{"slug":"what-is-mcp","verification":{"valid":true,"entries":8,"head":"91c05d9223289af68fba95362094245c9d75046e0fd77c397fb35a5b6d5b3cfe"},"energy":{"passes":8,"tokens_in":0,"tokens_out":0,"tokens_total":0,"cost_usd":0,"models":{"cap:cap_e977bc9c49319139":1,"claude-fable-5":7},"head":"91c05d9223289af68fba95362094245c9d75046e0fd77c397fb35a5b6d5b3cfe"},"provenance":[{"ts":"2026-07-24T16:10:34.416Z","model":"cap:cap_e977bc9c49319139","action":"voxel_batch_document_new","prompt":"","input":"what-is-mcp","response":"16 DIVs from document (verbatim, roundtrip-checked)","tokens_in":0,"tokens_out":0,"cost":0,"prev":"genesis","hash":"c381739c72441ff75cd5ad30e3b005221b3854b56bd55ab45c606dd95a37adc0"},{"ts":"2026-07-24T16:11:41.232Z","model":"claude-fable-5","action":"sources","prompt":"","input":"what-is-mcp","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"c381739c72441ff75cd5ad30e3b005221b3854b56bd55ab45c606dd95a37adc0","hash":"94e72381d5e90a307a31e13c7683bcaea51fbc8aceddee689b11043b1ac8f5ef"},{"ts":"2026-07-24T16:11:50.391Z","model":"claude-fable-5","action":"sources","prompt":"","input":"what-is-mcp","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"94e72381d5e90a307a31e13c7683bcaea51fbc8aceddee689b11043b1ac8f5ef","hash":"c3cbf48dfae8e57c9313c4fc1b68441dde136feb3d0ba1b2f3da928bf7a925e8"},{"ts":"2026-07-24T16:11:50.806Z","model":"claude-fable-5","action":"sources","prompt":"","input":"what-is-mcp","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"c3cbf48dfae8e57c9313c4fc1b68441dde136feb3d0ba1b2f3da928bf7a925e8","hash":"f067d0f8db9cc405c0b760c3475ba18839ca9a192f1a1d1b09403cb7b59feb83"},{"ts":"2026-07-24T16:11:51.236Z","model":"claude-fable-5","action":"claim","prompt":"","input":"what-is-mcp c1","response":"MCP is an open-source standard for connecting AI applications to external systems, self-described via the USB-C analogy; Claude, ChatGPT, VS Code and Cursor ship clients.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"f067d0f8db9cc405c0b760c3475ba18839ca9a192f1a1d1b09403cb7b59feb83","hash":"0afb0a05364e739c3ba14a4c566e791e7f55c5e318d43976b27bbd2eef6af3c0"},{"ts":"2026-07-24T16:11:51.678Z","model":"claude-fable-5","action":"claim","prompt":"","input":"what-is-mcp c2","response":"MCP was open-sourced November 2024 and donated to the Linux Foundation December 2025; SDK downloads reached roughly 97M/month by March 2026.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"0afb0a05364e739c3ba14a4c566e791e7f55c5e318d43976b27bbd2eef6af3c0","hash":"fac0b9b026c5e8393d7bebd67e9b2fd6813327ce219d2e80be73219fa19a5c96"},{"ts":"2026-07-24T16:11:52.102Z","model":"claude-fable-5","action":"claim","prompt":"","input":"what-is-mcp c3","response":"The official MCP Registry (preview Sep 2025) provides centralized discovery with namespace verification and held ~2,000 entries by March 2026.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"fac0b9b026c5e8393d7bebd67e9b2fd6813327ce219d2e80be73219fa19a5c96","hash":"bebe99829b367624d4f3e9c0ed7a0d1004c1395121b366b7fe465dc61f4f0506"},{"ts":"2026-07-24T16:11:52.563Z","model":"claude-fable-5","action":"claim","prompt":"","input":"what-is-mcp c4","response":"MCP standardizes discovery, invocation and wire format; per-call authorization is left to implementers, with connection-level OAuth as the norm. Analytical reading of the documented scope.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"bebe99829b367624d4f3e9c0ed7a0d1004c1395121b366b7fe465dc61f4f0506","hash":"91c05d9223289af68fba95362094245c9d75046e0fd77c397fb35a5b6d5b3cfe"}]}