{"server":{"name":"com.sgpropertydata/property-data","title":"SG Property Data","$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","remotes":[{"url":"https://sgpropertydata.com/mcp/","type":"streamable-http"},{"url":"https://sgpropertydata.com/mcp-free/","type":"streamable-http"}],"version":"1.0.0","description":"Price trends, CAGR, rental yield for Singapore private and HDB property, from URA/HDB records."},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","isLatest":true,"updatedAt":"2026-06-30T05:48:12.443585Z","publishedAt":"2026-06-30T05:48:12.443585Z","statusChangedAt":"2026-06-30T05:48:12.443585Z"},"dev.protogrid/connectability":{"class":"R0","autonomous":true,"human_steps":[],"preferred":{"kind":"remote","idx":0},"remotes":[{"idx":0,"url":"https://sgpropertydata.com/mcp/","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-11-25"],"stateless":false},"health":{"reachable":true,"uptime_30d":0.8952381,"latency_ms_p50":1264,"consecutive_failures":0,"last_probe_at":"2026-10-20T04:18:52.199Z","last_ok_at":"2026-10-20T04:18:52.199Z"}},{"idx":1,"url":"https://sgpropertydata.com/mcp-free/","transport":"streamable-http","templated":false,"headers":[],"auth":{"type":"none","location":null,"secret_name":null,"oauth":null},"protocol":{"supported_versions":["2025-11-25"],"stateless":false},"health":{"reachable":true,"uptime_30d":0.9245283,"latency_ms_p50":1297,"consecutive_failures":0,"last_probe_at":"2026-10-20T00:18:05.046Z","last_ok_at":"2026-10-20T00:18:05.046Z"}}],"packages":[]},"dev.protogrid/tools":[{"name":"get_data_freshness","title":null,"description":"Get metadata about when this dataset was last calculated and what period\nof sale/rental data it covers. Call this before presenting any number as\n'current' - the underlying data is refreshed monthly, not in real time.","annotations":null,"source":"probe","observed_at":"2026-10-20T00:18:05.046Z"},{"name":"get_sample_data","title":null,"description":"Get free sample data - real (not synthetic) district and project stats\nfor a small fixed set of examples, in the exact same shape as the paid\ntools. Use this to verify the data fits your use case before calling\nthe paid tools, which cover the full catalogue of districts and projects.","annotations":null,"source":"probe","observed_at":"2026-10-20T00:18:05.046Z"},{"name":"list_condo_projects","title":null,"description":"List condo/apartment projects we track, optionally filtered by district.\nFree - use this to discover valid project names before calling the paid\nstats/yield tools, rather than guessing at spelling.","annotations":null,"source":"probe","observed_at":"2026-10-20T00:18:05.046Z"},{"name":"list_hdb_towns","title":null,"description":"List every HDB town we track, with the specific flat types available\nfor each. Free - use this to discover valid town names and flat types\nbefore calling the paid get_hdb_town_stats tool.","annotations":null,"source":"probe","observed_at":"2026-10-20T00:18:05.046Z"},{"name":"list_landed_projects","title":null,"description":"List landed house projects/estates we track, optionally filtered by\ndistrict. Free - use this to discover valid names before calling the\npaid stats/yield tools.","annotations":null,"source":"probe","observed_at":"2026-10-20T00:18:05.046Z"}],"dev.protogrid/trust":{"score":72,"components":{"hygiene":80,"liveness":97,"freshness":65,"provenance":45},"drivers":["+dns-namespace","+reachable","+uptime-92%","~updated-112d-ago","-no-repository"],"flags":["no-repository"],"blocked":false,"computed_at":"2026-10-20T04:12:18.767Z","disclaimer":"Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed."},"dev.protogrid/quality":{"score":79,"label":"good","components":{"auth":null,"hygiene":71,"protocol":75,"stability":100,"dependencies":null},"checks":[{"id":"protocol.modern","detail":"newest supported version is 2025-11-25; 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":"no tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones","status":"fail","category":"hygiene"},{"id":"tools.directory_hints","detail":"no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: list_condo_projects (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_landed_projects (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_sample_data (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …","status":"fail","category":"hygiene"},{"id":"tools.token_cost","detail":"about 461 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.annotations","-tools.directory_hints","~protocol.modern"],"flags":[],"tool_count":5,"token_estimate":461,"tools_hash":"9491b32d3c7e05a65f9b23aae6c6f371","tools_changed_at":null,"computed_at":"2026-10-20T04:09:27.704Z","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.sgpropertydata/property-data","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.sgpropertydata%2Fproperty-data/tools","arguments":{"name":"com.sgpropertydata/property-data"}},{"action":"get_connection","description":"Minimal connection block for the preferred remote or package","href":"/v1/servers/com.sgpropertydata%2Fproperty-data/connection?target=mcpServers","arguments":{"name":"com.sgpropertydata/property-data","target":"mcpServers"}},{"action":"search","description":"Find other servers by intent","href":"/v1/search?q={query}","arguments":{"q":"{query}"}}]}