harnss

About harnss

[!WARNING] Harnss is in early development and issues are to be expected. Please feel free to report bugs and issues in the Issues section. Harness your AI coding agents. Harnss is a cross-platform desktop app that gives you one interface to run, manage, and switch between AI coding agents — Claude Code, Codex, and any ACP-compatible agent — without losi

agent-client-protocol agentclientprotocol ai chatgpt claude claude-code codex copilot gemini

Quick Facts

Stars	389
Forks	43
Language	TypeScript
Category	MCP Server
License	MIT
Quality Score	37.3/100
Open Issues	22
Last Updated	2026-10-21
Created	2026-02-19
Platforms	browser, claude-code, cli, codex, gemini, mcp, node
Est. Tokens	~757k

Compatible Skills

These tools work well together with harnss for enhanced workflows:

obsidian-agent-client — semantic(0.44)+complementary+rare_topics+same_lang+similar_pop (60%)
OpenACP — semantic(0.37)+complementary+rare_topics+same_lang+similar_pop (58%)
mobvibe — semantic(0.34)+complementary+rare_topics+same_lang+similar_pop (56%)
OpenFlux — semantic(0.19)+complementary+same_lang+similar_pop+shared_platform (51%)
Pane — semantic(0.24)+complementary+same_lang+similar_pop (48%)

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Frequently Asked Questions

What is harnss?

harnss is Open-source, desktop client/UI build to harness Claude Code, Codex and any other Agent accepting Agent Client Protocol. Run multiple AI coding agents side by side with rich tool visualization, MCP int. It is categorized as a MCP Server with 389 GitHub stars.

What programming language is harnss written in?

harnss is primarily written in TypeScript. It covers topics such as agent-client-protocol, agentclientprotocol, ai.

How do I install or use harnss?

You can find installation instructions and usage details in the harnss GitHub repository at github.com/OpenSource03/harnss. The project has 389 stars and 43 forks, indicating an active community.

What license does harnss use?

harnss is released under the MIT license, making it free to use and modify according to the license terms.

View on GitHub → Browse MCP Server tools