effect-facet-unstable-rpc-rpcworker

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Guidance for facet `effect/unstable/rpc/RpcWorker` focused on APIs like Encoded, layerInitialMessage, and makeInitialMessage. Load after `effect-skill-router` when this facet is the primary owner.

TylorS By TylorS schedule Updated 2/21/2026

name: effect-facet-unstable-rpc-rpcworker description: Guidance for facet effect/unstable/rpc/RpcWorker focused on APIs like Encoded, layerInitialMessage, and makeInitialMessage. Load after effect-skill-router when this facet is the primary owner.

Effect Facet unstable/rpc/RpcWorker

Owned scope

  • Owns only effect/unstable/rpc/RpcWorker.
  • Parent module: effect/unstable/rpc.
  • Source anchor: packages/effect/src/unstable/rpc/RpcWorker.ts.

What it is for

  • Module-specific APIs and usage patterns for Effect programs.

API quick reference

  • Encoded
  • layerInitialMessage
  • makeInitialMessage
  • initialMessage
  • InitialMessage
  • Full API list: references/api-reference.md

How to use it

  • Start with constructor-style APIs to build values/services before composing operations.
  • Use schema/codec APIs to validate inputs at boundaries before business logic.
  • Assume unstable APIs can evolve quickly; isolate usage behind thin local adapters.

Starter example

import { RpcWorker } from "effect/unstable/rpc/RpcWorker";

const value = RpcWorker.makeInitialMessage();
const next = RpcWorker.Encoded(value);

Common pitfalls

  • Unstable module contracts may change; avoid coupling core app logic directly to experimental details.
  • Prefer explicit, typed combinators over ad-hoc casting or unchecked assumptions.

Not covered here

  • Sibling facets under the same parent are out of scope:
    • effect-facet-unstable-rpc-rpc (effect/unstable/rpc/Rpc)
    • effect-facet-unstable-rpc-rpcclient (effect/unstable/rpc/RpcClient)
    • effect-facet-unstable-rpc-rpcclienterror (effect/unstable/rpc/RpcClientError)
    • effect-facet-unstable-rpc-rpcgroup (effect/unstable/rpc/RpcGroup)
    • effect-facet-unstable-rpc-rpcmessage (effect/unstable/rpc/RpcMessage)
    • effect-facet-unstable-rpc-rpcmiddleware (effect/unstable/rpc/RpcMiddleware)
    • effect-facet-unstable-rpc-rpcschema (effect/unstable/rpc/RpcSchema)
    • effect-facet-unstable-rpc-rpcserialization (effect/unstable/rpc/RpcSerialization)
    • effect-facet-unstable-rpc-rpcserver (effect/unstable/rpc/RpcServer)
    • effect-facet-unstable-rpc-rpctest (effect/unstable/rpc/RpcTest)
    • effect-facet-unstable-rpc-utils (effect/unstable/rpc/Utils)
  • Parent module ownership belongs to effect-module-unstable-rpc.

Escalate to

  • effect-module-unstable-rpc for parent module-wide workflows.
  • effect-skill-router for cross-module routing and ownership checks.

Reference anchors

  • Facet source: packages/effect/src/unstable/rpc/RpcWorker.ts
  • Parent tests: packages/effect/test/cluster/MessageStorage.test.ts
  • Parent tests: packages/effect/test/rpc/Rpc.test.ts
  • API details: references/api-reference.md
  • Usage notes: references/usage-reference.md
  • Ownership mapping: references/owner.md
Install via CLI
npx skills add https://github.com/TylorS/typed-smol --skill effect-facet-unstable-rpc-rpcworker
Repository Details
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