ACP implementation bringing 31 CLI tools into t3code

AGENTS.md

@@ -45,6 +45,16 @@ Docs:
 
 - Codex App Server docs: https://developers.openai.com/codex/sdk/#app-server
 
+## ACP Registry
+
+In addition to the four bespoke providers (Codex, Claude, Cursor, OpenCode),
+T3 Code bundles a snapshot of the
+[Agent Client Protocol registry](https://agentclientprotocol.com/get-started/registry)
+and exposes a provider installer at **Settings → Providers**. See
+[docs/providers/acp-registry.md](./docs/providers/acp-registry.md) for the
+install pipeline, distribution channels, and how to refresh the bundled
+snapshot (`bun run sync:acp-registry`).
+
 ## Reference Repos
 
 - Open-source Codex repo: https://github.com/openai/codex

apps/server/src/acpRegistry/AcpRegistryService.test.ts

@@ -0,0 +1,14 @@
+import { describe, expect, it } from "vitest";
+
+import { authProbeTimeoutForDistribution } from "./AcpRegistryService.ts";
+
+describe("authProbeTimeoutForDistribution", () => {
+  it("keeps binary auth probes tight", () => {
+    expect(authProbeTimeoutForDistribution("binary")).toBe("4 seconds");
+  });
+
+  it("gives package-managed agents more first-start time", () => {
+    expect(authProbeTimeoutForDistribution("npx")).toBe("25 seconds");
+    expect(authProbeTimeoutForDistribution("uvx")).toBe("25 seconds");
+  });
+});