Append-only ledger

URLpipe

Every change Wellknown observed on this MCP server, newest first, with what it was before and what it became. Tool-surface changes carry the definition diff. Nothing here is edited after the fact.

6 events · 1 tool-surface changeJSON

Tool surface changed

2026-09-30 17:30 UTC · 9 d ago

Changed the definition of "extract_metadata", "get_request", "get_result" and 2 more

extract_metadatachanged

description

Exposes POST /meta. ReconcilesReads everything a page declares about itself —
Open Graph, Twitter cardcards, meta tags, JSON-LD, microdata and standardlinks page
metadata— into 
one clean object with the same keys on every page: title, description, languagesite
name, mainkind imageof page,
favicon language, authorauthors, publication date and feed.update Valuesdates, injectedshare
image byand JavaScript
arevideo, includedfavicon and icons, becauselogo, thefeeds, pagekeywords, iscanonical renderedURL,
robots first.directives, 5hreflang credits.

Thisalternates, isoEmbed theendpoint page'sand metadatastructured-data
types, notplus athe dumpraw ofog: itsand metatwitter: tags. If youA only
needvalue the title,page itdoes not
declare is alsonull inor thean Markdownempty —list. andValues thatinjected costsby JavaScript are
included, because the page is rendered first. 1 credit.

148 words differ · ~~removed~~ · added

outputSchema

{"$schema":"https://json-schema.org/draft/2020-12/schema","anyOf":[{"additionalProperties":false,"properties":{"additional_author_informationalternates":{"items":{"additionalProperties":false,"properties":{"hreflang":{"type":"string"},"url":{"type":"string"}},"required":["hreflang","url"],"type":"object"},"type":"array"},"authors":{"items":{"additionalProperties":false,"properties":{"name":{"type":"string"},"profiles":{"items":{"type":"string"},"type":"array"},"url":{"type":["string","null"]}},"author_namerequired":["name","url","profiles"],"type":"object"},"type":"array"},"canonical_url":{"description":"The page's canonical URL, absolute.","type":["string","null"]},"description ⟨4 unchanged words⟩ "type":["string","null"]},"feed_urlfeeds":{"items":{"additionalProperties":false,"properties":{"title":{"type":["string","null"]},"type":{"type":["string","null"]},"url":{"type":"string"}},"required":["url","type","title"],"type":"object"},"type":"array"},"final_url":{"description":"The address the page ended on, after its redirects.","type":["string","null"]},"generator":{"type":["string","null"]},"icons":{"items":{"additionalProperties":false,"properties":{"rel":{"type":"string"},"sizes":{"type":["string","null"]},"type":{"type":["string","null"]},"url":{"type":"string"}},"required":["url","rel","sizes","type"],"type":"object"},"type":"array"},"image":{"additionalProperties":false,"properties":{"alt":{"type":["string","null"]},"height":{"type":["integer","null"]},"type":{"type":["string","null"]},"url":{"type":"string"},"width":{"type":["integer","null"]}},"required":["url","width","height","alt","type"],"type":["object","null"]},"keywords":{"items":{"type":"string"},"type":"array"},"

get_requestchanged

outputSchema

 ⟨14 unchanged words⟩ ,"duration_ms":{"type":"integer"},"final_url":{"description":"Where the page ended up after its redirects.","type":"string"},"finished_at":{"type":"string"},"labels" ⟨15 unchanged words⟩ headers would say: cache, cost, quota, result_url.result_url, final_url.","type":"object"},"operation":{ ⟨11 unchanged words⟩ "integer"},"duration_ms":{"type":"integer"},"final_url":{"description":"Where the page ended up after its redirects.","type":"string"},"finished_at":{"type":"string"} ⟨82 unchanged words⟩

62 words differ · ~~removed~~ · added

get_resultchanged

outputSchema

 ⟨110 unchanged words⟩ "mime_type"],"type":"object"},{"additionalProperties":false,"properties":{"additional_author_informationalternates":{"items":{"additionalProperties":false,"properties":{"hreflang":{"type":"string"},"url":{"type":"string"}},"required":["hreflang","url"],"type":"object"},"type":"array"},"authors":{"items":{"additionalProperties":false,"properties":{"name":{"type":"string"},"profiles":{"items":{"type":"string"},"type":"array"},"url":{"type":["string","null"]}},"author_namerequired":["name","url","profiles"],"type":"object"},"type":"array"},"canonical_url":{"description":"The page's canonical URL, absolute.","type":["string","null"]},"description ⟨4 unchanged words⟩ "type":["string","null"]},"feed_urlfeeds":{"items":{"additionalProperties":false,"properties":{"title":{"type":["string","null"]},"type":{"type":["string","null"]},"url":{"type":"string"}},"required":["url","type","title"],"type":"object"},"type":"array"},"final_url":{"description":"The address the page ended on, after its redirects.","type":["string","null"]},"generator":{"type":["string","null"]},"icons":{"items":{"additionalProperties":false,"properties":{"rel":{"type":"string"},"sizes":{"type":["string","null"]},"type":{"type":["string","null"]},"url":{"type":"string"}},"required":["url","rel","sizes","type"],"type":"object"},"type":"array"},"image":{"additionalProperties":false,"properties":{"alt":{"type":["string","null"]},"height":{"type":["integer","null"]},"type":{"type":["string","null"]},"url":{"type":"string"},"width":{"type":["integer","null"]}},"required":["url","width","height","alt","type"],"type":["object","null"]},"keywords":{"items":{"type":"string"},"type":"array"},"

list_requestschanged

outputSchema

 ⟨19 unchanged words⟩ ,"duration_ms":{"type":"integer"},"final_url":{"description":"Where the page ended up after its redirects.","type":"string"},"finished_at":{"type":"string"},"labels" ⟨44 unchanged words⟩

29 words differ · ~~removed~~ · added

scrape_urlchanged

outputSchema

{"$schema":"https://json-schema.org/draft/2020-12/schema","anyOf":[{"properties":{"final_url":{"description":"The address the page ended on, after its redirects.","type":["string","null"]},"operations":{"additionalProperties":{"properties":{"cached ⟨48 unchanged words⟩

37 words differ · ~~removed~~ · added

TLS
2026-09-26 21:20 UTC · 13 d ago
Certificate recorded, valid to 2026-12-18
Authorization
2026-09-26 21:20 UTC · 13 d ago
Authorization not required
Status
2026-09-25 18:26 UTC · 14 d ago
Unknown → Live
Tool surface
2026-09-25 18:25 UTC · 14 d ago
First tool surface recorded: 14 tools (server version 1.2.0)
Endpoint
2026-09-25 18:18 UTC · 14 d ago
https://urlpipe.dev/mcp (mcp_streamable_http) — from mcp_registry, with the record

Showing the latest 6 events. The API returns up to 500 and filters by kind: ?kind=tool_surface_changed

,"url":{"type":["string","null"]}},"required":["title","description","image","url","type","site_name","locale"],"type":"object"},"published_at":{"description":"ISO 8601: a date (2024-05-01) or a moment with its offset.","type":["string","null"]},"robots":{"additionalProperties":false,"properties":{"follow":{"type":"boolean"},"index":{"type":"boolean"}},"required":["index","follow"],"type":"object"},"site_name":{"type":["string","null"]},"structured_data_types":{"items":{"type":"string"},"type":"array"},"theme_color":{"type":["string","null"]},"title":{"description":"The page's own title, without the site's name around it.","type":["string","null"]},"twitter":{"additionalProperties":false,"description":"The page's twitter: tags as declared.","properties":{"card":{"type":["string","null"]},"creator":{"type":["string","null"]},"description":{"type":["string","null"]},"image":{"type":["string","null"]},"site":{"type":["string","null"]},"title":{"type":["string","null"]}},"required":["card","site","creator","title","description","image"],"type":"object"},"type":{"description":"The kind of page, as the page declares it.","enum":["article","website","profile","book","product","video","music","place","event","recipe",null],"type":["string","null"]},"video":{"additionalProperties":false,"properties":{"height":{"type":["integer","null"]},"type":{"type":["string","null"]},"url":{"type":"string"},"width":{"type":["integer","null"]}},"required":["url","type","width","height"],"type":["object","null"]}},"required":["final_url","canonical_url","title","description","site_name","type","language","locale","authors","published_at","modified_at","image","video","favicon_url","icons","logo_url","feeds","keywords","theme_color","generator","manifest_url","robots","open_graph","twitter","alternates","oembed_url","structured_data_types"]

follow":{"type":"boolean"},"index":{"type":"boolean"}},"required":["index","follow"],"type":"object"},"site_name":{"type":["string","null"]},"structured_data_types":{"items":{"type":"string"},"type":"array"},"theme_color":{"type":["string","null"]},"title":{"description":"The page's own title, without the site's name around it.","type":["string","null"]},"twitter":{"additionalProperties":false,"description":"The page's twitter: tags as declared.","properties":{"card":{"type":["string","null"]},"creator":{"type":["string","null"]},"description":{"type":["string","null"]},"image":{"type":["string","null"]},"site":{"type":["string","null"]},"title":{"type":["string","null"]}},"required":["card","site","creator","title","description","image"],"type":"object"},"type":{"description":"The kind of page, as the page declares it.","enum":["article","website","profile","book","product","video","music","place","event","recipe",null],"type":["string","null"]},"video":{"additionalProperties":false,"properties":{"height":{"type":["integer","null"]},"type":{"type":["string","null"]},"url":{"type":"string"},"width":{"type":["integer","null"]}},"required":["url","type","width","height"],"type":["object","null"]}},"required":["final_url","canonical_url","title","description","site_name","type","language","locale","authors","published_at","modified_at","image","video","favicon_url","icons","logo_url","feeds","keywords","theme_color","generator","manifest_url","robots","open_graph","twitter","alternates","oembed_url","structured_data_types"],"type":"object"},{"properties":{"