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"Understanding Prompts or Prompt Engineering" matching MCP servers:

  • HashBuilds Secure Prompts

    jphyqr
    F
    license
    A
    quality
    D
    maintenance
    Enables AI assistants to register prompts for security verification, checking for hidden injections, data exfiltration patterns, and jailbreak attempts, then generate embed codes for displaying security badges on websites.
    4

  • Prompt Compass MCP

    rishabhmpc
    A
    license
    -
    quality
    B
    maintenance
    Provides MCP clients a single decision-only tool to classify prompts as safe for local or cloud models, or as containing PII or jailbreak content, without executing actions or calling AI models.
    43
    Cryptographic Autonomy 1.0 (Combined Work Exception)

  • AI Detection Engineering

    Simoon896
    A
    license
    -
    quality
    B
    maintenance
    An MCP server that enables conversational interaction with Wazuh SIEM, allowing users to investigate alerts, hunt threats, tune false positives, edit rules, and run security actions via natural language.
    MIT

  • Prompt Rejector MCP

    revsmoke
    A
    license
    -
    quality
    C
    maintenance
    Protects AI agents from prompt injection attacks, jailbreak attempts, and common web vulnerabilities by screening untrusted input through semantic LLM analysis and static pattern matching.
    26
    2
    ISC

  • NOVA MCP Security Gateway

    fr0gger
    A
    license
    -
    quality
    D
    maintenance
    A prompt-validation service that checks incoming prompts against security rules, blocking those matching high-severity security or jailbreak patterns while authorizing safe prompts.
    14
    MIT

  • clawguard-mcp

    joergmichno
    A
    license
    A
    quality
    C
    maintenance
    MCP server for AI security scanning. Detects prompt injections, jailbreaks, data exfiltration, and social engineering attacks in real-time using 42 regex patterns via the ClawGuard Shield API. Sub-10ms response times.
    5
    1
    MIT

  • qorami-mcp

    loicfontaine-max
    A
    license
    A
    quality
    B
    maintenance
    ▎ Check an email before an AI agent sends it: send / ask a human / block — with machine reason codes and prompt-injection detection.
    2
    2
    MIT

  • RSigma

    timescale
    A
    license
    A
    quality
    A
    maintenance
    RSigma is a Rust detection-engineering toolkit for the Sigma standard. Its MCP server (rsigma mcp serve) exposes the toolchain to AI agents over stdio or Streamable HTTP, with tools to author, lint, validate, and convert Sigma rules, evaluate and explain detections against log events, and inspect correlation state.
    15
    14
    133
    MIT

  • ShieldAPI MCP

    alberthild
    A
    license
    A
    quality
    D
    maintenance
    security tools for AI agents: URL safety scanning, prompt injection detection (200+ patterns), email/password breach checks via HIBP, domain & IP reputation analysis, and AI skill supply chain scanning. Free tier (3 calls/day) or pay-per-request with USDC micropayments via x402.
    9
    18
    1
    MIT
  • Blekline MCP Server by Blekline

    Blekline MCP Serverofficial

    Blekline
    A
    license
    A
    quality
    A
    maintenance
    Provides AI ingress governance by masking prompts, classifying risk, and enforcing tool policies before agent calls reach model providers or sandboxes.
    6
    1
    AGPL 3.0