Pick your AI agent harness first. Then plug in the rest.

A harness is the “operating system” your AI agent runs in. Pick one that fits your business, then add agents, tools, MCP connectors and skills. 20 harnesses, 37 listings, every one sourced.

37 results

Harness

n8n

Visual workflow automation with native AI agent nodes.

Local or cloudFree tier
Harness

OpenClaw

Open-source personal AI assistant that runs on your own machine.

Runs locallyFree
Harness

Lindy

Hosted 'AI employees' for inbox, calendar, phone and sales tasks.

CloudFree tier
Harness

Zapier Agents

AI teammates on top of the thousands of apps Zapier connects.

CloudFree tier
Harness

Make AI Agents

Visual AI agents across 3,000+ apps, with a step-by-step reasoning panel.

CloudFree tier
Harness

Marblism

A ready-made team of AI employees for small businesses.

CloudPaid
Harness

Voiceflow

Build chat and voice agents for support and sales.

CloudPaid
Harness

Botpress

AI agent platform for customer support chat.

CloudFree tier
Harness

Activepieces

Open-source automation with AI agents and ~400 MCP servers.

Local or cloudFree tier
Skill

Agent Skills (Anthropic)

Public repo of reusable Agent Skills: docs, spreadsheets, PDFs, brand guides.

Runs locallyFree
Local AI tool

AnythingLLM

On-device, private AI workspace for your documents.

Local or cloudFree
Agent

Bland

Voice AI platform for phone agents.

CloudPaid
Agent

Chatbase

Customer-facing AI agent for support and sales.

CloudPaid
Harness

CrewAI

Python framework for teams of role-playing AI agents.

Local or cloudFree tier
Harness

Dify

Open-source platform for agentic workflows and RAG apps.

Local or cloudFree tier
Agent

Fin (Intercom)

AI customer agent billed per resolution.

CloudPaid
Harness

Flowise

Build AI agents visually, open source.

Local or cloudFree tier
Harness

goose

Open-source, extensible agent that runs on your machine.

Runs locallyFree
Harness

Gumloop

Build AI agents and automations for everyday work.

CloudPaid
MCP connector

HubSpot MCP Server

Give agents access to your HubSpot CRM records.

CloudFree
Harness

Langflow

Low-code builder for agents and RAG, open source.

Local or cloudFree
Harness

LangGraph

Low-level orchestration framework for reliable agents.

Local or cloudFree tier
Local AI tool

LM Studio

Desktop app to download and run local models.

Runs locallyFree
MCP connector

MCP Reference Servers

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

Runs locallyFree
Harness

Microsoft Copilot Studio

Create AI agents inside the Microsoft 365 world.

CloudPaid
Local AI tool

Ollama

Run open models locally with one command.

Local or cloudFree
Local AI tool

Open WebUI

Self-hosted ChatGPT-style interface for local models.

Runs locallyFree
Harness

Pipedream

The integration layer for AI agents.

CloudFree tier
MCP connector

QuickBooks Online MCP Server

Intuit's MCP server for QuickBooks bookkeeping data.

Runs locallyFree
Harness

Relevance AI

Build teams of specialist AI agents without code.

CloudPaid
Agent

Retell AI

AI voice agents that answer and make phone calls.

CloudFree tier
HarnessBuilt by the founder

s3a-harness

Open-source MCP research-agent harness with human approval gates.

Runs locallyFree
MCP connector

Stripe MCP

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

CloudFree
Agent

Synthflow

No-code AI voice agents for phone calls.

CloudPaid
Agent

Tidio Lyro

AI customer service agent for small online shops.

CloudFree tier
Agent

Vapi

Developer platform for voice AI agents.

CloudFree tier
MCP connector

Zapier MCP

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

CloudFree tier