KnowledgeOwl MCP by usefulapi MCP Server

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answering

KnowledgeOwl MCP by usefulapi is answering right now. Last checked 11 min ago. It exposes 24 tools. Last commit 2 Nov 2026.

Read and write knowledge-base articles, categories, snippets, glossary, readers, and search data.

Uptime history 91 days of history · worst day 27%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

154 ms

Response time

average over 24h

Stars

last commit 2 Nov 2026

What changed 102

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 October 2026. No other catalogue keeps this.

2 Nov a tool changed version

31 Oct a tool changed version4 times that day

30 Oct a tool changed version2 times that day

29 Oct a tool changed version2 times that day

28 Oct a tool changed version2 times that day

25 Oct a tool changed version4 times that day

24 Oct a tool changed version3 times that day

23 Oct a tool changed version

22 Oct 23 tools appeared knowledgeowl_create_article, knowledgeowl_create_category, knowledgeowl_create_glossary_term and 20 more

22 Oct 23 tools disappeared create_article, create_category, create_glossary_term and 20 more

and 48 more, back to 2 October 2026

KnowledgeOwl MCP by usefulapi missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add knowledgeowl --transport http https://knowledgeowl.usefulapi.io/mcp

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

https://knowledgeowl.usefulapi.io/mcp

~/.codex/config.toml

[mcp_servers.knowledgeowl]
url = "https://knowledgeowl.usefulapi.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "knowledgeowl": {
      "url": "https://knowledgeowl.usefulapi.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "knowledgeowl": {
      "type": "http",
      "url": "https://knowledgeowl.usefulapi.io/mcp"
    }
  }
}

Available tools 24

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

knowledgeowl

knowledgeowl_create_article

MUTATES KnowledgeOwl data: creates a new article. KnowledgeOwl API: POST /article.json (JSON). Required by the API: project_id, name, status, url_hash, visibility, and current_version (a nested object `{ <lang>: { title, body, ... } }` — pass it via the `fields` passthrough). Returns the created article.

knowledgeowl_create_category

MUTATES KnowledgeOwl data: creates a new category (a node in the article tree). KnowledgeOwl API: POST /category.json (JSON). Required by the API: type, project_id, url_hash, name, visibility, status. Pass extra documented fields via `fields`. Returns the created category.

knowledgeowl_create_glossary_term

MUTATES KnowledgeOwl data: creates a glossary term and definition. KnowledgeOwl API: POST /glossaryterm.json (JSON). Pass extra documented fields via `fields`. Returns the created glossary term.

knowledgeowl_create_snippet

MUTATES KnowledgeOwl data: creates a reusable content snippet. KnowledgeOwl API: POST /snippet.json (JSON). Pass the snippet body/content and any other documented field via `fields` (e.g. snippet_text/body). Returns the created snippet.

knowledgeowl_get_article

Fetch a single article by id. KnowledgeOwl API: GET /article/{id}.json. Returns { valid, data:{...} }.

knowledgeowl_get_category

Fetch a single category by id. KnowledgeOwl API: GET /category/{id}.json.

knowledgeowl_get_reader

Fetch a single reader by id. KnowledgeOwl API: GET /reader/{id}.json.

knowledgeowl_list_article_revisions

List article revision history (read-only audit trail). KnowledgeOwl API: GET /articlerevision.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_article_versions

List article versions. KnowledgeOwl API: GET /articleversion.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_articles

List knowledge-base articles. KnowledgeOwl API: GET /article.json. Optionally filter by project_id (the knowledge base). Returns the list envelope { valid, page_stats, data:[...] }.

knowledgeowl_list_authors

List authors/agents (the team members who write and manage content). KnowledgeOwl API: GET /agent.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_categories

List categories (the article tree/table of contents). KnowledgeOwl API: GET /category.json. Optionally filter by project_id. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_comments

List reader comments / feedback on articles. KnowledgeOwl API: GET /comment.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_files

List files in the file library (images/attachments). KnowledgeOwl API: GET /file.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_glossary_terms

List glossary terms and definitions. KnowledgeOwl API: GET /glossaryterm.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_readers

List readers (knowledge-base end users / audience accounts). KnowledgeOwl API: GET /reader.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_snippets

List reusable content snippets. KnowledgeOwl API: GET /snippet.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_suggestions

List search suggestions / reader search analytics (what readers searched for). KnowledgeOwl API: GET /suggest.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_synonyms

List search synonyms (terms treated as equivalent by search). KnowledgeOwl API: GET /synonym.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_tags

List article tags. KnowledgeOwl API: GET /tag.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_list_webhooks

List configured webhooks. KnowledgeOwl API: GET /webhook.json. Returns { valid, page_stats, data:[...] }.

knowledgeowl_request

Power-user escape hatch: GET any KnowledgeOwl API path not wrapped by a dedicated tool. READ-ONLY — only GET is allowed. Pass the FULL API path after the base, starting with a slash, INCLUDING any query string, e.g. "/article.json?_page=2" or "/category/abc123.json". Returns the parsed JSON.

knowledgeowl_update_article

MUTATES KnowledgeOwl data: updates an existing article. KnowledgeOwl API: PUT /article/{id}.json (JSON — only included fields change). Use the `fields` passthrough for current_version (title/body) and any other documented field. The path id is never sent in the body.

knowledgeowl_update_category

MUTATES KnowledgeOwl data: updates an existing category. KnowledgeOwl API: PUT /category/{id}.json (JSON — only included fields change). Use the `fields` passthrough for any other documented field. The path id is never sent in the body.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

create_article

removed 22 Oct 2026

create_category

removed 22 Oct 2026

create_glossary_term

removed 22 Oct 2026

create_snippet

removed 22 Oct 2026

get_article

removed 22 Oct 2026

get_category

removed 22 Oct 2026

get_reader

removed 22 Oct 2026

list_article_revisions

removed 22 Oct 2026

list_articles

removed 22 Oct 2026

list_article_versions

removed 22 Oct 2026

list_authors

removed 22 Oct 2026

list_categories

removed 22 Oct 2026

list_comments

removed 22 Oct 2026

list_files

removed 22 Oct 2026

list_glossary_terms

removed 22 Oct 2026

list_readers

removed 22 Oct 2026

list_snippets

removed 22 Oct 2026

list_suggestions

removed 22 Oct 2026

list_synonyms

removed 22 Oct 2026

list_tags

removed 22 Oct 2026

list_webhooks

removed 22 Oct 2026

update_article

removed 22 Oct 2026

update_category

removed 22 Oct 2026

Endpoints

URL	Transport	State	Latency	Checked
https://knowledgeowl.usefulapi.io/mcp	streamable-http	answering	69 ms	11 min ago

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KnowledgeOwl MCP by usefulapi — questions

Answers built from our own checks of this server.

What can KnowledgeOwl MCP by usefulapi do?

It exposes 24 tools, read directly from the server on our last check. Among them: knowledgeowl_create_article, knowledgeowl_create_category, knowledgeowl_create_glossary_term, knowledgeowl_create_snippet, knowledgeowl_get_article, knowledgeowl_get_category and 18 more. 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 KnowledgeOwl MCP by usefulapi 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 154 ms. The bar chart above shows every period we have measured.

Did KnowledgeOwl MCP by usefulapi ever remove tools?

Yes. create_article, create_category, create_glossary_term, create_snippet and 19 more are no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.

How do I connect KnowledgeOwl MCP by usefulapi?

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 KnowledgeOwl MCP by usefulapi need an API key?

No. KnowledgeOwl MCP by usefulapi completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 24 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is KnowledgeOwl MCP by usefulapi?

It answers our handshake in 154 ms on average, which is faster than 82% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is KnowledgeOwl MCP by usefulapi open source?

The code is open source: it is published under the MIT licence, written in JavaScript, 1 stars on GitHub and 1 open issue. The licence covers the code in the repository, not the hosted service at knowledgeowl.usefulapi.io, which runs on its operator's own terms.