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Every Pull Request Deserves a Senior Reviewer.

Lens reviews your code for logic errors, performance pitfalls, and security gaps, instantly, consistently, and without scheduling overhead.

Features

Capabilities

Logic & Correctness Review

Analyzes control flow, boundary conditions, and edge cases to catch logic errors that compile fine but fail in production.

Security Surface Scanning

Flags injection vectors, insecure defaults, and exposed secrets following OWASP guidelines tailored to your stack.

Performance Anti-Patterns

Identifies N+1 queries, unnecessary re-renders, unbounded loops, and memory leaks before they ship.

Style & Consistency Enforcement

Goes beyond formatting to enforce naming conventions, architectural boundaries, and idiomatic patterns across the team.

Refactor Recommendations

Suggests concrete extractions, decompositions, and simplifications: not vague advice, but actual diffs.

Test Coverage Gaps

Highlights untested branches and critical paths, recommending specific test cases to harden the change.

Examples

See It In Action

Review this PR that adds OAuth2 PKCE flow to our login page. Flag any security concerns.
The `state` parameter is generated with `Math.random()`, which is predictable. Replace it with `crypto.getRandomValues()`. Also, the token exchange endpoint doesn't validate the `code_verifier` length. Enforce a minimum of 43 characters per RFC 7636.

Audience

Who Lens Is For

Engineering leads maintaining code quality at scale

Small teams without enough senior reviewers

Solo developers who want a second pair of eyes

Platform teams enforcing architectural standards

FAQ

Frequently Asked Questions

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