{"indexed":true,"server":"https://api.materialscodegraph.com/mcp","name":"MaterialsCodeGraph","empirical_score":0.67,"verified_at":"2026-10-09T04:13:35+00:00","rank_of_verified":"863 / 2154","summary":"No blocking issues. Rank reflects verification evidence + freshness — keep /mcp healthy.","checks":[{"check":"battery","state":"partial","note":"empirical score 0.67 — handshake/tools pass but task-level calls did not. Likely cause: missing credentials or failing sample call. Ensure empty outputs never return as success and auth errors are descriptive."},{"check":"description","state":"ok","note":"100 chars — decent; adding concrete return-shape details helps semantic matching."},{"check":"tool_names","state":"pass","note":"12 tools with concrete names."},{"check":"freshness","state":"pass","note":"verified 10 days ago — fresh."},{"check":"dependencies","state":"ok","note":"1 declared dependency(ies). Make sure auth errors surface auth_guidance so agents can onboard."}],"tools_preview":["mcg_catalog","mcg_rates","mcg_quote","mcg_clusters","mcg_stage","mcg_run","mcg_list_runs","mcg_get_study","mcg_get_run","mcg_cancel_run"],"badge":null}