@openmaxai/openmax-agent-sdk

CWS agent runtime SDK — the cws-comm protocol layer extracted from zylos-openmax, so a Node.js agent runtime (Claude Code, Codex, OpenClaw) can connect to COCO Workspace without depending on Zylos internals.

Scope of this package. This is a Node.js / ESM SDK. It serves Node runtimes and their thin Node adapters — it is not the cross-language protocol contract. A non-Node runtime (e.g. a Python/Hermes SDK) does not consume this package; it re-implements the same wire protocol against the canonical, language-neutral contract in schemas/v1/ + fixtures/v1/ (see CONTRACT.md). Treat the JS types/shapes here as one conformant implementation, not as the source of truth for other languages.

Design: 协议归协议、runtime 归 runtime. This package is Layer 1 (shared protocol) for Node. Runtime-specific bridging lives in thin Layer 2 adapter repos (*-openmax) that import this SDK. Mirrors the @coco-xyz/hxa-connect-sdk + adapter precedent.

Installation

npm i @openmaxai/openmax-agent-sdk

1.0.0 is the first stable release. A bare npm i @openmaxai/openmax-agent-sdk resolves it via the latest dist-tag. Pre-1.0 alphas remain available under the alpha dist-tag for history.

Cutting a new version? See RELEASING.md for the exact files to bump and the release flow.

In the SDK (generic CWS + agent-level concerns):

• transport/ — WsClient (auth, heartbeat, client keepalive-ping + frame-watchdog, exponential-backoff reconnect, 4001–4006 close-code handling), HTTP client (native fetch + auth), CF-Access headers, token/identity management.
• protocol/ — frame dispatch, message codec (CWS message ↔ neutral shape), access policy, system-message handling.
• sync/ — SyncEngine (/sync gap catch-up) + inbox-ledger (dedup + contiguous ack).
• services/ — tm / kb / as / comm / core / conn service clients over the cws-core REST API.
• reporters/ — agent-level online-report + runtime metrics (+ cgroup resources, billing status). (No channel-liveness — that is Zylos-specific, see below.)
• identity/ — agent-domain resolution, self-name hydration.
• orchestrator.js — a single instantiable class that wires the above (the protocol orchestration currently inlined in comm-bridge.js).
• providers.js — injection interfaces so the SDK never touches a runtime's filesystem/process manager directly.

NOT in the SDK (Zylos/openmax adapter-only, owner decision 2026-07-17):

• channel-liveness — enumerating the 13 IM-channel components' pm2 status. Not done here at all.
• the 13 IM channels — install / management / connection (channel-connector), which are coupled to pm2 + the zylos CLI.

These stay entirely inside the zylos-openmax adapter.

Providers (dependency injection)

The SDK is environment-agnostic. A runtime adapter supplies:

• StorageProvider — read/write config + cached credentials (no hard-coded ~/zylos paths).
• RuntimeStateProvider — runtime metrics/state for the online + metrics reporters.
• InboundDelivery — the core translation point: deliver an inbound CWS message into the runtime's context (Cat.A native channel, or Cat.B /wake).
• Logger — structured logging sink.

Each provider has a safe no-op/degraded default.

Orchestrator — the integration surface

CwsAgentBridge (src/orchestrator.js) is the one class an adapter instantiates. It composes every module above into a working agent: per-org WS lifecycle (open → first-connect initSyncSeq or reconnect catch-up → seed inbox-ledger → arm reporters → self-name hydration barrier), the protocol-generic inbound pipeline (dedupe → fetch detail → normalize → access-policy decideInbound → InboundDelivery.deliver), frame dispatch, ledger↔sync-engine wiring, and protocol-generic system-frame handling.

const bridge = new CwsAgentBridge({
  http,                       // CwsHttpClient
  tokenManager,               // TokenManager (mints ws-tickets; optional in tests)
  ws: { baseUrl, reconnectMaxMs, heartbeatIntervalMs, pingIntervalMs, deviceId, clientVersion },
  orgConfigs,                 // [{ org_id, self, owner, access }] — orgs are keyed by org_id
  providers: { storage, runtimeState, inbound, logger },   // inbound is the required seam
  callbacks: { /* adapter seams, all optional — see below */ },
  reporters: { metrics, metricsIntervalMs, version },
});
await bridge.start();         // bootstrap tokens + self-name, open WS pool, arm reporters
await bridge.send(endpoint, content, { orgId, replyTo });   // outbound reply → cws-core
await bridge.stop();          // disarm all timers, close every WS + ledger, no leaks

Required: providers.inbound.deliver(msg, endpoint, priority) — the SDK hands it a normalized InboundMessage after access policy; the adapter does the actual runtime bridging (Cat.A native channel / Cat.B POST /wake). INVARIANT: resolve {ok:true} only once the message genuinely entered the runtime context (a false ack loses the message — the ledger//sync retry stops).

Adapter callbacks (seams the SDK never implements): loadSession/saveSession (sync cursor), loadConfig/syncSelf (self-name hydration inputs), fetchMemberOwner (sibling-agent DM exemption), onOwnerBind/onOwnerNameHint (owner hints → config), onConfigEvent (agent.config.* → adapter persists, SDK does not), onSystemNotice (policy-gated recall/edit → adapter formats + delivers), onConnectionEvent/onChannelEvent (connection/channel frames → adapter), onOrgTerminated/onAllOrgsTerminated.

Still adapter-owned (behind InboundDelivery / callbacks): C4 forwarding + formatInboundForC4 + work-reference formatting, media download, group-history/context assembly, quoted-message expansion, receive-reactions/typing, config.json persistence, pm2 channel install/liveness, auto-upgrade, the argv CLI shells, and dashboard/api-key provisioning. The orchestrator.js header block enumerates the full contract.

Protocol contract (canonical, language-neutral)

The source of truth for the wire protocol is not this JS code — it is the versioned, language-neutral contract that ships alongside it:

• schemas/v1/ — JSON Schema (draft 2020-12) for each protocol surface: frame, inbound-message, wake-request, wake-result, failure-class, plus the auth-lifecycle.md state machine. Each schema is $id- and version-tagged.
• fixtures/v1/ — shared golden {input, expected} fixtures (frame/system-event classification, normalized inbound messages, wake req/result). Passing this corpus is the definition of "protocol-conformant" in any language.

This JS SDK is one conformant implementation. test/contract.test.js feeds the fixtures through the real SDK (classifyFrame / classifySystemEvent / the full CwsAgentBridge inbound pipeline) and validates the output against the schemas — so any drift between the code and the contract fails the build. A future Python/Hermes SDK runs the identical fixtures against the identical schemas. See CONTRACT.md for the full contract and its flagged looseness.

Language

Plain JavaScript / ESM, no build step (matches zylos-openmax; owner decision 2026-07-17 — TS and JS are runtime-identical). Optional hand-written types/*.d.ts may be added later for consumer type hints without adopting a TS build.

This package targets Node.js only (see engines.node >= 20). It is not published for, nor consumable by, other language runtimes — those bind to the wire protocol directly. The plan for a shared, language-neutral contract is in CONTRACT.md.

Status

1.0.0 — first stable release. Phase A extraction complete: transport, protocol, sync, services (tm/kb/as/comm/core/conn), reporters (agent-level), identity, and the CwsAgentBridge orchestrator, plus the canonical schemas/v1/ + fixtures/v1/ protocol contract with a self-verifying conformance test — full suite green via node --test, 0 coupling to Zylos internals. Next: Phase B — refactor zylos-openmax to consume this SDK, then int→prod parity verification (WS keepalive/watchdog focus). See the design doc for the full module map, cut line, wake contract, and migration phasing.