HeimWall vs VernLLM

Signal, not surveillance. See how your engineers use Cursor, Claude Code, and Copilot: catch leaked secrets, PII, and confidential data, without blocking them or reading...

The LLM call framework. Resilience, observability, and control for every call.

About HeimWall

Signal, not surveillance. See how your engineers use Cursor, Claude Code, and Copilot: catch leaked secrets, PII, and confidential data, without blocking them or reading their prompts. Nothing sits in your send path, your prompt reaches the tool untouched, and what you type into an AI tool is never sent to us. To read your prompt before it is sent, the app reads the composer through the macOS Accessibility API and watches the clipboard. Accessibility is a wide permission and macOS does not offer a narrower one for this.

About VernLLM

The LLM call framework. Resilience, observability, and control for every call. LLM calls fail in ways plain SDK calls do not handle: timeouts, rate limit errors, a provider having an outage, or a request that just hangs. VernLLM adds retries with backoff, a circuit breaker, provider fallback, rate limiting, and caching around your existing client, so a single bad call does not take down your app. VernLLM runs in your own process, so there is no extra network hop or proxy to maintain.