System1 Agents

Name: System1 Agents
Author: ThinkFlowLab

skills · by ThinkFlowLab

System 1 decision models (Jev, Laya, Cua-S1) as brain for agents: Browser use, computer use, games and robotics

182 8 tools GitHub npm

No known CVEs

Apache-2.0 license

Actively maintained

Last commit 1d ago

Works with most clients

Transport: stdio, sse, http

8 tools · ~316 tok

Grade A · 0.2% of 200K ctx

MCPpedia last refreshed this data 1d ago

Edit this pageView history

System1 Agents is an MCP server that system 1 decision models (Jev, Laya, Cua-S1) as brain for agents: Browser use, computer use, games and robotics. Its tool list has not been published yet over stdio, sse and http, requires no API key, and scores 90/100 on MCPpedia's security, maintenance and efficiency rubric.

Other

Step 1

Install in your client

Config is the same across clients - only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "system1-agents": {
      "args": [
        "-y",
        "skills"
      ],
      "command": "npx"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/system1-agents)](https://mcppedia.org/s/system1-agents)

Read me

What System1 Agents does

Give your agents a System 1 decision model. Start from a prebuilt agent or build your own. > Describe the task. Claude Code or Codex runs a prebuilt agent or builds a new one, on Jev, > Laya or Cua-S1 Nano. > Browser use, computer use, robotics and games ship ready to run. > Up to 6× faster and 25× cheaper than a chat model, at the same score.

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked - your result helps other developers.

npx -y 'skills' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories - click any category to see the underlying evidence.

Score breakdown

90/100across 5 weighted dimensions

How we score →

0255075100

−10

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked skills against OSV.dev.

Inventory

Tools (8)

Click any tool to inspect its schema.

~316 tokens total

Community

Reviews

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How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is System1 Agents safe to use?: System1 Agents has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under Apache-2.0.
How do I install System1 Agents?: System1 Agents supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can System1 Agents do?: System1 Agents provides 8 tools: allrecipes, flights, desktop, ticket_router, alfworld and 3 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with System1 Agents?: System1 Agents is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is System1 Agents actively maintained?: System1 Agents is actively maintained - last commit was 1 day ago. It has 182 GitHub stars.

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MCP Security Weekly

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

scenario

Jev

chat model

speedup

Jev cost

chat model cost

more expensive

Browser use (Allrecipes)†

35.7 s

138.7 s

3.89×

$0.091356

$1.494331

16.4×

Custom agent (ticket router, 30 tickets)

12.7 s

65.3 s

5.14×

$0.000764

$0.014800

19.4×

Computer use (Windows Calculator)

17.2 s

30.1 s

1.75×

$0.000447

$0.003002

6.7×

Robotics (ALFWorld)

7.4 s

25.7 s

3.47×

$0.000221

$0.002800*

12.7×

Games (2048, 20 moves)

27.1 s

68.5 s

2.53×

$0.000447

$0.006139

13.7×

Games (Millionaire)

15.3 s

21.6 s

1.41×

$0.000168

$0.000892

5.3×

Games (Blackjack)

2.3 s

14.7 s

6.39×

$0.000021

$0.000531

25.3×

Frequently Asked Questions

Is System1 Agents safe to use?

System1 Agents has no known CVEs as of the latest MCPpedia security scan. Authentication requirements were not detected automatically - check the project's documentation before connecting in a shared environment. Licensed under Apache-2.0.

How do I install System1 Agents?

System1 Agents supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can System1 Agents do?

System1 Agents provides 8 tools: allrecipes, flights, desktop, ticket_router, alfworld and 3 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with System1 Agents?

System1 Agents is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is System1 Agents actively maintained?

System1 Agents is actively maintained - last commit was 1 day ago. It has 182 GitHub stars.

[!NOTE] Give your agents a System 1 decision model. Start from a prebuilt agent or build your own.

Describe the task. Claude Code or Codex runs a prebuilt agent or builds a new one, on Jev, Laya or Cua-S1 Nano. Browser use, computer use, robotics and games ship ready to run.

Up to 6× faster and 25× cheaper than a chat model, at the same score.

Quickstart · From Claude Code or Codex · Benchmarks · Docs

scenario	Jev	chat model	speedup	Jev cost	chat model cost	more expensive
Browser use (Allrecipes)†	35.7 s	138.7 s	3.89×	$0.091356	$1.494331	16.4×
Custom agent (ticket router, 30 tickets)	12.7 s	65.3 s	5.14×	$0.000764	$0.014800	19.4×
Computer use (Windows Calculator)	17.2 s	30.1 s	1.75×	$0.000447	$0.003002	6.7×
Robotics (ALFWorld)	7.4 s	25.7 s	3.47×	$0.000221	$0.002800*	12.7×
Games (2048, 20 moves)	27.1 s	68.5 s	2.53×	$0.000447	$0.006139	13.7×
Games (Millionaire)	15.3 s	21.6 s	1.41×	$0.000168	$0.000892	5.3×
Games (Blackjack)	2.3 s	14.7 s	6.39×	$0.000021	$0.000531	25.3×

† The first Allrecipes task of the WebVoyager task set (He et al., 2024, Apache-2.0, attribution in NOTICE): a vegetarian lasagna with over 100 reviews, 4.5 stars or more, for 6. The chat model of that row is Claude Fable 5.1 through OpenRouter; both models pay it for the typed search text and the answer. * Estimated; the chat-model run recorded no cost. Each replay below is the episode behind its row, Jev on the left and the chat model on the right, both on the wall clock. The other Allrecipes runs, longer games and the Google Flights driver comparison with its rerun of 2026-09-23: docs/benchmarks.md.

_{Browser use, WebVoyager's Allrecipes task 0 on the live site, replay at 8× speed}	_{Computer use, the Windows Calculator, replay at 4× speed}
_{Ticket router, 30 tickets to five queues, replay at 8× speed}	... View full README on GitHub