generated: '2026-09-19' method: searched source: https://kimetsu.dev/docs/changelog/ (SemVer statement), https://kimetsu.dev/docs/remote/ (beta notice), https://kimetsu.dev/docs/contributing/ (branch and release process), openapi/kimetsu-dev-agent-gateway-openapi.yml (info.version), a2a/kimetsu-dev-a2a.yml (A2A 0.3 + 1.0 negotiation), https://github.com/RodCor/kimetsu/releases/latest; /status, /pricing, /terms, /privacy on kimetsu.dev all 404 on 2026-09-19. versioning: scheme: semver (product) + semver info.version (gateway OpenAPI) + A2A protocol negotiation by header current: 2.8.0 current_released: '2026-09-09' gateway_api_version: 1.0.0 mechanism: 'Product releases are git tags vX.Y.Z cut from main that drive the release workflow (npm, crates.io and GitHub Release archives ship together). The gateway OpenAPI carries info.version 1.0.0 and no version path segment or header; the A2A surface negotiates protocol generation with the A2A-Version request header (0.3 default, 1.0 on request, Vary: A2A-Version). brain.db carries its own schema number (15 at v2.8.0) and upgrades in place when opened by a newer binary.' docs: https://kimetsu.dev/docs/changelog/ protocol_versions: a2a: - '0.3' - '1.0' mcp: local stdio; protocol version negotiated per host, not published deprecation: policy_url: null sunset_header: false statement: '"From v1.0.0 onward the project follows SemVer normally: patch releases are bug-fix-only, minor releases are backward-compatible additions, and breaking changes require a major bump." (changelog preamble). This is a compatibility commitment, not a deprecation/sunset policy with notice periods, so no Deprecation pointer is emitted.' notes: 'Legacy surfaces kept without a stated end date: the pre-0.3 A2A card path /.well-known/agent.json (byte-identical to the canonical card) and the pre-cutover discovery alias /well-known/kimetsu-agents.json (llms.txt: "the canonical /.well-known alias activates with the Cloudflare cutover" — both now answer 200). Kimetsu Remote is explicitly beta: "may have rough edges or breaking changes before the stable release."' support_lifetime: stated_period: null note: No support window or end-of-life statement; `kimetsu update` always moves to the latest GitHub Release. sla: url: null uptime_target: null notes: No SLA. The gateway is a free anonymous discovery service; the product runs on the user's own machine. status_page: null status_page_note: No status page found (/status 404; none linked from the site, llms.txt, the gateway directory or the GitHub repos). The gateway exposes GET /health ({"status":"ok","mode":"public-read-only"}) and Kimetsu Remote exposes unauthenticated /healthz and /metrics, which are liveness probes, not an incident surface. changelog: changelog/kimetsu-dev-changelog.yml stage: product: active (v2.8.0, 2026-09-09; 8 releases in 90 days) kimetsu_remote: beta sidequest_commons: public alpha v0.2.0 (per https://kimetsu.dev/projects/) agent_gateway: active (gateway directory status field; OpenAPI 1.0.0) deprecated_operations: []