{"id":52248,"recorded_at":"2026-10-26T14:36:59.719133Z","observed_at":"2026-10-26T14:36:59.719101Z","subject_kind":"source_record","subject":"mcp_registry:io.github.simul813/kdp-niche-research","kind":"listing","method":"baseline/1","body":{"endpoints":[["mcp","https://nichedata.dev/mcp"],["web","https://nichedata.dev/"]],"name":"KDP Niche Research","owner_address":null,"raw":{"_meta":{"io.modelcontextprotocol.registry/official":{"isLatest":true,"publishedAt":"2026-05-02T22:01:58.969368Z","status":"active","statusChangedAt":"2026-05-02T22:01:58.969368Z","updatedAt":"2026-05-02T22:01:58.969368Z"}},"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","description":"Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base.","name":"io.github.simul813/kdp-niche-research","remotes":[{"type":"streamable-http","url":"https://nichedata.dev/mcp"}],"repository":{"source":"github","url":"https://github.com/simul813/kdp-intelligence-api"},"title":"KDP Niche Research","version":"0.2.0","websiteUrl":"https://nichedata.dev"}},"source":"mcp_registry","summary":"Kindle niche intelligence (demand/competition/BSR/revenue) gated by x402 USDC on Base."},"body_sha256":"5e5bebcdaa5a5dee4d2e61bb199490185c60e6401f67597e8ed97d96d4a5538d","prev_id":null,"leaf":"0xb14cdd67cb98ca67da98aff17805dd3c8756f6ad14d8c2abda449339b4f824f4","leaf_text":"{\"body\":\"5e5bebcdaa5a5dee4d2e61bb199490185c60e6401f67597e8ed97d96d4a5538d\",\"id\":52248,\"kind\":\"listing\",\"method\":\"baseline/1\",\"observed_us\":1793025419719101,\"prev\":null,\"subject\":\"mcp_registry:io.github.simul813/kdp-niche-research\",\"subject_kind\":\"source_record\"}","day":{"day":"2026-10-26","leaves":296695,"root":"0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8","chained":"0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a","anchor_chain":"eip155:5042002","anchor_tx":"0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae","anchor_block":69251483},"proof":["0xb14cc16a7432eaa4b61a65b972b61cfaaa28a626e84a3e3c8081ffc07ed80746","0x4388e0ba2df56ec73ba3ed7cbd939f1cd896af661474776cff775ca3edfeb523","0xd0fba93fcd180ccd4d92f84ea307840aa5016adb0a0b76c5c4caca3ec3ada12b","0x23793b5af26f89c45cdf97401539832397abda373f4c89506a8864807c6e746c","0x083624b354eaf832e2852cdb8a572ae06126049a639cefdff9e7f1d7b6253c1f","0x20e048d145fe9ce63124d428e8511011152bd065148566229cb23cbaf7e951b8","0xf637b3ff4838d150b74f36f020a64be39f165e942e2f41c39538a958c3bad6d9","0xcba8ecae0d14f45b40e369eae11e9fd342d00488c0aa4731ef50b67080a98fab","0xfe760d927c146e0e56e6689bf773a2073125c3f350f60f5a25a4042ba3b1fd4e","0x55838b11251efb24add31c997e02aac1cdf6d78a790f4178057a4c2095a5d448","0x68459613b28284909eadec125bcf23808811e99ecfabc229bf7deb2178ab9826","0xce1aeb889b974291cea1fbfd01595655bd2c1b3636dc5b56eeb8904adb9f6c65","0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39","0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b","0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570","0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452","0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40","0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f","0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a"]}