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Loadmill

Loadmill is an AI verification layer that uses vision-based agents to check AI-built software across UI, API, mobile and performance, with an MCP server for coding agents.

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Introduction

Loadmill now describes itself as “the vision-based verification layer for AI-built software”. According to the official site, a coding agent hands a change to Loadmill, which runs the application, validates expected behaviour and returns the result before the change moves on.

Its agents interact with applications the way users do, without depending on selectors or implementation details. Products listed include API testing, UI testing, performance testing, a mobile testing agent, a test composer, database testing, automated email testing and an MCP server. Solutions pages cover SAP, banking and insurance.

Features

  1. Vision-based agents: Verify the rendered application rather than its code.
  2. Delegated verification: Coding agents hand changes to Loadmill for independent checks.
  3. API and UI testing: Both are listed products.
  4. Performance testing: Loadmill began as a load-testing product and still lists performance testing.
  5. Mobile testing agent: A dedicated mobile agent.
  6. MCP server: Connect coding agents through MCP.
  7. Database and email testing: Listed under resources.

Pros

  1. Independent verification: Separates the checker from the code author.
  2. Broad coverage: UI, API, mobile and performance.
  3. Enterprise domains: SAP, banking and insurance solutions.
  4. Agent integration: MCP server.
  5. Long-standing company: Not a brand-new start-up.

Cons

  1. No public prices: The pricing page did not show prices at review; see site.
  2. Shifting positioning: Moved from load testing to AI verification; confirm current feature depth.
  3. Vision variability: Agent decisions need review.
  4. Demo-led: Enterprise sales motion.
  5. Limited public docs detail: High-level marketing copy.

Book a demo, connect your application, and let Loadmill’s agents verify key journeys. Connect the MCP server so your coding agent can delegate verification of each change, and use API and performance testing for backend checks.

Resources:

Pricing

Loadmill does not publish prices on its site. See site or book a demo.

  1. Enterprises in banking, insurance or SAP wanting AI verification.
  2. Teams building with coding agents that want an independent checker.
  3. Groups needing UI, API and performance under one vendor.
  4. Not a fit for small teams wanting self-serve pricing.

Conclusion

Loadmill has repositioned as a vision-based verification layer for AI-built software, with broad coverage and an MCP server.

Confirm current capabilities and pricing in a demo.

Alternatives

Other tools on CheckOps that cover similar ground. Open a page, or compare one with Loadmill side by side.