← All harnesses

Harness

Flowise

Build AI agents visually, open source.

Drag-and-drop builder for agents and chat flows. Self-host free, or use Flowise Cloud. Embeds as a website chat widget.

Where it runsLocal or cloud
CostFree tier

Open source is free; cloud plans from $0 and up at flowiseai.com.

Good for: Website chat, Support triage, Content

Visit Flowise · Source: github.com

What plugs into Flowise

Local AI tools

Local AI tool

Ollama

Run open models locally with one command.

Local or cloudFree
Local AI tool

LM Studio

Desktop app to download and run local models.

Runs locallyFree

MCP connectors

MCP connector

Zapier MCP

Connect any MCP-capable agent to 9,000 apps.

CloudFree tier
MCP connector

Stripe MCP

Let agents look up payments, invoices and customers in Stripe.

CloudFree
MCP connector

HubSpot MCP Server

Give agents access to your HubSpot CRM records.

CloudFree
MCP connector

QuickBooks Online MCP Server

Intuit's MCP server for QuickBooks bookkeeping data.

Runs locallyFree
MCP connector

MCP Reference Servers

Official reference MCP servers: filesystem, fetch, memory, git and more.

Runs locallyFree