Skip to content

MCP and agent tools

Kerno

Kerno is an AI runtime QA engineer for backends. It works inside Claude Code, Cursor, Codex and other MCP coding agents, tests critical user flows against your real stack, and catches runtime and security bugs before merge. v1 shipped Oct 14, 2026.

Pricing
Community free (1 repo, 1 user, 30 runs/mo). Pro $50/developer/mo. Enterprise custom. Checked Oct 14, 2026.
Last verified
14 Oct 2026
Placement
Standard listing

Tags

  • mcp
  • testing
  • qa
  • agents

Pricing is left as unknown unless a maintainer confirmed it. Featured means the listing is called out on the homepage. Paid placements are labeled sponsored. How money works here.

Sources: kerno.io/blog/kerno-v1/, kerno.io.

Also in MCP and agent tools

  • AgentRigs

    Tools for agents

    AgentRigs is an index of public agent setups for Claude Code, Codex, Cursor, Gemini CLI, and Copilot. It ranks MCP servers, skills, subagents, hooks, and permissions by how often they're used. It has a Rig Doctor that scores a setup, and one-command starter rigs. The maker isn't named on the site.

    Free (AgentRigs pricing page, checked Oct 14, 2026)View details →
  • AI SDK

    Tools for agents

    The AI SDK is Vercel's TypeScript toolkit for adding chat, structured generation, and tool-calling agents to an application.

    Pricing not listedView details →
  • Browser Use

    Tools for agents

    Browser Use lets an agent operate a real browser to complete tasks on the web, rather than only calling APIs.

    Pricing not listedView details →