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PromptLock vs Semgrep

Static analysis for code bugs and security, not runtime AI data compliance.

Which to pick

Pick PromptLock if you want…

  • Compliance-aware prompt protection
  • Integrations with n8n, Flowise or Bubble (on PromptLock's list, not Semgrep's)

Pick Semgrep if you want…

  • AI-augmented static analysis across code and supply chain
  • Static code analysis
  • Open-source code (semgrep/semgrep on GitHub, LGPL-2.1 license)
  • Integrations with CLI, CI/CD or VS Code (on Semgrep's list, not PromptLock's)

Side by side

What it is
PromptLock:PromptLock is an AI firewall that blocks prompt injection and redacts PII/PHI in a single API call.
Semgrep:Semgrep is an extensible AppSec platform that combines AI-assisted SAST, SCA, secrets and malware detection to surface actionable security issues.
Best for
PromptLock:Compliance-aware prompt protection
Semgrep:AI-augmented static analysis across code and supply chain
Who it’s for
PromptLock:Teams building AI apps that handle regulated customer data.
Semgrep:Developers, AppSec teams and security leaders who need integrated static analysis.
Pricing
PromptLock:Freemium
Semgrep:Freemium
Plans
PromptLock:Free $0/mo · Starter $49/mo per month · Pro $199/mo per month
Semgrep:—
Open source
PromptLock:—
Semgrep:Yes, 16,826 GitHub stars
Works with
PromptLock:n8n, Flowise, Bubble, Retool, RapidAPI
Semgrep:CLI, CI/CD, VS Code, GitHub, GitLab, Bitbucket, Azure, Jira

PromptLock features

  • Compliance-aware redaction. Detects and redacts HIPAA, GDPR, and PCI-DSS data based on context.
  • Prompt injection detection. Blocks jailbreaks, system-prompt overrides and injection chains before they reach the LLM.
  • Audit-ready logging. Logs every request with compliance tags and allows CSV/JSON export.
  • One-line SDK integration. Add protection with a single function call in your code.
  • Dashboard & usage insights. Provides request history, violation insights and compliance reporting.
  • Rate limiting & abuse protection. Built-in limits (100/min) and key-based access control.

Semgrep features

  • AI-assisted SAST, SCA & Secrets. Detect vulnerabilities, vulnerable dependencies and hard-coded secrets with rule-based analysis enhanced by AI.
  • Multimodal Detection. Combine deterministic static analysis with AI reasoning to find complex issues like IDORs and logic flaws.
  • Noise Filtering & Triage. AI learns code context to suppress false positives and prioritize real risks, reducing backlog.
  • Automated Remediation. Generate fix suggestions and upgrade guidance directly in PRs and IDEs.
  • Malware Firewall. Runs on developer machines to block malicious open-source packages before they reach the environment.
  • Incident Response Automation. Enterprise policies trigger Slack/Jira workflows and API alerts for rapid malware incident handling.
  • Wide Integration Support. CLI, CI/CD, VS Code, JetBrains, GitHub, GitLab, Bitbucket, Azure, Jira, APIs/webhooks and AI tool integrations.

PromptLock vs Semgrep FAQ

Is PromptLock or Semgrep free?+

PromptLock has a free plan; paid plans start at $49/month (Starter). Semgrep has a free plan and paid plans.

Is PromptLock or Semgrep open source?+

Semgrep is open source (semgrep/semgrep on GitHub, LGPL-2.1 license). DevHunt has no public source repository on record for PromptLock.

Do PromptLock and Semgrep integrate with the same tools?+

Their integration lists don't overlap: PromptLock lists n8n, Flowise, Bubble, Retool and 1 more; Semgrep lists CLI, CI/CD, VS Code, GitHub and 10 more.

On DevHunt

PromptLock

0 upvotes · Launched on DevHunt on Jan 6, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.