{"id":"ag-ui","name":"AG-UI Protocol","url":"https://github.com/ag-ui-protocol/ag-ui","category":["agent-protocol","user-interface","interoperability","specification","developer-tooling"],"one_liner":"Open Agent-User Interaction protocol for connecting agent backends to user-facing applications. AG-UI defines a run input, typed ordered event streams, lifecycle/text/tool/state/reasoning/subagent events, HTTP+SSE and HT","a_score":40,"band":"unverified","provisional_band":"ready","dimensions":{"access":25,"payment":25,"interface":18,"completion":null,"docs":10},"permission":{"status":"granted","source":"https://raw.githubusercontent.com/ag-ui-protocol/ag-ui/main/LICENSE"},"blocker":{"kind":"none"},"how_to_use":{"interface":"rest","mcp":null,"openapi":null,"base_url":null,"payment":{"model":"free","currencies":["USD"],"reference_task_cost_usd":0}},"verified":{"verdict":"not-attempted","at":"2026-09-16","human_interventions":0,"transcript_sha":null},"rubric":"sha256:cd605a44799f49951bf078fda63c5b21ad3c07db494f41d38ad19ce729c5551a","last_verified_at":"2026-09-16","audit_url":"/entry/ag-ui/audit.json","compact_note":"Public machine card is compacted for FANA scanner compatibility and deployment size. Full source entry and signed audit event body remain in the ag3ntsearch git tree; audit_url publishes hash-chain provenance."}