{"server":{"name":"com.legendsoflearning.app/catalog","title":"Legends of Learning","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://app.legendsoflearning.com/mcp","type":"streamable-http"}],"version":"1.0.0","websiteUrl":"https://www.legendsoflearning.com","description":"Search the Legends of Learning K-8 games catalog and standards alignment"},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-07-16T21:41:17.348731Z","publishedAt":"2026-07-16T21:41:17.348731Z","statusChangedAt":"2026-07-16T21:41:17.348731Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://app.legendsoflearning.com/mcp","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-06-18"],"stateless":true},"health":{"reachable":true,"uptime_30d":1,"latency_ms_p50":219,"consecutive_failures":0,"last_probe_at":"2026-10-19T14:50:13.689Z","last_ok_at":"2026-10-19T14:50:13.689Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"legends_browse_standards","title":"Browse curriculum standards","description":"Browses the public Legends of Learning curriculum taxonomy.\n\nWithout `standard_set`, lists the public standard sets (e.g. id \"NGSS\" for Next Generation Science Standards, \"CCSS\" for Common Core math), each with id, name, and subject_area; `query` filters them by name.\n\nWith `standard_set` (a set id from the list above), lists the standards in that set. Each standard has id, code (e.g. \"2.OA.A.1\" or an NGSS code), title, description, grades (\"k\" and \"1\"-\"12\"), and subject. Use a standard's id in legends_search_games' `learning_objective_ids` to find games aligned to it. `query` free-text matches code, title, and description; `grade` (integer, 0 = kindergarten) narrows to one grade level.\n\n`page` (default 1) and `page_size` (default 10, max 25) paginate both modes.\n\nExample: {\"standard_set\": \"CCSS\", \"grade\": 2, \"query\": \"addition\"} finds 2nd-grade Common Core standards about addition.\n","annotations":{"title":"Browse curriculum standards","readOnlyHint":true},"source":"probe","observed_at":"2026-10-19T14:50:13.689Z"},{"name":"legends_get_game","title":"Get a Legends of Learning game","description":"Fetches the full public detail for one Legends of Learning game by its numeric id (from legends_search_games).\n\nReturns the game's id, title, description, image, estimated_duration in minutes, type, grades served, teacher/student ratings, instructions, vocabulary, discussion questions, capability flags (supports_ipad, supports_tts, multi_language, saves_progress), lexile_level, the public url, and `learning_objectives` — the standards the game is aligned to, each with id, title, code, and standard_set.\n\nExample: {\"game_id\": 1445} returns that game, or an error result if no such game is publicly available.\n","annotations":{"title":"Get a Legends of Learning game","readOnlyHint":true},"source":"probe","observed_at":"2026-10-19T14:50:13.689Z"},{"name":"legends_search_games","title":"Search Legends of Learning games","description":"Searches the public Legends of Learning game catalog (curriculum-aligned learning games for grades K-12 in math, science, and social studies).\n\nArguments (all optional): `query` free-text matches game titles and vocabulary; `grades` narrows to games for those grade levels (integers, 0 = kindergarten through 12); `game_type` is one of \"instructional\", \"question\", or \"simulation\"; `learning_objective_ids` narrows to games aligned to those learning objectives (get ids from legends_browse_standards); `page` (default 1) and `page_size` (default 10, max 25) paginate.\n\nReturns `games` (each with id, title, description, image, estimated_duration in minutes, type, grades served, teacher/student ratings, and the game's public url) plus `page`, `page_size`, `total_entries`, and `total_pages`.\n\nExample: {\"query\": \"fractions\", \"grades\": [3, 4], \"page_size\": 5} finds up to five 3rd-4th grade games about fractions.\n","annotations":{"title":"Search Legends of Learning games","readOnlyHint":true},"source":"probe","observed_at":"2026-10-19T14:50:13.689Z"}],"dev.protogrid/trust":{"score":76,"components":{"hygiene":80,"liveness":100,"freshness":65,"provenance":55},"drivers":["+dns-namespace","+website","+reachable","+uptime-100%","~updated-95d-ago","-no-repository"],"flags":["no-repository"],"blocked":false,"computed_at":"2026-10-19T18:19:16.680Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":85,"label":"good","components":{"auth":null,"hygiene":86,"protocol":75,"stability":100,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"newest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28","status":"warn","category":"protocol"},{"id":"protocol.stateless","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"protocol.transport","detail":"streamable HTTP","status":"pass","category":"protocol"},{"id":"protocol.list_ttl","detail":"only applies to 2026-07-28 servers","status":"na","category":"protocol"},{"id":"auth.prm","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.as_metadata","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.cimd","detail":"no remote uses OAuth","status":"na","category":"auth"},{"id":"auth.secret_in_url","detail":"no templated URL","status":"na","category":"auth"},{"id":"tools.descriptions","detail":"every tool has a description","status":"pass","category":"hygiene"},{"id":"tools.description_length","detail":"descriptions are concise","status":"pass","category":"hygiene"},{"id":"tools.schemas","detail":"every tool has an object input schema","status":"pass","category":"hygiene"},{"id":"tools.annotations","detail":"3 of 3 tools declare readOnlyHint or destructiveHint","status":"pass","category":"hygiene"},{"id":"tools.directory_hints","detail":"no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: legends_search_games (destructiveHint, idempotentHint, openWorldHint); legends_browse_standards (destructiveHint, idempotentHint, openWorldHint); legends_get_game (destructiveHint, idempotentHint, openWorldHint)","status":"fail","category":"hygiene"},{"id":"tools.token_cost","detail":"about 1,004 tokens to load every tool","status":"pass","category":"hygiene"},{"id":"tools.api_dump","detail":"tools are not a one-to-one API dump","status":"pass","category":"hygiene"},{"id":"stability.changes","detail":"no tool changes in 30 days","status":"pass","category":"stability"},{"id":"stability.rug_pull","detail":"no tool changed its meaning under the same name","status":"pass","category":"stability"},{"id":"deps.known_vulns","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.mcp_sdk_version","detail":"no npm or PyPI package","status":"na","category":"dependencies"},{"id":"deps.resolvable","detail":"no npm or PyPI package","status":"na","category":"dependencies"}],"drivers":["-tools.directory_hints","~protocol.modern"],"flags":[],"tool_count":3,"token_estimate":1004,"tools_hash":"13493985fde4ee3f0679f41b3df5887f","tools_changed_at":null,"computed_at":"2026-10-19T18:29:37.439Z","disclaimer":"Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed."},"dev.protogrid/identity":{"canonical_id":"com.legendsoflearning.app/catalog","aliases":[],"alias_count":0,"repository_key":null,"owner":{"verified":false,"method":null,"since":null}}},"next_actions":[{"action":"list_tools","description":"Every current tool with input schemas","href":"/v1/servers/com.legendsoflearning.app%2Fcatalog/tools","arguments":{"name":"com.legendsoflearning.app/catalog"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/com.legendsoflearning.app%2Fcatalog/connection?target=mcpServers","arguments":{"name":"com.legendsoflearning.app/catalog","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}