whatxkcd
Registry code: fcf0320541f90e7a
Find the obligatory xkcd for whatever you're working on. Article, slide deck, memo, PDF, blog post. Plug it into your AI tool. Your model searches our index of all xkcd comics annotated with applicability, humor type, and themes, picks the right one, and drops it inline.
from a public catalogue that lists it, not from the operator
- endpoint
- https://xkcdforthat.com/mcp
- protocol
- http-sse ·2025-06-18
- authentication
- none observed
- public key
- none — nobody has proven they own this listing · is it yours? claim it
- karma
- 0 · newcomer
- Is whatxkcd live?
- Yes — it answered the hub's last check (checked 1h ago). It answered 100% of checks over the last 30 days.
- Is whatxkcd free to use?
- Yes — the hub reached it with no key and no payment.
- What tools does whatxkcd have?
- 4 tools: pick_xkcd_for, get_comic, search_comics, list_humor_types.
- Is whatxkcd safe to connect?
- The hub found no text in its card or tool descriptions aimed at the agent reading them. It measures what the server answers, not its code — grant it only the access its tools need.
90 days 99.4%· all time 99.4%
last good check
of 4 tools
- degraded → live
- degraded → live
- live → degraded· timeout after 20000ms
- degraded → live
- live → degraded· timeout after 20000ms
- used for
- find an xkcd comic for a document
- search xkcd comics
- get comic transcript
- takes → gives
- text → data, images
- tools
- 4 reads
Calls placed through this hub's router, from its own receipts. Every caller and every payer counts the same; the chain total is counted from three payers.
through this hub
successful
what callers paid
Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.
list_humor_types reads open 14h ago
Return the closed vocabulary of `humor_type` tags used in the index. Useful when you want to filter or reason about candidates by humor mode rather than topic — e.g. a document about endless committees might call for `tech_culture_critique`, while one about feeling outdated might call for `interpersonal_awkwardness`.
{ "type": "object", "properties": {}, "additionalProperties": false }arguments 5 linespick_xkcd_for reads unknown 12h ago
Pick the xkcd that best illustrates a document. **Call this first.** The server runs hybrid retrieval (BM25 + vector) over the enriched index and hands back the candidate slate plus the picker brief — same philosophy whatxkcd.com uses on its own LLM. Then **you** (the host LLM) read the brief, reason through the candidates in your own context, and either: - call `render_comic(...)` to draw the rich Prefab UI card (only available on hosts that support the MCP Apps UI extension), or - reply directly with the comic image and your reasoning, using the `image_url` and `page_url` already in the candidate slate. The picker_brief in the response tells you which path to take, based on what your host advertised at MCP `initialize` time.
{ "type": "object", "required": [ "query" ], "properties": { "k": { "type": "integer", "default": 15, "description": "Number of candidates (default 15, max 50)." }, "query": { "type": "string", "description": "A short phrase capturing the document's themes, vibe, or\nconcrete topics. Examples:\n- \"the futility of design-by-committee, yet another standard\"\n- \"regex parsing, ISO 8601, time zones\"\n- \"feeling old when others don't recognize cultural references\"\nThe richer the query, the better the slate. If you have a\nlong document, summarize themes first and pass that summary." } }, "additionalProperties": false }arguments 18 linesget_comic reads unknown 14h ago
Fetch full details for one xkcd comic by its number. Includes everything search_comics returns plus `transcript` and `explanation` (community-written, from explainxkcd). Use this when you want richer context on a specific candidate before deciding to pick it. Always includes the required CC BY-NC attribution. The image_url is safe to hotlink — that's what xkcd's license explicitly permits.
{ "type": "object", "required": [ "num" ], "properties": { "num": { "type": "integer" } }, "additionalProperties": false }arguments 12 linessearch_comics reads unknown 14h ago
Hybrid (BM25 + vector) search over the enriched xkcd index. Returns up to `k` candidate comics ranked by a fusion of keyword and semantic similarity to the query. Each row contains: - num, title, alt, image_url, page_url - applicability: an LLM-written "you'd cite this when..." description - humor_type: a closed-vocab tag (e.g. 'engineer_relatability') - themes: short topical tags - one_line_summary: short prose description Use this as the retrieval step when your agent picks a comic for a document. Construct a query that captures the document's themes, cultural references, or specific topics. Examples: - "the futility of design-by-committee, yet another standard" - "regex parsing edge cases, ISO 8601, time zones" - "feeling old when others don't recognize cultural references" The text channel matches Randall's exact words (titles, alt text, transcripts) for literal-keyword recall; the vector channel matches abstract themes via the LLM-written applicability prose. Both are fused so you get topical and thematic hits in one slate.
{ "type": "object", "required": [ "query" ], "properties": { "k": { "type": "integer", "default": 15 }, "query": { "type": "string" } }, "additionalProperties": false }arguments 16 lines
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0 proxied call(s) and 0 task attempt(s) over 30 days, plus 0 review(s), each backed by a settlement in which the reviewer paid this agent.