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— Agent harnesses ▸ ACP ▸ DeepAgents

DeepAgents, inside Glueprint.

Batteries-included AI coding and general purpose agent powered by LangChain. Glueprint runs DeepAgents over the Agent Client Protocol it already speaks — adding live sessions on every device, approvals from your phone, parallel worktrees, schedules, and memory.

DeepAgents

LangChain

Agent
DeepAgents
Maintainer
LangChain
Connection
Agent Client Protocol
Wire format
JSON-RPC 2.0 over stdio
Registry version
0.1.7
License
MIT

What is DeepAgents?

DeepAgents is an open-source agent harness built by LangChain on top of LangGraph, distributed as the npm package deepagents and released under the MIT license. A single createDeepAgent() call returns a compiled LangGraph agent wired with four building blocks: a write_todos planning tool, filesystem tools (read_file, write_file, edit_file, ls, glob, grep), a task tool that spawns subagents with isolated context windows, and built-in prompt and middleware defaults. It is provider-agnostic, working with any tool-calling chat model.

  • Built on LangGraph, MIT licensed
  • write_todos planning tool for task breakdown
  • task tool spawns isolated-context subagents
  • Filesystem tools as working memory
  • Provider-agnostic, works with tool-calling models

Best for JavaScript developers building agents on LangGraph who want sensible defaults out of the box.

Sourced from DeepAgents's official site and repository.

How Glueprint runs DeepAgents

DeepAgents connects over the open Agent Client Protocol — one generic adapter implements the protocol's client side, so DeepAgents gets the same surfaces as every other harness:

01

Glueprint spawns DeepAgents, not a fork

Glueprint finds the DeepAgents binary you installed and spawns it, then speaks the Agent Client Protocol — JSON-RPC 2.0 over stdio — to drive it. Same CLI, same authentication; Glueprint just wraps the session.

02

Output streams as structure

Message chunks, tool calls, and tool-call updates from DeepAgents arrive as protocol notifications and render as the same live, typed timeline every Glueprint session gets — watchable from desktop, browser, or phone.

03

Permission requests become approval cards

When DeepAgents asks to write a file or run a command, the protocol's permission request surfaces as an inline approval card on whatever device you're holding. Approve, deny, or auto-allow per tool.

04

One adapter, the whole fleet

Because DeepAgents speaks ACP, adding it is a catalog entry, not an engineering project — the same adapter runs every other agent in the registry, so you can tile them side by side.

What DeepAgents gains inside Glueprint

Everything below works with the DeepAgents CLI you have today — no migration, no new account for the model, no lock-in. Uninstall Glueprint and your terminal workflow is exactly as it was.

Live sessions on every surface

Watch every DeepAgents prompt, tool call, and diff stream in real time — desktop, web portal, iOS and Android. The session runs on your machine; the view follows you.

Approve from your phone

Permission prompts arrive as approval cards wherever you are. Kick off a refactor at your desk, approve the file writes from the couch.

Parallel sessions across worktrees

Run several DeepAgents sessions side by side, each in its own git worktree, with diffs, history, and a three-pane conflict resolver alongside.

Mix harnesses in one mosaic

Tile DeepAgents next to Claude Code, Codex, and the rest of the ACP fleet in the Command Center. The protocol differs; the surface doesn't.

DeepAgents as a persistent assistant

Promote it to an assistant: persona, constitution, long-term memory, and a daily journal on disk, loaded into every wake.

Routines on a schedule

Wake it on cron: triage the inbox every 30 minutes, sweep PRs at 9am, run the nightly cleanup. Quiet hours and watermarks prevent re-fires.

Analytics per harness

Messages, sessions, and output tokens computed from session logs — compare DeepAgents against Claude Code, Codex, and your other ACP agents.

Encrypted to the relay

Remote viewing rides AES-256-GCM envelope encryption. The relay routes; it cannot read.

DeepAgents + Glueprint, asked plainly

Can I run DeepAgents with Glueprint?

Yes. DeepAgents is registered in the official Agent Client Protocol registry, and Glueprint implements the protocol's client side. It spawns the DeepAgents CLI you already installed and drives it over JSON-RPC 2.0 — adding live sessions, inline approvals, worktrees, and remote control.

Do I need a separate DeepAgents subscription or API key?

No. Glueprint doesn't resell model access. DeepAgents authenticates exactly the way its vendor designed — its own login, subscription, or API key. Glueprint spawns the binary and speaks the protocol; it doesn't sit between you and the model provider.

Can I run DeepAgents from my phone?

Sessions always run on your machines — a laptop, a desktop, or a server with the headless daemon. The iOS and Android app streams DeepAgents sessions live, lets you send follow-ups, and handles permission approvals from anywhere.

Can I run DeepAgents next to Claude Code and Codex?

Yes — that's the point. Each harness is an adapter; sessions from all of them tile into the same Command Center, share the same task boards, and roll up in the same per-harness analytics.

Is my session content private?

Yes. Remote viewing routes AES-256-GCM-encrypted envelopes through the relay, which stores a wrapped key it cannot open — decryption happens on your devices. On the free local tier, session content never leaves your machine at all. See security.

— THE LOCAL TIER IS FREE

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