diff --git a/examples/sentiment.ts b/examples/sentiment.ts
index b36e3cd..0c30539 100644
--- a/examples/sentiment.ts
+++ b/examples/sentiment.ts
@@ -13,12 +13,12 @@ export async function main() {
   )
     .input(z.object({ texts: z.string().array() }))
     .output(z.array(z.object({ text: z.string(), label: z.string() })))
-    .examples([
-      { input: 'The food was digusting', output: 'negative' },
-      { input: 'We had a fantastic night', output: 'positive' },
-      { input: 'Recommended', output: 'positive' },
-      { input: 'The waiter was rude', output: 'negative' }
-    ])
+    // .examples([
+    //   { input: 'The food was digusting', output: 'negative' },
+    //   { input: 'We had a fantastic night', output: 'positive' },
+    //   { input: 'Recommended', output: 'positive' },
+    //   { input: 'The waiter was rude', output: 'negative' }
+    // ])
     .call({
       texts: [
         'I went to this place and it was just so awful.',
diff --git a/readme.md b/readme.md
index 99406ef..33f316f 100644
--- a/readme.md
+++ b/readme.md
@@ -15,6 +15,7 @@
 - [Development](#development)
   - [Environment](#environment)
   - [Local Testing](#local-testing)
+  - [Scratch](#scratch)
 - [License](#license)
 
 ## Intro
@@ -55,6 +56,27 @@ Ensure you have `REDIS_URL_TEST` set to a valid redis connection URL.
 pnpm test
 ```
 
+### Scratch
+
+- `@agentic/core`
+  - Task, Agentic, logging, caching, types, constants
+- `@agentic/human-feedback`
+- `@agentic/human-feedback-cli`
+- `@agentic/human-feedback-sms`
+- `@agentic/human-feedback-slack`
+- `@agentic/experimenation`
+- `@agentic/tools`
+- `@agentic/tools-serpapi`
+- `@agentic/tools-metaphor`
+- `@agentic/tools-browser`
+- `@agentic/tools-multion`
+- `@agentic/llms`
+- `@agentic/llms-openai`
+- `@agentic/llms-anthropic`
+- `@agentic/llms-huggingface`
+- `@agentic/agents`
+- `@agentic/cli`
+
 ## License
 
 MIT © [Travis Fischer](https://transitivebullsh.it)
diff --git a/scratch/declarative-design-jsx-0.tsx b/scratch/declarative-design-jsx-0.tsx
index 9617680..e4ff702 100644
--- a/scratch/declarative-design-jsx-0.tsx
+++ b/scratch/declarative-design-jsx-0.tsx
@@ -30,6 +30,9 @@ async function ExampleLLMQuery({ texts }: { texts: string[] }) {
     >
       <System>You are an expert sentiment-labelling assistant</System>
 
+      {/* <ConversationHistory /> */}
+      {/* <PineconeMemory /> */}
+
       <User>
         Label the following texts as positive or negative:
         {/* {texts.map((text) => `- ${text}\n`)} */}
diff --git a/src/llm.ts b/src/llm.ts
index 719757b..7893ea0 100644
--- a/src/llm.ts
+++ b/src/llm.ts
@@ -86,12 +86,6 @@ export abstract class BaseLLM<
     this._modelParams = { ...this._modelParams, ...params } as TModelParams
     return this
   }
-
-  // TODO
-  // abstract stream({
-  //   input: TInput,
-  //   onProgress: types.ProgressFunction
-  // }): Promise<TOutput>
 }
 
 export abstract class BaseChatModel<
@@ -117,9 +111,9 @@ export abstract class BaseChatModel<
     messages: types.ChatMessage[]
   ): Promise<types.BaseChatCompletionResponse<TChatCompletionResponse>>
 
-  override async call(
+  protected override async _call(
     input?: types.ParsedData<TInput>
-  ): Promise<types.ParsedData<TOutput>> {
+  ): Promise<types.TaskResponse<TOutput>> {
     if (this._inputSchema) {
       const inputSchema =
         this._inputSchema instanceof z.ZodType
@@ -248,9 +242,15 @@ export abstract class BaseChatModel<
 
       // TODO: handle errors, retry logic, and self-healing
 
-      return outputSchema.parse(output)
+      return {
+        result: outputSchema.parse(output),
+        metadata: {}
+      }
     } else {
-      return output
+      return {
+        result: output,
+        metadata: {}
+      }
     }
   }
 }
diff --git a/src/task.ts b/src/task.ts
index 051291e..60655b5 100644
--- a/src/task.ts
+++ b/src/task.ts
@@ -6,8 +6,12 @@ import { Agentic } from './agentic'
 /**
  * A `Task` is a typed, async function call that may be non-deterministic.
  *
+ * Invoking a task is equivalent to sampling from a probability distribution.
+ *
  * Examples of tasks include:
  *    - LLM calls
+ *    - Chain of LLM calls
+ *    - Retrieval task
  *    - API calls
  *    - Native function calls
  *    - Invoking sub-agents
@@ -17,8 +21,9 @@ export abstract class BaseTask<
   TOutput extends ZodRawShape | ZodTypeAny = ZodTypeAny
 > {
   protected _agentic: Agentic
-  protected _timeoutMs: number | undefined
-  protected _retryConfig: types.RetryConfig | undefined
+
+  protected _timeoutMs?: number
+  protected _retryConfig?: types.RetryConfig
 
   constructor(options: types.BaseTaskOptions) {
     this._agentic = options.agentic
@@ -45,9 +50,21 @@ export abstract class BaseTask<
     return this
   }
 
-  public abstract call(
+  public async call(
     input?: types.ParsedData<TInput>
-  ): Promise<types.ParsedData<TOutput>>
+  ): Promise<types.ParsedData<TOutput>> {
+    return this._call(input).then((response) => response.result)
+  }
+
+  public async callWithMetadata(
+    input?: types.ParsedData<TInput>
+  ): Promise<types.TaskResponse<TOutput>> {
+    return this._call(input)
+  }
+
+  protected abstract _call(
+    input?: types.ParsedData<TInput>
+  ): Promise<types.TaskResponse<TOutput>>
 
   // TODO
   // abstract stream({
diff --git a/src/tools/metaphor.ts b/src/tools/metaphor.ts
index 7f92bf0..0680ab5 100644
--- a/src/tools/metaphor.ts
+++ b/src/tools/metaphor.ts
@@ -1,5 +1,6 @@
 import { z } from 'zod'
 
+import * as types from '../types'
 import { Agentic } from '../agentic'
 import { MetaphorClient } from '../services/metaphor'
 import { BaseTask } from '../task'
@@ -57,15 +58,20 @@ export class MetaphorSearchTool extends BaseTask<
     return MetaphorSearchToolOutputSchema
   }
 
-  override async call(
+  protected override async _call(
     input: MetaphorSearchToolInput
-  ): Promise<MetaphorSearchToolOutput> {
+  ): Promise<types.TaskResponse<typeof MetaphorSearchToolOutputSchema>> {
     // TODO: handle errors gracefully
     input = this.inputSchema.parse(input)
 
-    return this._metaphorClient.search({
+    const result = await this._metaphorClient.search({
       query: input.query,
       numResults: input.numResults
     })
+
+    return {
+      result,
+      metadata: {}
+    }
   }
 }
diff --git a/src/types.ts b/src/types.ts
index ecd6a46..310cfb1 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -105,4 +105,12 @@ export interface RetryConfig {
   strategy: string
 }
 
+export interface TaskResponse<
+  TOutput extends ZodRawShape | ZodTypeAny = z.ZodType<string>,
+  TMetadata extends Record<string, any> = Record<string, any>
+> {
+  result: ParsedData<TOutput>
+  metadata: TMetadata
+}
+
 // export type ProgressFunction = (partialResponse: ChatMessage) => void