diff --git a/packages/workflow-agent-cursor/src/index.ts b/packages/workflow-agent-cursor/src/index.ts
index b3a7fec..35fe017 100644
--- a/packages/workflow-agent-cursor/src/index.ts
+++ b/packages/workflow-agent-cursor/src/index.ts
@@ -12,7 +12,6 @@ import type { CursorAgentConfig } from "./types.js";
 import { validateCursorAgentConfig } from "./validate-config.js";
 
 export type { CursorAgentConfig } from "./types.js";
-export { validateCursorAgentConfig } from "./validate-config.js";
 
 function throwCursorSpawnError(error: SpawnCliError): never {
   if (error.kind === "non_zero_exit") {
diff --git a/packages/workflow-agent-hermes/src/index.ts b/packages/workflow-agent-hermes/src/index.ts
index 2ab9273..0027c81 100644
--- a/packages/workflow-agent-hermes/src/index.ts
+++ b/packages/workflow-agent-hermes/src/index.ts
@@ -14,7 +14,6 @@ const HERMES_DEFAULT_MAX_TURNS = 90;
 type HermesAgentOpt = { prompt: string };
 
 export type { HermesAgentConfig } from "./types.js";
-export { validateHermesAgentConfig } from "./validate-config.js";
 
 function throwHermesSpawnError(error: SpawnCliError): never {
   if (error.kind === "non_zero_exit") {
diff --git a/packages/workflow-cas/src/index.ts b/packages/workflow-cas/src/index.ts
index a388e03..3686f59 100644
--- a/packages/workflow-cas/src/index.ts
+++ b/packages/workflow-cas/src/index.ts
@@ -1,29 +1,16 @@
 export { createCasStore } from "./cas.js";
-export { collectRefs } from "./collect-refs.js";
-export { hashString, hashWorkflowBundleBytes } from "./hash.js";
+export { hashWorkflowBundleBytes } from "./hash.js";
 export {
   createContentMerkleNode,
   getContentMerklePayload,
-  parseMerkleNode,
   putContentMerkleNode,
-  putStepMerkleNode,
-  putThreadMerkleNode,
   serializeMerkleNode,
 } from "./merkle.js";
-export type { ParsedCasThreadNode } from "./nodes.js";
 export {
-  isCasNodeYaml,
   parseCasThreadNode,
   putContentNodeWithRefs,
   putStartNode,
   putStateNode,
-  serializeCasNode,
 } from "./nodes.js";
 export { findReachableHashes } from "./reachable.js";
-export type {
-  CasStore,
-  MerkleNode,
-  MerkleNodeType,
-  StepMerklePayload,
-  ThreadMerklePayload,
-} from "./types.js";
+export type { CasStore } from "./types.js";
diff --git a/packages/workflow-execute/src/index.ts b/packages/workflow-execute/src/index.ts
index 682477d..92b477f 100644
--- a/packages/workflow-execute/src/index.ts
+++ b/packages/workflow-execute/src/index.ts
@@ -1,48 +1,22 @@
-export { createWorkflow } from "./engine/create-workflow.js";
-export { executeThread } from "./engine/engine.js";
 export {
   FORK_BRANCH_ROLE,
   prepareCasFork,
-  tryParseWorkflowResultRecord,
   walkStateFramesNewestFirst,
 } from "./engine/fork-thread.js";
 export { garbageCollectCas } from "./engine/gc.js";
-export { createThreadPauseGate } from "./engine/thread-pause-gate.js";
 export type {
   ThreadHistoryEntry,
   ThreadIndex,
   ThreadIndexEntry,
 } from "./engine/threads-index.js";
 export {
-  appendThreadHistoryEntry,
   getBundleDir,
   readThreadsIndex,
   removeThreadEntry,
   removeThreadHistoryEntries,
   upsertThreadEntry,
-  writeThreadsIndex,
 } from "./engine/threads-index.js";
-export type {
-  CasForkPlan,
-  ChainState,
-  ExecuteThreadIo,
-  ExecuteThreadOptions,
-  ForkContinuationOptions,
-  GcResult,
-  PrefilledDiskStep,
-  SupervisorDecision,
-  ThreadPauseGate,
-} from "./engine/types.js";
-export { EMPTY_CHAIN_STATE } from "./engine/types.js";
+export type { GcResult } from "./engine/types.js";
 export { getWorkerHostScriptPath } from "./engine/worker-entry-path.js";
-export type { ExtractFn, LlmError, LlmExtractArgs } from "./extract/index.js";
-export {
-  createExtract,
-  extractFunctionToolFromZodSchema,
-  llmErrorToCause,
-  llmExtract,
-} from "./extract/index.js";
+export { createExtract } from "./extract/index.js";
 export { type WorkflowAdapterOptions, workflowAdapter } from "./workflow-adapter.js";
-
-/** @deprecated Use {@link workflowAdapter} instead. */
-export { type WorkflowAsAgentOptions, workflowAsAgent } from "./workflow-as-agent.js";
diff --git a/packages/workflow-reactor/src/index.ts b/packages/workflow-reactor/src/index.ts
index 80f2ab2..af4cadc 100644
--- a/packages/workflow-reactor/src/index.ts
+++ b/packages/workflow-reactor/src/index.ts
@@ -3,10 +3,6 @@ export { createThreadReactor } from "./thread-reactor.js";
 export type {
   ChatMessage,
   LlmFn,
-  StructuredToolSpec,
-  ThreadReactorConfig,
   ThreadReactorFn,
-  ThreadReactorInvokeArgs,
-  ToolCall,
   ToolDefinition,
 } from "./types.js";
diff --git a/packages/workflow-register/src/bundle/index.ts b/packages/workflow-register/src/bundle/index.ts
index 7c0f318..fe0f548 100644
--- a/packages/workflow-register/src/bundle/index.ts
+++ b/packages/workflow-register/src/bundle/index.ts
@@ -6,10 +6,5 @@ export { stringifyWorkflowDescriptor } from "./generate-descriptor.js";
 export type {
   ExtractedBundleExports,
   WorkflowBundleValidationInput,
-  WorkflowDescriptor,
-  WorkflowGraph,
-  WorkflowGraphEdge,
-  WorkflowRoleDescriptor,
-  WorkflowRoleSchema,
 } from "./types.js";
 export { validateWorkflowDescriptor } from "./workflow-descriptor.js";
diff --git a/packages/workflow-register/src/index.ts b/packages/workflow-register/src/index.ts
index 930662d..26b974f 100644
--- a/packages/workflow-register/src/index.ts
+++ b/packages/workflow-register/src/index.ts
@@ -1,11 +1,6 @@
 export type {
   ExtractedBundleExports,
   WorkflowBundleValidationInput,
-  WorkflowDescriptor,
-  WorkflowGraph,
-  WorkflowGraphEdge,
-  WorkflowRoleDescriptor,
-  WorkflowRoleSchema,
 } from "./bundle/index.js";
 export {
   buildDescriptor,
@@ -19,18 +14,15 @@ export type { ProviderConfig, ResolvedModel } from "./config/index.js";
 export { resolveModel, splitProviderModelRef } from "./config/index.js";
 export type {
   WorkflowConfig,
-  WorkflowHistoryEntry,
   WorkflowRegistryEntry,
   WorkflowRegistryFile,
 } from "./registry/index.js";
 export {
   getRegisteredWorkflow,
   listRegisteredWorkflowNames,
-  parseWorkflowRegistryYaml,
   readWorkflowRegistry,
   registerWorkflowVersion,
   rollbackWorkflowToHistoryHash,
-  stringifyWorkflowRegistryYaml,
   unregisterWorkflow,
   workflowRegistryPath,
   writeWorkflowRegistry,
diff --git a/packages/workflow-runtime/src/index.ts b/packages/workflow-runtime/src/index.ts
index 3a751f1..db8e94d 100644
--- a/packages/workflow-runtime/src/index.ts
+++ b/packages/workflow-runtime/src/index.ts
@@ -2,7 +2,6 @@ export { buildThreadContext } from "./build-context.js";
 export { createWorkflow } from "./create-workflow.js";
 export { err, ok } from "./result.js";
 export type {
-  AdapterBinding,
   AdapterFn,
   AgentContext,
   AgentFn,
@@ -14,7 +13,6 @@ export type {
   ModeratorCondition,
   ModeratorContext,
   ModeratorTable,
-  ModeratorTransition,
   Result,
   RoleDefinition,
   RoleFn,
@@ -22,17 +20,11 @@ export type {
   RoleOutput,
   RoleResult,
   RoleStep,
-  StartStep,
   ThreadContext,
   WorkflowCompletion,
   WorkflowDefinition,
-  WorkflowDescriptor,
   WorkflowFn,
-  WorkflowGraph,
-  WorkflowGraphEdge,
   WorkflowResult,
-  WorkflowRoleDescriptor,
-  WorkflowRoleSchema,
   WorkflowRuntime,
-} from "./types.js";
-export { END, START } from "./types.js";
+} from "@uncaged/workflow-protocol";
+export { END, START } from "@uncaged/workflow-protocol";
diff --git a/packages/workflow-util-agent/src/index.ts b/packages/workflow-util-agent/src/index.ts
index 88d0daf..8a8c621 100644
--- a/packages/workflow-util-agent/src/index.ts
+++ b/packages/workflow-util-agent/src/index.ts
@@ -1,5 +1,4 @@
-export { buildAgentPrompt, buildThreadInput } from "./build-agent-prompt.js";
-export type { ExtractOptionsFn } from "./create-agent-adapter.js";
-export { createAgentAdapter, createSimpleAgentAdapter } from "./create-agent-adapter.js";
-export type { SpawnCliConfig, SpawnCliError, SpawnCliResult } from "./spawn-cli.js";
+export { buildThreadInput } from "./build-agent-prompt.js";
+export { createAgentAdapter } from "./create-agent-adapter.js";
+export type { SpawnCliError } from "./spawn-cli.js";
 export { spawnCli } from "./spawn-cli.js";
diff --git a/packages/workflow-util/src/index.ts b/packages/workflow-util/src/index.ts
index ea30c37..bd8a3de 100644
--- a/packages/workflow-util/src/index.ts
+++ b/packages/workflow-util/src/index.ts
@@ -1,14 +1,8 @@
 export { err, ok } from "@uncaged/workflow-protocol";
-export {
-  CROCKFORD_BASE32_ALPHABET,
-  decodeCrockfordBase32Bits,
-  decodeCrockfordToUint64,
-  encodeCrockfordBase32Bits,
-  encodeUint64AsCrockford,
-} from "./base32.js";
+export { encodeUint64AsCrockford } from "./base32.js";
 export { env } from "./env.js";
 export { createLogger } from "./logger.js";
-export { mergeRefsWithContentHash, normalizeRefsField } from "./refs-field.js";
+export { normalizeRefsField } from "./refs-field.js";
 export { getDefaultWorkflowStorageRoot, getGlobalCasDir } from "./storage-root.js";
-export type { CreateLoggerOptions, LogFn, LoggerSink, Result } from "./types.js";
+export type { LogFn, Result } from "./types.js";
 export { generateUlid } from "./ulid.js";