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AGENT INFRASTRUCTURE · NICHE

Flue

The open agent framework: build durable AI agents with a programmable TypeScript harness.

Visit flueframework.com ↗@flueai on X ↗

What Flue does

The open agent framework: build durable AI agents with a programmable TypeScript harness. Framework built around a Claude-Code-style agent harness; write once, deploy anywhere, use any LLM, zero lock-in. Created by Astro co-creator Fred K. Schott.

Good for

  • Build custom agents for client products

Try this in 10 minutes

  1. Build custom agents for client products. Use the free version: pick one real example from your own business and try just that.
  2. Read the quick-start and note which no-code tools (n8n, Make, Zapier, Claude) it connects to.
  3. Run the free example or demo end to end.

Mini-tasks based on common small-business uses for this tool.

Honest take

No red flags in our notes so far

  • Developer-level; low priority for no-code audience.
  • Pricing from github.com/withastro/flue LICENSE (2026-10-20).

Pricing

Free (open source, Apache 2.0).

Prices as listed by the maker when we last checked (2026-10-20); usually in US dollars. Check the website for current prices.

Latest update

No major updates recorded since we added it.

Is Flue worth it? Quick answers

Is Flue worth it?

Flue is a niche pick: useful for specific cases, but most small businesses can skip it for now. Developer-level; low priority for no-code audience. It is free or open source, so the main cost is your time to set it up.

How much does Flue cost?

Free (open source, Apache 2.0).

What is Flue used for?

The open agent framework: build durable AI agents with a programmable TypeScript harness. Typical uses: build custom agents for client products.