{"uid":"cap_9lHdSNLr3UzhspgUetMIG","slug":"ncbi-medgen-concept-search-via-e-utilities-e9b1ff6d","name":"NCBI MedGen Concept Search via E-utilities","description":"Search NCBI MedGen medical genetics concepts and return matching UIDs for query {q} via E-utilities. Query: ?q= Returns JSON.","url":"https://clonecho.builda.company/x402/s/ncbi-esearch-medgen","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_PYR4wkCilTvMQRkm6UqDT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x036CbD53842c5426634e7929541eC2318f3dCF7e","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches NCBI MedGen medical genetics database and returns matching concept UIDs for a given query string.","exampleAgentPrompt":"Search NCBI MedGen for 'Marfan syndrome' and give me the matching concept UIDs.","exampleUseCases":null,"resultDescription":"A JSON response containing MedGen concept UIDs (numeric identifiers) matching the search query, as returned by the NCBI E-utilities esearch endpoint scoped to the MedGen database.","failureModes":["Empty result set if the query term matches no MedGen concepts","Malformed or overly broad query returning too many results","NCBI E-utilities rate limiting or temporary unavailability causing errors","Missing or empty 'q' parameter resulting in an error or empty response"],"whenToPreferThis":"Use this endpoint when you need to resolve a medical genetics term, disease name, or phenotype into NCBI MedGen concept UIDs, particularly as a first step before fetching detailed records from MedGen. Prefer this over general PubMed or gene searches when the target is specifically genetic disease concepts or clinical phenotypes catalogued in MedGen.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:11:32.118Z","isFirstParty":false}