how many public books are translated into it. Optionally render the names in a display locale (e.g…

How to connect

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

{
  "mcpServers": {
    "bibooks": {
      "type": "http",
      "url": "https://bibooks.org/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http bibooks https://bibooks.org/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://bibooks.org/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.