Polyblog Multilingual Blog

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Write, translate and publish blog articles, plan topic ideas and check each blog's languages.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "Polyblog Multilingual Blog": {
      "url": "https://mcp.polyblog.io/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (19)

• search_articles read-only

  Use this when someone asks to see their blog posts, drafts or published articles, optionally for one blog, language or slug. Returns id, title, language, slug and published state, most recently edited first, 25 per page by default with a cursor. It filters by those fields and does not search the text. Not for reading a post.

  Parameters:

  • slug — string — Only the post with this exact slug
  • limit — integer — Posts per page, from 1 to 100; defaults to 25
  • blogId — string — Only posts in this blog
  • cursor — string — The nextCursor of the previous page with the same filters; absent for the first page
  • locale — string — Only posts in this language, an ISO 639-1 code such as en or it
  • published — string — "true" for published posts only, "false" for drafts only; omit for both

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_article read-only

  Use this when someone wants to read, check or quote one blog post. Returns its title, summary, language, slug, blog, author, published state, dates and up to 8,000 characters of content, looked up by id or by slug plus language. Not for a visual preview card.

  Parameters:

  • idOrSlug (required) — string — Article id, or its slug together with locale
  • locale — string — Language of the post, an ISO 639-1 code such as en; needed when looking up by slug

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• list_article_translations read-only

  Use this when someone asks which languages a blog post exists in, or which translations are still missing. Returns each language version sharing the original article id, up to 100, with title, slug, published state and how it was translated; with blogId it also lists the blog's missing languages. Not for a whole blog's coverage.

  Parameters:

  • originalArticleId (required) — string — Id of the original article that every translation shares, as reported on each of its versions
  • blogId — string — Blog id; when given, the result also lists the blog languages that still lack this post

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_article destructive

  Use this when someone gives you a finished blog post, or a translation of one, to save in their blog. Returns the new post's id, title, slug, language and published state; it stays a draft unless published is true. A translation is saved with the original's id as originalArticleId and its own locale. Not for writing a post with AI.

  Parameters:

  • blogId (required) — string — Blog to add the post to
  • title (required) — string — Post title, 1 to 300 characters
  • content (required) — string — Post body in the chosen format, Markdown or HTML, up to 100,000 characters
  • slug — string — URL slug such as my-first-post, up to 300 characters
  • author — string — Author name shown on the post, up to 200 characters
  • format — string — markdown or html; content is treated as HTML when omitted
  • locale — string — Post language, an ISO 639-1 code such as en or it; required with originalArticleId
  • published — boolean — true publishes the post on the blog; false or omitted keeps it a draft
  • categories — array — Up to 50 category names, each up to 100 characters
  • description — string — Short summary shown in listings and search results, up to 1,000 characters
  • originalArticleId — string — Makes this article the `locale` version in an existing article's translation group. It is the original article's id, never a sibling translation's id; absent means a new original.

  Hints: read-only no · destructive yes · idempotent no · open-world yes

• update_article destructive

  Use this when someone asks to change a blog post's title, text, summary, slug, author or categories, or to publish or unpublish it. Returns the updated post; only the fields passed change, and each edit notifies the blog's webhooks. Not for adding a translation.

  Parameters:

  • id (required) — string — Id of the post to change
  • slug — string — New URL slug, up to 300 characters; changes the post's URL
  • title — string — New title, up to 300 characters
  • author — string — New author name, up to 200 characters
  • format — string — markdown or html, describing how content is written
  • content — string — New body in the post's format, up to 100,000 characters; replaces the whole body
  • published — boolean — true publishes the post, false turns it back into a draft
  • categories — array — Complete new list of up to 50 categories; replaces the old list
  • description — string — New summary, up to 1,000 characters

  Hints: read-only no · destructive yes · idempotent no · open-world yes

• delete_article destructive

  Use this when someone asks to permanently delete a blog post in every language. Given the original post's id, that post and all its translations are deleted and their pages go offline; given a translation's own id, nothing is deleted although the result still says deleted. Returns the id. Not for unpublishing.

  Parameters:

  • id (required) — string — Id of the original post (its originalArticleId); every language version of it is deleted

  Hints: read-only no · destructive yes · idempotent yes · open-world yes

• generate_article destructive

  Use this when someone asks you to write a new blog post on a topic or saved topic idea. Returns the draft's id, URL, title, word count and internal links (text only; published only with autoPublish). It uses paid AI and can take about a minute, and a call that times out can still save the draft. Not for saving your own text.

  Parameters:

  • blogId (required) — string — Blog to write for
  • topic — object — Title and optional angle to write about; omit when topicIdeaId is given
  • locale — string — Language of the post, an ISO 639-1 code; defaults to the blog's default locale
  • persist — boolean — false returns a preview without saving anything; defaults to true
  • autoPublish — boolean — true publishes the post immediately; defaults to false, a draft
  • topicIdeaId — string — Saved topic idea to write about; omit when topic is given
  • sitemapMaxUrls — integer — How many sitemap URLs to offer as internal links, from 1 to 500; defaults to 150

  Hints: read-only no · destructive yes · idempotent no · open-world yes

• list_blogs read-only

  Use this when someone asks which blogs they have in Polyblog, or a blog's id is needed. Returns each blog's id, name and custom domain, 25 per page by default with a cursor. Not for a blog's posts.

  Parameters:

  • limit — integer — Blogs per page, from 1 to 100; defaults to 25
  • cursor — string — The nextCursor of the previous page; absent for the first page

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_blog read-only

  Use this when someone asks about one blog's setup, such as its domain, default language or languages. Returns the blog's id, name, custom domain, default locale, locales, cover image URL and dates, by id or name. Not for a visual overview with recent posts.

  Parameters:

  • idOrName (required) — string — Blog id, or the blog's name

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• get_blog_localization_summary read-only

  Use this when someone asks how well their blog is translated, or which languages are missing posts. Returns per-language counts of posts, published posts and drafts with a coverage percentage, from the 100 most recently edited posts. Not for one post's translations.

  Parameters:

  • blogId (required) — string — Blog id, or the blog's name

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• create_blog destructive

  Use this when someone asks to start a new blog in Polyblog with a given name and languages. Returns the new blog's id, name, domain and languages; the name becomes the public <name>.polyblog.io subdomain, so a name already taken fails. Not for adding a post to an existing blog.

  Parameters:

  • name (required) — string — Blog name, which becomes the public <name>.polyblog.io subdomain and has to be globally unique
  • locales — array — Every language the blog publishes in, ISO 639-1 codes such as en and it
  • description — string — Short description of what the blog is about, up to 600 characters
  • defaultLocale — string — Main language, an ISO 639-1 code such as en
  • articlesFormat — string — Format for the blog's posts: markdown or html

  Hints: read-only no · destructive yes · idempotent no · open-world yes

• get_sitemap_urls read-only

  Use this when someone asks what pages their blog's sitemap lists, or which pages are available to link to. Returns the sitemap's URL count and the first 25 URLs with language and last-modified date, read live from the blog's custom domain. Not for the posts stored in Polyblog.

  Parameters:

  • blogId (required) — string — Blog whose sitemap to read
  • locale — string — Only URLs in this language, a two-letter code such as en
  • maxUrls — integer — How many sitemap URLs to read and count, from 1 to 2,000; defaults to 500, and only the first 25 are listed

  Hints: read-only yes · destructive no · idempotent yes · open-world yes

• refresh_topic_ideas destructive

  Use this when someone asks for new blog topic ideas from Reddit or RSS feeds. Returns counts and up to 5 of the saved ideas; it fetches the sources, scores candidates with paid AI and saves those that pass. Not for ideas already saved.

  Parameters:

  • blogId (required) — string — Blog to find ideas for
  • sources — object — Subreddits and RSS feeds for this run only; the blog's saved sources when absent
  • audience — string — Who the blog writes for; defaults to the blog's context
  • minScore — integer — Lowest AI score, 0 to 10, an idea needs to be saved; defaults to 5
  • sinceHours — integer — How far back to read, in hours, from 1 to 8,760; defaults to 168 (7 days)
  • perSourceCap — integer — Most candidates to score from each source, from 1 to 100; no cap by default
  • limitPerSource — integer — Items to read from each source, from 1 to 100; defaults to 25

  Hints: read-only no · destructive yes · idempotent no · open-world yes

• list_topic_ideas read-only

  Use this when someone asks what they could write about next from topic ideas already saved. Returns each idea's id, score out of 10, title, status and source, filtered by status or minimum score, 25 per page by default. Not for fetching new ideas.

  Parameters:

  • blogId (required) — string — Blog whose ideas to list
  • limit — integer — Ideas per page, from 1 to 100; defaults to 25
  • cursor — string — The nextCursor of the previous page with the same filters; absent for the first page
  • status — string — Only ideas with this status: new, used or dismissed; omit for all
  • minScore — integer — Only ideas with at least this AI score, 0 to 10

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• set_topic_idea_status destructive

  Use this when someone asks to mark a topic idea as used, dismiss it, or bring it back as new. Returns the idea with its new status and, when given, the article it produced; nothing else about the idea changes. Not for editing an idea's title or angle.

  Parameters:

  • topicIdeaId (required) — string — Topic idea id
  • status (required) — string — New status: new, used or dismissed
  • usedForArticleId — string — Id of the article written from this idea; only with status used

  Hints: read-only no · destructive yes · idempotent yes · open-world no

• set_topic_sources destructive

  Use this when someone asks to choose which subreddits or RSS feeds their blog's topic research reads. Returns the saved sources; each list passed replaces the old one, and clear removes them all. Not for fetching ideas now.

  Parameters:

  • blogId (required) — string — Blog id, or the blog's name
  • rss — array — Complete new list of up to 20 HTTPS RSS or Atom feed URLs; replaces the old list
  • clear — boolean — true removes every saved source
  • reddit — array — Complete new list of up to 20 subreddit names, without /r/; replaces the old list

  Hints: read-only no · destructive yes · idempotent yes · open-world no

• show_blog_overview read-only

  Use this when someone wants a quick overview of one of their blogs. Returns an overview card with the blog's domain, languages and up to 10 most recently edited posts. Not for translation coverage.

  Parameters:

  • blogId (required) — string — Polyblog blog id to render, at most 200 characters

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• open_polyblog read-only

  Use this when someone wants to open their PolyBlog library and browse blogs and articles in an interactive workspace. Starts with up to 25 blogs; the view supports pagination and reading articles. Not for creating or publishing content.

  Hints: read-only yes · destructive no · idempotent yes · open-world no

• show_article_preview read-only

  Use this when someone wants to see how one blog post looks, with its status and details. Returns a preview card with the post's title, language, published state, metadata and up to 6,000 characters of content. Not for finding posts.

  Parameters:

  • articleId (required) — string — Polyblog article id to preview, at most 200 characters

  Hints: read-only yes · destructive no · idempotent yes · open-world no

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