--- title: "kereva-scanner vs ps-fuzz" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/kereva-dev-kereva-scanner-vs-prompt-security-ps-fuzz" tools: ["kereva-dev-kereva-scanner", "prompt-security-ps-fuzz"] --- # kereva-scanner vs ps-fuzz *GraphCanon updated Sep 20, 2026* ## Verdict Pick kereva-scanner when license: kereva-scanner is Apache-2.0, ps-fuzz is MIT; pick ps-fuzz when license: ps-fuzz is MIT, kereva-scanner is Apache-2.0. [kereva-scanner](https://kereva.io) reports 78 GitHub stars, 8 forks, and 3 open issues, last pushed Apr 6, 2025. [ps-fuzz](https://www.prompt.security/fuzzer) has 707 stars, 104 forks, and 19 open issues, last pushed Aug 19, 2026. Figures are from public GitHub metadata via [kereva-scanner's repository](https://github.com/kereva-dev/kereva-scanner) and [ps-fuzz's repository](https://github.com/prompt-security/ps-fuzz). | | [kereva-scanner](/tools/kereva-dev-kereva-scanner.md) | [ps-fuzz](/tools/prompt-security-ps-fuzz.md) | | --- | --- | --- | | Tagline | Code scanner to check for issues in prompts and LLM calls | Test and harden system prompts for GenAI apps to ensure safety and security. | | Stars | 78 | 707 | | Forks | 8 | 104 | | Open issues | 3 | 19 | | Language | Python | Python | | Adopt for | kereva-scanner is a specialized code scanner that assesses AI prompts and interactions with language models for potential security vulnerabilities and performance inefficiencies. | - | | Persona | - | - | | Runtime | - | - | | License | Apache-2.0 | MIT | | Categories | Developer Tools, Evaluation & Observability | Developer Tools, Evaluation & Observability | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [kereva-scanner](/tools/kereva-dev-kereva-scanner.md) | [ps-fuzz](/tools/prompt-security-ps-fuzz.md) | | --- | --- | --- | | Maintenance | Dormant (18%) | Active (82%) | | Days since push | 520d | 16d | | Open issues (now) | 3 | 19 | | Stars delta | 0 (30d) | +5 (30d) | | Open issues delta | 0 (30d) | -1 (30d) | | Full report | [trust report](/tools/kereva-dev-kereva-scanner/trust.md) | [trust report](/tools/prompt-security-ps-fuzz/trust.md) | ## Shared compatibility - **Python**: [kereva-scanner](/tools/kereva-dev-kereva-scanner.md) - Python runtime; [ps-fuzz](/tools/prompt-security-ps-fuzz.md) - Python runtime ## Decision facts: kereva-scanner - **Pricing:** freemium - The tool is free under the Apache-2.0 license but may have features in a paid version not detailed in the repository. - **Requirements:** - **Adopt for:** kereva-scanner is a specialized code scanner that assesses AI prompts and interactions with language models for potential security vulnerabilities and performance inefficiencies. ## Choose when ### Choose kereva-scanner if… - License: kereva-scanner is Apache-2.0, ps-fuzz is MIT. - Pricing: The tool is free under the Apache-2.0 license but may have features in a paid version not detailed in the repository.. - Requirements: . - Tags unique to kereva-scanner: ai-code-review, hallucination, llm-evaluation, llm-security. - When you are developing applications involving AI-generated content or integrations with large language models, to ensure your prompts are secure against attacks such as prompt injection. ### Choose ps-fuzz if… - License: ps-fuzz is MIT, kereva-scanner is Apache-2.0. - Tags unique to ps-fuzz: ai-fuzzer, fuzzer, generative-ai, llm-fuzzer. - When you need to methodically test system prompts in generative AI applications for potential security flaws. ## When NOT to use kereva-scanner - When your project does not involve interactions with language models or AI-generated content, since the scanner's utility is primarily in evaluating AI-related issues. - If you are looking for a comprehensive general code linter that checks for coding standard violations or general best practices unrelated to security and performance of LLMs. ## When NOT to use ps-fuzz - If your project does not involve generative AI applications or does not require prompt testing for security reasons. - For tasks unrelated to the hardening and evaluation of system prompts, as ps-fuzz is specifically designed for this purpose. ## Common questions ### What is the difference between kereva-scanner and ps-fuzz? kereva-scanner: Code scanner to check for issues in prompts and LLM calls. ps-fuzz: Test and harden system prompts for GenAI apps to ensure safety and security.. See the comparison table for live GitHub stats and shared categories. ### When should I choose kereva-scanner over ps-fuzz? Choose kereva-scanner over ps-fuzz when License: kereva-scanner is Apache-2.0, ps-fuzz is MIT; Pricing: The tool is free under the Apache-2.0 license but may have features in a paid version not detailed in the repository.; Requirements: ; Tags unique to kereva-scanner: ai-code-review, hallucination, llm-evaluation, llm-security; When you are developing applications involving AI-generated content or integrations with large language models, to ensure your prompts are secure against attacks such as prompt injection. ### When should I choose ps-fuzz over kereva-scanner? Choose ps-fuzz over kereva-scanner when License: ps-fuzz is MIT, kereva-scanner is Apache-2.0; Tags unique to ps-fuzz: ai-fuzzer, fuzzer, generative-ai, llm-fuzzer; When you need to methodically test system prompts in generative AI applications for potential security flaws. ### When should I avoid kereva-scanner? When your project does not involve interactions with language models or AI-generated content, since the scanner's utility is primarily in evaluating AI-related issues. If you are looking for a comprehensive general code linter that checks for coding standard violations or general best practices unrelated to security and performance of LLMs. ### When should I avoid ps-fuzz? If your project does not involve generative AI applications or does not require prompt testing for security reasons. For tasks unrelated to the hardening and evaluation of system prompts, as ps-fuzz is specifically designed for this purpose. ### Is kereva-scanner or ps-fuzz more popular on GitHub? ps-fuzz has more GitHub stars (707 vs 78). Stars measure visibility, not whether either tool fits your constraints. ### Are kereva-scanner and ps-fuzz open source? Yes - both are open-source projects on GitHub (kereva-scanner: Apache-2.0, ps-fuzz: MIT). ### Where can I find alternatives to kereva-scanner or ps-fuzz? GraphCanon lists graph-backed alternatives at [kereva-scanner alternatives](/tools/kereva-dev-kereva-scanner/alternatives) and [ps-fuzz alternatives](/tools/prompt-security-ps-fuzz/alternatives) ([kereva-scanner markdown twin](/tools/kereva-dev-kereva-scanner/alternatives.md), [ps-fuzz markdown twin](/tools/prompt-security-ps-fuzz/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/kereva-dev-kereva-scanner-vs-prompt-security-ps-fuzz.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, kereva-scanner or ps-fuzz? kereva-scanner: Dormant. ps-fuzz: Active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for kereva-scanner and ps-fuzz? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [kereva-scanner trust report](/tools/kereva-dev-kereva-scanner/trust); [ps-fuzz trust report](/tools/prompt-security-ps-fuzz/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=kereva-dev-kereva-scanner`](/api/graphcanon/graph?tool=kereva-dev-kereva-scanner) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_