# Edgepedia > Search and read Edgepedia, a free and growing encyclopedia with citations. No key. - name: ai.edgechat/edgepedia - version: 1.2.0 - connection class: R0 (autonomous) - trust: 96/100 - quality: 84/100 (good) - owner: not claimed - descriptor: https://api.protogrid.dev/v1/servers/ai.edgechat%2Fedgepedia - tools: https://api.protogrid.dev/v1/servers/ai.edgechat%2Fedgepedia/tools **An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe. ## Connection (mcpServers) ```json { "mcpServers": { "edgepedia": { "type": "http", "url": "https://www.edgechat.ai/mcp" } } } ``` ## Trust - hygiene: 100 - liveness: 100 - freshness: 100 - provenance: 85 - drivers: +repository +dns-namespace +website +reachable +uptime-100% +updated-9d-ago - Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. ## Quality 84/100 (good) ### protocol: 100 (weight 25) - pass `protocol.modern`: supports 2026-07-28 (server/discover) - pass `protocol.stateless`: answers without a session - pass `protocol.transport`: streamable HTTP - pass `protocol.list_ttl`: tool list is cacheable (ttlMs 3600000) ### authorization: n/a (weight 15) - n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth - n/a `auth.secret_in_url`: no templated URL ### tool hygiene: 100 (weight 30) - pass `tools.descriptions`: every tool has a description - pass `tools.description_length`: descriptions are concise - pass `tools.schemas`: every tool has an object input schema - pass `tools.annotations`: 5 of 5 tools declare readOnlyHint or destructiveHint - pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint - pass `tools.token_cost`: about 1,595 tokens to load every tool - pass `tools.api_dump`: tools are not a one-to-one API dump ### stability: 25 (weight 15) - warn `stability.changes`: 10 tool changes in 30 days - fail `stability.rug_pull`: 1 tools kept their name but changed most of their description in 30 days; review before trusting them ### dependencies: n/a (weight 15) - n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package - tools: 5, about 1,595 tokens to load them all - tool set hash: c7e062585c7384e7091e37464c0bff86 - tools last changed: 2026-10-16T01:13:22.087Z - badge: [![protogrid quality](https://protogrid.dev/badge/ai.edgechat/edgepedia.svg)](https://protogrid.dev/servers/ai.edgechat/edgepedia) - Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. ### Tool changes - 2026-10-16 `search` changed (description) - before: Search an encyclopedia for facts about a person, place, thing, event, or concept: Edgepedia, over 300k articles with citations. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question; other names and misspellings match, and when no title matches, articles whose text does follow, marked `match: fulltext`. Returns results with id, title, url, and preview text, plus a `topic:` result when the query names a topic ("painters"); pass an id to `fetch`. `limit` and `page` reach further results. - after: Search an encyclopedia for facts about a person, place, thing, event, or concept: Edgepedia, more than 400,000 articles with citations. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question; other names and misspellings match, and when no title matches, articles whose text does follow, marked `match: fulltext`. Returns results with id, title, url, and preview text, plus a `topic:` result when the query names a topic ("painters"); pass an id to `fetch`. `limit` and `page` reach further results. - 2026-10-08 `resolve` added - Find which encyclopedia article a name means: Edgepedia's best match for a person, place, thing, or concept named in a text, with a confidence, whether the name is ambiguous, and the alternatives. Pass the name ("Mercury"), and optionally words from the text around it (`context`: "planet orbit") or a topic id the article must sit under (`type`). Returns `result` (id, title, url) and `alternatives`; pass an id to `fetch`. - 2026-10-08 `connect` added - Find the shortest chain of in-text links from one Edgepedia article to another (at most 6 hops), with the sentence that makes each hop; pass two ids as `search` returns them. - 2026-10-08 `related` added - Find encyclopedia articles related to an Edgepedia article: its topic-mates, a few from each neighboring topic, and its geography neighbors. Pass its id, as for `fetch`. Returns groups of results; `fetch` a group's `topic` id for more. - 2026-10-08 `fetch` changed (description, inputSchema, outputSchema) - before: Get one Edgepedia article in full, as Markdown with its citations, by the id of a `search` result. A `topic:` id gives that topic's articles (title, id, preview text; the first 120 in title order) and its narrower topics. Pass `citations: false` for a text about a quarter shorter: [n] markers in place of the inline source links, the reference list kept. Link the article when you use it; show its `credit` line with any text you quote. - after: Read an encyclopedia article in full: one Edgepedia article as Markdown with its citations, by a `search` result's id. Returns id, title, text, url, and metadata (topic path, license, credit). A `topic:` id lists that topic's parent, narrower topics, and articles, 120 a page; `topic:root` is the top of the tree, `topic:geo` the geography tree. `citations: false` gives [n] markers instead of inline source links. Show the `credit` line with any text you quote. - 2026-10-08 `search` changed (description, inputSchema, outputSchema) **meaning changed** - before: Look up a person, place, thing, event, or concept in Edgepedia, an encyclopedia of over 300k articles and constantly growing. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question: it matches titles, other names, and misspellings, not full text. Returns up to 10 articles, each with preview text; pass a result's id to `fetch` for the article. When the query is a topic's name ("science fiction writers", "painters"), that topic comes too, with its article count and an id starting `topic:`; it leads unless an article of the same name does. `fetch` a topic's id for its articles. - after: Search an encyclopedia for facts about a person, place, thing, event, or concept: Edgepedia, over 300k articles with citations. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question; other names and misspellings match, and when no title matches, articles whose text does follow, marked `match: fulltext`. Returns results with id, title, url, and preview text, plus a `topic:` result when the query names a topic ("painters"); pass an id to `fetch`. `limit` and `page` reach further results. - 2026-10-04 `fetch` changed (description) - before: Get one Edgepedia article in full, as Markdown with its citations, by the id of a `search` result. A `topic:` id gives that topic's articles (title, id, opening sentences; the first 120 in title order) and its narrower topics. Pass `citations: false` for a text about a quarter shorter: [n] markers in place of the inline source links, the reference list kept. Link the article when you use it; show its `credit` line with any text you quote. - after: Get one Edgepedia article in full, as Markdown with its citations, by the id of a `search` result. A `topic:` id gives that topic's articles (title, id, preview text; the first 120 in title order) and its narrower topics. Pass `citations: false` for a text about a quarter shorter: [n] markers in place of the inline source links, the reference list kept. Link the article when you use it; show its `credit` line with any text you quote. - 2026-10-04 `search` changed (description, outputSchema) - before: Look up a person, place, thing, event, or concept in Edgepedia, an encyclopedia of over 300k articles and constantly growing. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question: it matches titles, other names, and misspellings, not full text. Returns up to 10 articles, each with opening sentences; pass a result's id to `fetch` for the article. When the query is a topic's name ("science fiction writers", "painters"), that topic comes too, with its article count and an id starting `topic:`; it leads unless an article of the same name does. `fetch` a topic's id for its articles. - after: Look up a person, place, thing, event, or concept in Edgepedia, an encyclopedia of over 300k articles and constantly growing. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question: it matches titles, other names, and misspellings, not full text. Returns up to 10 articles, each with preview text; pass a result's id to `fetch` for the article. When the query is a topic's name ("science fiction writers", "painters"), that topic comes too, with its article count and an id starting `topic:`; it leads unless an article of the same name does. `fetch` a topic's id for its articles. - 2026-09-29 `fetch` changed (description, inputSchema) - before: Get one Edgepedia article in full, as Markdown with its citations, by the id of a `search` result. Pass `citations: false` for a text about a quarter shorter: [n] markers in place of the inline source links, the reference list kept. Link the article when you use it; show its `credit` line with any text you quote. - after: Get one Edgepedia article in full, as Markdown with its citations, by the id of a `search` result. A `topic:` id gives that topic's articles (title, id, opening sentences; the first 120 in title order) and its narrower topics. Pass `citations: false` for a text about a quarter shorter: [n] markers in place of the inline source links, the reference list kept. Link the article when you use it; show its `credit` line with any text you quote. - 2026-09-29 `search` changed (description, outputSchema) - before: Look up a person, place, thing, event, or concept in Edgepedia, an encyclopedia of over 300k articles and constantly growing. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question: it matches titles, other names, and misspellings, not full text. Returns up to 10 results, each with opening sentences; pass a result's id to `fetch` for the article. - after: Look up a person, place, thing, event, or concept in Edgepedia, an encyclopedia of over 300k articles and constantly growing. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question: it matches titles, other names, and misspellings, not full text. Returns up to 10 articles, each with opening sentences; pass a result's id to `fetch` for the article. When the query is a topic's name ("science fiction writers", "painters"), that topic comes too, with its article count and an id starting `topic:`; it leads unless an article of the same name does. `fetch` a topic's id for its articles. Full history: https://api.protogrid.dev/v1/servers/ai.edgechat%2Fedgepedia/changes ## Remotes - https://www.edgechat.ai/mcp (streamable-http, auth none, reachable true, uptime30d 1) ## Packages _none_ ## Tools (5) - `connect`: Find the shortest chain of in-text links from one Edgepedia article to another (at most 6 hops), with the sentence that makes each hop; pass two ids as `search` returns them. - `fetch`: Read an encyclopedia article in full: one Edgepedia article as Markdown with its citations, by a `search` result's id. Returns id, title, text, url, and metadata (topic path, license, credit). A `topic:` id lists that topic's parent, narrower topics, and articles, 120 a page; `topic:root` is the top of the tree, `topic:geo` the geography tree. `citations: false` gives [n] markers instead of inline source links. Show the `credit` line with any text you quote. - `related`: Find encyclopedia articles related to an Edgepedia article: its topic-mates, a few from each neighboring topic, and its geography neighbors. Pass its id, as for `fetch`. Returns groups of results; `fetch` a group's `topic` id for more. - `resolve`: Find which encyclopedia article a name means: Edgepedia's best match for a person, place, thing, or concept named in a text, with a confidence, whether the name is ambiguous, and the alternatives. Pass the name ("Mercury"), and optionally words from the text around it (`context`: "planet orbit") or a topic id the article must sit under (`type`). Returns `result` (id, title, url) and `alternatives`; pass an id to `fetch`. - `search`: Search an encyclopedia for facts about a person, place, thing, event, or concept: Edgepedia, more than 400,000 articles with citations. Pass the subject's name ("Mount Fuji", "photosynthesis"), not a question; other names and misspellings match, and when no title matches, articles whose text does follow, marked `match: fulltext`. Returns results with id, title, url, and preview text, plus a `topic:` result when the query names a topic ("painters"); pass an id to `fetch`. `limit` and `page` reach further results.