{"name":"com.lattice-sys.plumbline/mcp","namespace":"com.lattice-sys.plumbline","leaf":"mcp","title":"Plumbline — a trust layer for LLM answers","description":"Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason.","verdict":"healthy","reasons":[],"checks":[{"name":"registry status","status":"pass","detail":"active"},{"name":"server.json valid","status":"pass","detail":"validates against its declared JSON Schema"},{"name":"repo reachable","status":"skip","detail":"no repository declared"},{"name":"remote reachable","status":"pass","detail":"HTTP 200 via initialize"},{"name":"MCP conformance","status":"pass","detail":"initialize handshake ok"},{"name":"tools/list","status":"pass","detail":"18 tools: ask_prepare, ask_result, ask_submit_draft, compare_departments, cross_check, describe_fact_capabilities, find_payroll_anomalies, get_ai_act_transparency, ..."},{"name":"at least one live entrypoint","status":"pass","detail":"1 alive"},{"name":"spec 2026-07-28","status":"warn","detail":"needs-migration: no server/discover, rejects handshake-free requests, still mints Mcp-Session-Id, routing headers not enforced"}],"signals":{"repo":{"kind":"none","status":"none"},"packages":null,"remotes":[{"url":"https://plumbline.lattice-sys.com/mcp/demo","type":"streamable-http","status":"reachable","httpStatus":200,"conformance":"initialize_ok","probe":"initialize","idEchoed":true,"toolsStatus":"ok","toolCount":18,"toolNames":["ask_prepare","ask_result","ask_submit_draft","compare_departments","cross_check","describe_fact_capabilities","find_payroll_anomalies","get_ai_act_transparency"],"protocolVersion":"2025-06-18","capabilities":["logging","resources","tools"],"sessionIssued":true}],"serverJson":{"status":"valid","schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json"}},"aliveEntrypoints":1,"probedEntrypoints":1,"registryStatus":"active","checkedAt":"2026-09-13","tier":"A","firstSeenCensus":"2026-09-09","url":"https://roninforge.org/data/state-of-mcp/servers/com.lattice-sys.plumbline/mcp/","license":"CC-BY-4.0","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","cite":"RoninForge.org, \"State of MCP: a dated census of the official Model Context Protocol registry\", 2026-09-13. CC BY 4.0. https://roninforge.org/data/state-of-mcp/","dataset":"https://roninforge.org/data/state-of-mcp/","methodology":"https://roninforge.org/data/state-of-mcp/methodology/"}