Support and limitations

Agent Native 1.0.0 promises stable contracts for the entry points in stability. The repository documents local fixtures, narrowly verified hosts and one real deployment (Domain Expansion); publication of the package does not certify every production deployment.

Fixture-tested surfaces

The repository contains local examples for static Astro (E01), Astro on-demand (E02), Next App Router (E03), a Worker sidecar (E04), Node/Hono with CLI (E05), browser-only fallback (E06), protected grants (E07), reusable composition (E08), MCP Apps (E09), existing function retrofit (E10), diagnostics fault lab (E11), and shared unit conversion (E12). Open each guide's source links and evidence notes for the pinned environment and exact scope. A fixture result applies to the commit and tools used for that run; it does not imply universal compatibility.

The local MCP checks use official SDK client/server packages. The browser draft checks use a simulated WebMCP API, and E01/E06 also passed in native Chrome 155 WebMCP with the opt-in feature enabled. E09 exercises the official MCP Apps protocol components locally, but a commercial host's iframe behavior and prompts remain unverified. Two commercial agent hosts, Antigravity CLI and Claude Code, invoked the flagship E04 tool over remote MCP (evidence).

Outside current support

All twelve independent example exports and source-backed guide snippets run in CI, but this does not supply real-host evidence.
Provider deployment, MCP Apps rendering in commercial hosts, shipping browser agents, default-enabled browser WebMCP, physical devices, and outsider installation are not yet certified.
OAuth issuance, durable production grant storage, application record policy, deployment ownership, and hosting remain application responsibilities.
The package has no global executable. Applications call the programmatic APIs or own their CLI runner; see installation.

See installation, doctor and troubleshooting, framework support, fixture compatibility, and the individual adapter surfaces for narrower statements. Report documentation problems through the repository's GitHub issues; this link uses the actual public repository issue route.