{"id":"407e3833-97c8-48c0-ab63-3b7a3c14f419","shortId":"sDBYkM","kind":"mcp","title":"HTTP 428 precondition-required","tagline":"Meaning of HTTP 428.","description":"Meaning of HTTP 428.","tags":["github","sadri","dridi","http","428"],"capabilities":["mcp","transport-streamable-http","remote-server"],"categories":[],"synonyms":[],"warnings":[],"endpointUrl":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-428/mcp","protocol":"mcp","transport":"streamable-http","auth":{"type":"mcp","details":{"transport":"streamable-http","remote_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-428/mcp"}},"qualityScore":"0.250","qualityRationale":"deterministic score 0.25 from registry signals: · indexed on anthropic_mcp · remote streamable-http","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":"2026-09-24T18:26:16.944Z","embedding":null,"createdAt":"2026-09-09T03:24:44.003Z","updatedAt":"2026-09-24T18:26:16.944Z","lastSeenAt":"2026-09-24T18:26:16.944Z","tsv":"'428':2,9,13 'http':1,8,12 'mcp' 'mean':6,10 'precondit':4 'precondition-requir':3 'remote-server' 'requir':5 'transport-streamable-http'","prices":[{"id":"e2eb672f-c7e6-4fcd-8416-66797f6c587a","listingId":"407e3833-97c8-48c0-ab63-3b7a3c14f419","amountUsd":"0","unit":"free","nativeCurrency":null,"nativeAmount":null,"chain":null,"payTo":null,"paymentMethod":"mcp-free","isPrimary":true,"details":{"transport":"streamable-http","remote_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-428/mcp"},"createdAt":"2026-09-09T03:24:44.003Z"}],"sources":[{"listingId":"407e3833-97c8-48c0-ab63-3b7a3c14f419","source":"anthropic_mcp","sourceId":"io.github.sadri-dridi/http-428:1.0.0","sourceUrl":"https://registry.modelcontextprotocol.io/v0/servers","isPrimary":true,"firstSeenAt":"2026-09-09T03:24:44.003Z","lastSeenAt":"2026-09-24T18:26:16.944Z"}],"details":{"listingId":"407e3833-97c8-48c0-ab63-3b7a3c14f419","quickStartSnippet":null,"exampleRequest":null,"exampleResponse":null,"schema":null,"openapiUrl":null,"agentsTxtUrl":null,"citations":[],"useCases":[],"bestFor":[],"notFor":[],"kindDetails":{"source":"anthropic_mcp","version":"1.0.0","transport":"streamable-http","remote_url":"https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/http-428/mcp","server_name":"io.github.sadri-dridi/http-428","server_title":"HTTP 428 precondition-required"},"updatedAt":"2026-09-24T18:26:16.944Z"}}