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Jeff Larson

Application security review workflows

Soundcheck skills for reviewing authentication, access control, cryptography, injection risks, and application security.

52Skills
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authentication-failuresBest skill

Featured skills

authentication-failures

Detects weak password storage, flawed JWT validation, sessions surviving logout, and missing MFA in authentication code.

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broken-access-control

Detects missing ownership checks, broken role enforcement, and IDOR vulnerabilities that let users access other users'...

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concurrency-correctness

Detects multi-threaded code where a lock is held across a blocking operation, lock acquisition order risks deadlock,...

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contract-review

Deep review that audits API contracts for mismatches between what callers assume and what implementations enforce.

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crypto-library-misuse

Detects library-internal cryptographic correctness bugs that pattern matchers and crypto-failures skills miss — AEAD...

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cryptographic-failures

Detects weak or broken cryptography that lets attackers recover plaintext passwords, forge tokens, or decrypt sensitive...

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csrf

Detects forms and state-changing endpoints missing CSRF protection.

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exceptional-conditions

Detects error handlers that leak stack traces or fail open on exception.

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excessive-agency

Detects autonomous agents that take irreversible or high-impact actions without human approval.

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file-upload

Detects file upload handlers that accept executable content or write to web- accessible paths without validation.

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graphql-security

Detects GraphQL schemas without depth limits, cost analysis, or introspection controls.

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hardcoded-secrets

Detects API keys, passwords, tokens, and credentials embedded directly in source code.

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