{"id":"7686bfc7-2140-461d-b829-5884c82e62cb","shortId":"cL7wxB","kind":"mcp","title":"PubChem by cyanheads","tagline":"PubChem chemical database access for compound search, properties, safety data, bioactivity, and cross-references.","description":"PubChem chemical database access for compound search, properties, safety data, bioactivity, and cross-references.\n\nProvides comprehensive access to the NIH PubChem chemical database. Supports compound search, property lookup, safety and hazard data retrieval, bioactivity queries, cross-reference resolution, and compound summaries.","tags":["pubchem","cyanheads"],"capabilities":["mcp","transport-stdio","open-source"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://github.com/cyanheads/pubchem-mcp-server","protocol":"mcp","transport":"stdio","auth":{"type":"mcp","details":{"transport":"stdio"}},"qualityScore":"0.566","qualityRationale":"deterministic score 0.57 from registry signals: · indexed on pulsemcp · has source repo · 8 github stars · registry-generated description present","verified":false,"liveness":"unknown","lastLivenessCheck":null,"agentReviews":{"count":0,"score_avg":null,"cost_usd_avg":null,"success_rate":null,"latency_p50_ms":null,"narrative_summary":null,"summary_updated_at":null},"enrichmentModel":"deterministic:mcp:v1","enrichmentVersion":1,"enrichedAt":"2026-04-28T02:21:46.890Z","embedding":null,"createdAt":"2026-04-21T19:27:37.314Z","updatedAt":"2026-04-28T02:21:46.890Z","lastSeenAt":"2026-04-28T02:21:46.890Z","tsv":"'access':7,22,36 'bioactiv':14,29,53 'chemic':5,20,41 'compound':9,24,44,60 'comprehens':35 'cross':17,32,56 'cross-refer':16,31,55 'cyanhead':3 'data':13,28,51 'databas':6,21,42 'hazard':50 'lookup':47 'mcp' 'nih':39 'open-source' 'properti':11,26,46 'provid':34 'pubchem':1,4,19,40 'queri':54 'refer':18,33,57 'resolut':58 'retriev':52 'safeti':12,27,48 'search':10,25,45 'summari':61 'support':43 'transport-stdio'","prices":[{"id":"e6e82371-1fe5-491a-a056-6fe7ff0e6349","listingId":"7686bfc7-2140-461d-b829-5884c82e62cb","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"stdio"},"createdAt":"2026-04-21T19:27:37.314Z"}],"sources":[{"listingId":"7686bfc7-2140-461d-b829-5884c82e62cb","source":"pulsemcp","sourceId":"https://www.pulsemcp.com/servers/cyanheads-pubchem","sourceUrl":"https://api.pulsemcp.com/v0beta/servers","isPrimary":true,"firstSeenAt":"2026-04-21T19:27:37.314Z","lastSeenAt":"2026-04-28T02:21:46.890Z"}],"details":{"listingId":"7686bfc7-2140-461d-b829-5884c82e62cb","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"pulsemcp","transport":"stdio","server_name":"PubChem by cyanheads","external_url":"https://github.com/cyanheads/pubchem-mcp-server","github_stars":8,"registry_url":"https://www.pulsemcp.com/servers/cyanheads-pubchem","source_code_url":"https://github.com/cyanheads/pubchem-mcp-server"},"updatedAt":"2026-04-28T02:21:46.890Z"}}