Is HarnessRouter free?

HarnessRouter may offer paid plans. Check the official website for the latest pricing.

How much does HarnessRouter cost?

HarnessRouter uses a freemium pricing model. Visit the official website for current pricing details.

Use tool

Jul 25, 2026

HarnessRouter

Q: What is HarnessRouter?

HarnessRouter is Bring the world's best AI agents into your app with one API

Q: What are the main features of HarnessRouter?

HarnessRouter includes features such as One API to run multiple AI agents (Codex, Claude Code, Hermes, and more), Sessions and streaming for real-time interactions, Structured, renderable results including code diffs, files, images, and tool actions, Configurable harnesses with instructions, model policy, tools, MCP, skills, runtime, sandbox, permissions, and guardrails, Trace every task step by step.

Bring the world's best AI agents into your app with one API

AI WritingContent GenerationResearchEmail WritingSummarizationRewritingAcademic ResearchBrowser Extension

Overview Product Timeline Pricing Pros & Cons FAQ Reviews MCP Server

Alternatives

Overview

What is HarnessRouter?

HarnessRouter is an API that lets you integrate top AI agents like Codex, Claude Code, and Hermes into your app with a single endpoint, handling sessions, streaming, files, and reviewable artifacts.

Bring the world's best AI agents into your app with one API

Core Features

One API to run multiple AI agents (Codex, Claude Code, Hermes, and more)

Sessions and streaming for real-time interactions

Structured, renderable results including code diffs, files, images, and tool actions

Configurable harnesses with instructions, model policy, tools, MCP, skills, runtime, sandbox, permissions, and guardrails

Trace every task step by step

Automatic upgrades, fixes, and maintenance

Popular Use Cases

Integrating coding agents into your product's backend
Building AI-powered code review and generation features
Enabling autonomous agent workflows with configurable permissions
Creating apps that generate and display reviewable artifacts like diffs and files

How to use

Drop the AGENTS.md file into Cursor or Claude Code
Describe your feature in natural language
The coding agent automatically wires the endpoint, config, and UI
Configure the harness (instructions, model policy, tools, permissions) as needed
Use the single API to run sessions and stream results

Product Timeline

To be verified

Pricing

HarnessRouter uses a Freemium pricing model. Pricing and features may change over time.

Free

To be verified

Pro

To be verified

Team

To be verified

Enterprise

To be verified