{"server":"io.github.cyanheads/crossref-mcp-server","quality":{"score":86,"label":"good","components":{"auth":null,"hygiene":79,"protocol":88,"stability":100,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"supports 2026-07-28 (server/discover)","status":"pass","category":"protocol"},{"id":"protocol.stateless","detail":"answers without a session","status":"pass","category":"protocol"},{"id":"protocol.transport","detail":"streamable HTTP","status":"pass","category":"protocol"},{"id":"protocol.list_ttl","detail":"tools/list declares ttlMs 0, so clients re-fetch it on every use","status":"warn","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":"4 tools have descriptions over 1,024 characters, which crowds the context","status":"warn","category":"hygiene"},{"id":"tools.schemas","detail":"every tool has an object input schema","status":"pass","category":"hygiene"},{"id":"tools.annotations","detail":"7 of 7 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: crossref_get_references (destructiveHint, openWorldHint); crossref_search_journals (destructiveHint, idempotentHint); crossref_search_funders (destructiveHint, idempotentHint); …","status":"fail","category":"hygiene"},{"id":"tools.token_cost","detail":"about 4,672 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":"4 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":"deps.dev does not know @cyanheads/crossref-mcp-server@0.4.2, @cyanheads/crossref-mcp-server@0.4.2","status":"na","category":"dependencies"},{"id":"deps.mcp_sdk_version","detail":"deps.dev does not know @cyanheads/crossref-mcp-server@0.4.2, @cyanheads/crossref-mcp-server@0.4.2","status":"na","category":"dependencies"},{"id":"deps.resolvable","detail":"deps.dev does not know @cyanheads/crossref-mcp-server@0.4.2, @cyanheads/crossref-mcp-server@0.4.2","status":"na","category":"dependencies"}],"drivers":["-tools.directory_hints","~protocol.list_ttl","~tools.description_length"],"flags":[],"tool_count":7,"token_estimate":4672,"tools_hash":"ff944c5c81582ff07276d704338cb6e2","tools_changed_at":"2026-09-24T09:15:57.300Z","computed_at":"2026-10-19T15:15:47.727Z","disclaimer":"Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed."},"blocked":false,"owner":{"verified":false,"method":null,"since":null},"history":[{"day":"2026-09-23","score":90},{"day":"2026-09-24","score":83},{"day":"2026-09-25","score":83},{"day":"2026-09-26","score":83},{"day":"2026-09-27","score":83},{"day":"2026-09-28","score":83},{"day":"2026-09-29","score":83},{"day":"2026-09-30","score":86},{"day":"2026-10-01","score":86},{"day":"2026-10-02","score":86},{"day":"2026-10-03","score":86},{"day":"2026-10-04","score":86},{"day":"2026-10-05","score":86},{"day":"2026-10-06","score":86},{"day":"2026-10-07","score":86},{"day":"2026-10-08","score":86},{"day":"2026-10-09","score":86},{"day":"2026-10-10","score":86},{"day":"2026-10-11","score":86},{"day":"2026-10-12","score":86},{"day":"2026-10-13","score":86},{"day":"2026-10-14","score":86},{"day":"2026-10-15","score":86},{"day":"2026-10-16","score":86},{"day":"2026-10-17","score":86},{"day":"2026-10-18","score":86},{"day":"2026-10-19","score":86}],"next_actions":[{"action":"get_server","description":"Full descriptor","href":"/v1/servers/io.github.cyanheads%2Fcrossref-mcp-server","arguments":{"name":"io.github.cyanheads/crossref-mcp-server"}},{"action":"list_tools","description":"Current tools with schemas","href":"/v1/servers/io.github.cyanheads%2Fcrossref-mcp-server/tools","arguments":{"name":"io.github.cyanheads/crossref-mcp-server"}}]}