{"slug":"is-it-langchain","verification":{"valid":true,"entries":15,"head":"abfdbb69ef6ee09dfe56b39739b2ec17d8a1f5d5c5774c5e4f6d46fb27f092af"},"energy":{"passes":15,"tokens_in":0,"tokens_out":0,"tokens_total":0,"cost_usd":0,"models":{"cap:cap_e2f98957b98abdb4":1,"claude-fable-5":10,"cap:cap_cbe4339b1b46364b":4},"head":"abfdbb69ef6ee09dfe56b39739b2ec17d8a1f5d5c5774c5e4f6d46fb27f092af"},"provenance":[{"ts":"2026-07-24T07:51:07.061Z","model":"cap:cap_e2f98957b98abdb4","action":"voxel_batch_document_new","prompt":"","input":"is-it-langchain","response":"21 DIVs from document (verbatim, roundtrip-checked)","tokens_in":0,"tokens_out":0,"cost":0,"prev":"genesis","hash":"e918de267ac9b5a8e77ac2da7db413432260c5178742c1dea3de1539314bbd5e"},{"ts":"2026-07-24T07:54:09.085Z","model":"claude-fable-5","action":"sources","prompt":"","input":"is-it-langchain","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"e918de267ac9b5a8e77ac2da7db413432260c5178742c1dea3de1539314bbd5e","hash":"b99c5937fa304d06f5c77099e78683bfd5b39b45b79fb1900e2a4f3a6dc7bd97"},{"ts":"2026-07-24T07:54:09.582Z","model":"claude-fable-5","action":"sources","prompt":"","input":"is-it-langchain","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"b99c5937fa304d06f5c77099e78683bfd5b39b45b79fb1900e2a4f3a6dc7bd97","hash":"c3e2dc3e646ac4353310e4e42740f563f83f19bf8e254b54665a7b7f4a6f4b32"},{"ts":"2026-07-24T07:54:10.840Z","model":"claude-fable-5","action":"sources","prompt":"","input":"is-it-langchain","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"c3e2dc3e646ac4353310e4e42740f563f83f19bf8e254b54665a7b7f4a6f4b32","hash":"442cdf94af74233637e5723df597b646b178633cc382ca6d64488a87e9be2735"},{"ts":"2026-07-24T07:54:11.344Z","model":"claude-fable-5","action":"sources","prompt":"","input":"is-it-langchain","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"442cdf94af74233637e5723df597b646b178633cc382ca6d64488a87e9be2735","hash":"1e0055f3d7a128dcd26b1af9979f068d56178a3c791021bcbcc8610d60947990"},{"ts":"2026-07-24T07:54:11.898Z","model":"claude-fable-5","action":"sources","prompt":"","input":"is-it-langchain","response":"1 source(s) added","tokens_in":0,"tokens_out":0,"cost":0,"prev":"1e0055f3d7a128dcd26b1af9979f068d56178a3c791021bcbcc8610d60947990","hash":"dbf4c4959d5da1da494b477be935c8e1cfa58014bfeeecdeee3cbe194172d99f"},{"ts":"2026-07-24T07:54:12.315Z","model":"claude-fable-5","action":"claim","prompt":"","input":"is-it-langchain c1","response":"LangGraph, CrewAI and AutoGen are orchestration libraries imported into self-hosted code: graph-based workflows, role-based agents, and message-passing agents respectively.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"dbf4c4959d5da1da494b477be935c8e1cfa58014bfeeecdeee3cbe194172d99f","hash":"a96fd504253df42007089010c71b29ea7b0403c02f424a9246a251c0e21e22dd"},{"ts":"2026-07-24T07:54:12.692Z","model":"claude-fable-5","action":"claim","prompt":"","input":"is-it-langchain c2","response":"MCP was open-sourced in November 2024, its registry launched in preview September 2025, the protocol was donated to the Linux Foundation in December 2025, and its SDKs see roughly 97 million monthly downloads.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"a96fd504253df42007089010c71b29ea7b0403c02f424a9246a251c0e21e22dd","hash":"507c72d28032048d3896d496a799dcc096daf1a4201be90f05f391ccbedce91a"},{"ts":"2026-07-24T07:54:13.120Z","model":"claude-fable-5","action":"claim","prompt":"","input":"is-it-langchain c3","response":"OpenAI's AgentKit Connector Registry consolidates data-source access across ChatGPT and the OpenAI API with centralized credentials and audit logging.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"507c72d28032048d3896d496a799dcc096daf1a4201be90f05f391ccbedce91a","hash":"f7c0a3c6013d12494ae58d3d9e3e568dbebb0f12d295208039814c19849870e7"},{"ts":"2026-07-24T07:54:14.033Z","model":"claude-fable-5","action":"claim","prompt":"","input":"is-it-langchain c4","response":"On June 3, 2026 OpenAI announced Agent Builder and the Evals platform leave the platform on November 30, 2026, while ChatKit and the Connector Registry remain.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"f7c0a3c6013d12494ae58d3d9e3e568dbebb0f12d295208039814c19849870e7","hash":"2aea12aebcdfa4750686505d430ec757ce147968fa819ccecf7e0e4c14f52df0"},{"ts":"2026-07-24T07:54:15.093Z","model":"claude-fable-5","action":"claim","prompt":"","input":"is-it-langchain c5","response":"The miscsubjects kernel replaces coded orchestration with data: 887 directory rows behind one dispatch ingress, with MCP spoken in both directions (import and export). This is a structural comparison, not a superiority claim.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"2aea12aebcdfa4750686505d430ec757ce147968fa819ccecf7e0e4c14f52df0","hash":"c334556af2ae0e90393fd4bc17c405174c447d5c8bb1fb53f5dcac6aa3f5b715"},{"ts":"2026-07-24T16:16:57.147Z","model":"cap:cap_cbe4339b1b46364b","action":"voxel_edit","prompt":"","input":"is-it-langchain d2","response":"Ask what this build is and the reflex answer is a name-check: \"so it's LangChain?\" It isn't, and working out why it isn't turns out to be the fastest way to explain what it actually is. Every external system named on this page has its own standalone reference record — [LangChain](/a/what-is-langchain), [MCP](/a/what-is-mcp), [A2A](/a/what-is-a2a), [AgentKit](/a/what-agentkit-was) — written from primary documents with no mention of this build; this page runs the comparison and cites them. The build itself is one deployed endpoint — `POST /api/dispatch` on a Cloudflare Worker — behind which sits a directory of 887 callable rows: functions, agents, HTTP recipes, whole external MCP servers absorbed as rows. Every call lands in a ledger. Authority is delegated by minting a scoped URL with a time-to-live, a use count, and a stated purpose. None of that is a framework. All of it is what frameworks are sold as helping you build.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"c334556af2ae0e90393fd4bc17c405174c447d5c8bb1fb53f5dcac6aa3f5b715","hash":"eb2969afea858981d0203bc56bf390ed5f9b4df8b907f8a383837a5979a94b88"},{"ts":"2026-07-24T16:16:57.492Z","model":"cap:cap_cbe4339b1b46364b","action":"voxel_edit","prompt":"","input":"is-it-langchain d4","response":"LangChain, LangGraph, CrewAI, AutoGen — the names people reach for — are orchestration libraries you import into a Python process you host yourself. The full reference record is at [What is LangChain](/a/what-is-langchain); the short version: LangChain's own docs reduce the product to \"Agent = Model + Harness,\" with LangGraph as the stateful orchestration engine underneath. CrewAI assigns agents \"distinct roles and goals.\" AutoGen has agents talk to each other through \"asynchronous messages.\" They are ways of arranging LLM calls inside your own code.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"eb2969afea858981d0203bc56bf390ed5f9b4df8b907f8a383837a5979a94b88","hash":"9d64531e09477258fc4fa877ed34358c4b5dbe6652b0bcd22de275053b22addc"},{"ts":"2026-07-24T16:16:57.865Z","model":"cap:cap_cbe4339b1b46364b","action":"voxel_edit","prompt":"","input":"is-it-langchain d8","response":"The honest comparison isn't to any framework. It's to the two protocols the industry converged on — reference records: [What is MCP](/a/what-is-mcp) and [What is A2A](/a/what-is-a2a). MCP — open-sourced November 2024, donated to the Linux Foundation in December 2025, roughly 97 million monthly SDK downloads across Python and TypeScript — standardizes how an agent reaches a tool. A2A, which passed 150 supporting organizations in April 2026, standardizes how agents reach each other.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"9d64531e09477258fc4fa877ed34358c4b5dbe6652b0bcd22de275053b22addc","hash":"5d1ac223037362f4c54385c9f29f585fa374340941671ed6800b2bb4b31ada61"},{"ts":"2026-07-24T16:16:59.366Z","model":"cap:cap_cbe4339b1b46364b","action":"voxel_edit","prompt":"","input":"is-it-langchain d13","response":"The nearest thing a lab ever shipped to this architecture was OpenAI's AgentKit — full reference record at [What AgentKit was](/a/what-agentkit-was): a hosted Agent Builder canvas plus a Connector Registry — \"a unified administrative panel\" that \"consolidates data source access across ChatGPT and the OpenAI API,\" with credential management and audit logging. Registry of connectors, central credential store, audit trail. Same organs, different animal.","tokens_in":0,"tokens_out":0,"cost":0,"prev":"5d1ac223037362f4c54385c9f29f585fa374340941671ed6800b2bb4b31ada61","hash":"abfdbb69ef6ee09dfe56b39739b2ec17d8a1f5d5c5774c5e4f6d46fb27f092af"}]}