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MarshalSDKOverview

Marshal SDK

The Marshal SDK is the application surface for integrating agent frameworks and custom runtimes with Marshal, Exemplar’s agentic harness toolkit—long-term memory, skills, HITL approvals, prompts, Relay policy adapters, session ingest, and MCP tools.

LanguagePackageRegistry
Pythonexemplar-harness-sdkPyPI
TypeScript@exemplar-dev/exemplar-harness-typescript-sdknpm

Use the SDK when you embed Marshal in application code or orchestrators. Prefer the CLI (exemplar-cli) for terminal workflows.

Python package and import names still use exemplar-harness / Harness today; the product name is Marshal.

Topics

Install and authenticateClient usageLive examples

Python: exemplar-harness-sdk · GitHub 

TypeScript: @exemplar-dev/exemplar-harness-typescript-sdk · GitHub 

Tokens: Account Settings.

Quick example

Python

from exemplar_harness import Harness
 
harness = Harness.from_env()
memory = harness.memory(user_id="user-123", session_id="chat-abc", app_id="my-app")
 
memory.add("User prefers bullet-point answers.", memory_type="preference")
context = memory.recall("how should I format answers?", format="markdown")
hits = memory.search("formatting", search_mode="hybrid", top_k=5)

TypeScript

import { Harness } from "@exemplar-dev/exemplar-harness-typescript-sdk";
 
const harness = Harness.fromEnv({ agentId: "support-bot" });
const memory = harness.memory({
  userId: "user-123",
  sessionId: "chat-abc",
  appId: "my-app",
});
 
await memory.add("User prefers bullet-point answers.", { memoryType: "preference" });
const context = await memory.recall("how should I format answers?", { format: "markdown" });
const hits = await memory.search("formatting", { searchMode: "hybrid", topK: 5 });
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Human-in-the-loopInstall and authenticate