# LangChain explains five components for building a company agent harness

> Original title: The five components of building a "company harness"

- Source: LangChain Blog
- Published: 2026-10-24T04:00:00.000Z
- Bad Influence: https://badinfluence.news/items/r0iu7q4nb052991w8ah1jjv0j
- Original: https://www.langchain.com/blog/components-building-company-harness

## Summary

LangChain describes five core components for a company harness, based on its internal GTM Agent, OpenSWE, and Content Studio agents. The post covers Slack-based user experience, identity handling on behalf of users or with fixed credentials, two-tier memory, sandboxed code execution, and scheduled background runs. All three agents are built on Managed Deep Agents, which sits on the open source Deep Agents harness.

## Why it matters

The post explains how LangChain's internal agents handle Slack UX, identity, memory, sandboxes, and scheduled runs, giving a reusable checklist for building company agents.