The Agent-Native SDK · 10.01
One Typed Registry: agentis.*
The whole platform exposed as one typed SDK — every call returns { ok, result|error, costCents, durationMs } with a compass.next hint.
One registry inside; a compact gateway outside
The full typed registry remains the internal source of truth, but MCP clients receive at most six progressive-disclosure operations instead of every schema at once. They orient, search, describe, and call only the capability they need, or use bounded code mode for composition. Policy is still checked by the registry on every inner call, so the smaller prompt surface changes discovery cost, not authority. See The MCP Plane for the exact gateway contract.
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SSRF protection on every outbound call, secrets resolved from the vault at call time, and rate limiting plus security headers at the edge.
Agents compose behavior as async JavaScript against a single agentis.* object — dramatically fewer round-trips and far less drift than multi-tool JSON choreography.