AI Coding Assistants

Cue

MCP server for front-loading prompt engineering in agentic workflows.

Status
Generally available
Last checked
Checked · Oct 12, 2026
License
Open source
Pricing
Free tier · from $0
Visit Cue Compare with alternatives

What it is

The @manuelcattelan/cue is an MCP server designed to streamline prompt engineering, making it easier to integrate AI-driven workflows into development processes. It's particularly useful for teams looking to enhance their productivity with AI-assisted coding and workflow automation.

The @manuelcattelan/cue stands out as an open-source, self-hosted MCP server that focuses on front-loading prompt engineering in agentic workflows, offering a unique solution for developers who need flexibility and control.

When it fits — and when it doesn’t

A good fit for

  • Teams looking to integrate AI-driven prompt engineering into their development processes

  • Projects requiring self-hosted solutions for MCP server functionality

  • Developers who need a GPL-3.0 licensed tool for agentic workflows

Look elsewhere if

  • Users seeking cloud-based managed services for prompt engineering

  • Teams preferring proprietary licensing over open-source options

Known weaknesses

Each one links to the public issue, changelog or docs page it came from, where we have one.

  1. 01

    Limited documentation and examples

    Official docs lack detailed guides, community-contributed content is sparse

  2. 02

    Small and less active community

    GitHub issues are not frequently addressed by maintainers, limited pull requests from contributors

What it does well

  • Front-loads prompt engineering for agentic workflows

  • Self-hosted MCP server

  • GPL-3.0 licensed

Pricing

Free tier
YesOpen source — free to use
Paid from
$0
Model
Flat rate
Enterprise plan
No

Pricing not independently confirmed — check the vendor’s page.

Performance benchmarks

How Fast Is It?

Set up Cue

Setup steps, common gotchas and what to check after 30 days.

Open the setup guide →
Get the badge

A small badge for Cue’s README or site: its name, “Tracked on AI Navigator”, and the availability status and check month from this page. It updates as the catalog does.

Cue — tracked on AI Navigator

Markdown

[![Cue — tracked on AI Navigator](https://navigateaitools.com/badge/manuelcattelan-cue.svg)](https://navigateaitools.com/explorer/tool/manuelcattelan-cue)

HTML

<a href="https://navigateaitools.com/explorer/tool/manuelcattelan-cue"><img src="https://navigateaitools.com/badge/manuelcattelan-cue.svg" alt="Cue — tracked on AI Navigator" height="58"></a>