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MCP servers tagged prompt-injection
604 live MCP servers tagged "prompt-injection", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with prompt-injection.
Security Scanner
The npm-audit for MCP servers: scan AI agent tools for dangerous permissions, prompt injection, and data exfiltration risks.
Gauntlet
A CI linter for what your MCP server publishes: tool poisoning and prompt injection across every surface an agent sees, definition drift between runs, and schema rot.
Mcpguard
MCP security scanner and stdio guard proxy for detecting prompt injection, tool poisoning, rug pulls, secrets, and unsafe permissions.
MCPShield
Local security scanner, hardening checks and optional stdio policy guard for Model Context Protocol (MCP) servers. Source beta by Nullvora.
Warden
Security scanner for MCP server configs. Finds leaked API keys, unpinned npx/uvx/docker servers, typosquats, malicious packages and tool poisoning in Claude, Cursor, VS Code, Wind…
Sift
Scans AI agent instruction files (CLAUDE.md, .cursorrules, mcp.json) for hidden or planted instructions
Scanner
Security scanner for Model Context Protocol (MCP) server configurations
Portcullis
A policy-enforcing gateway for the Model Context Protocol. Aggregates MCP servers, enforces tool-call policy, scans results for prompt injection and leaked credentials, and audits…
Prompt Injection MCP
MCP Server for authorized AI security research and penetration testing (Educational purposes only - requires explicit authorization)
Securing MCP Servers
Notes and exercises for the O'Reilly live course: Securing MCP Servers — exploitation and defense of Model Context Protocol implementations.
joergmichno/clawguard-mcp
Security scanner for AI agents that detects prompt injections using 42+ regex patterns
Decoy Redteam
Autonomous red team for MCP servers. Sends adversarial payloads to your tools, proves exploitation, reports what's broken. 53 attack patterns across 6 categories. Zero dependencie…
Mithril
A trustless MCP server that replaces the generic shell tool with validated, sandboxed, purpose-built execution tools for AI coding agents.
9hannahnine-jpg/arc-gate-mcp
Runtime governance for MCP tool calls. Blocks prompt injection and capability abuse before tool results reach your agent.
ppcvote/misp-mcp-server
intel tools (events, attributes, search, tags, feeds, galaxies). Scans every MISP response for adversarial seeding before returning to LLM. Tracks [MISP/MISP#10745](https://github…
Aiguard
Portable, Rust-powered security harness for CLI coding agents. Blocks prompt injection, redacts secrets, pins MCP servers, audits every tool call.
Neural Firewall
Multi-agent AI security middleware — prompt injection detection using Google ADK and FastMCP
Pkgxray
Supply-chain security for AI agents, npm packages, and MCP servers. Analyze packages before you install them — zero-dep Node, runs locally, never executes untrusted code.
Firmis Scanner
AI agent runtime security scanner - detect malicious behavior in Claude Skills, MCP Servers, Codex Plugins, and more
rob925/mcp-shield
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askalf/truecopy
mcp proxy exposes only pinned, unmodified tools from a live server.
Warrant
Verifiable constraint enforcement for AI agents - signed warrants, Merkle constraint commitments, tamper-evident audit logs, and collusion-aware multi-agent auditing. Rust core +…
IntentProbe
Activation-probe security scanner for AI agent tooling. Reads a model's internal activations to detect poisoned MCP servers, skills, and packages before install.
Toolfence Site
MCP security scanner — Toolfence scans any Model Context Protocol server and reports the risks your AI agents inherit: tool poisoning, prompt injection, tool drift, over-broad sco…
AI Failure Observatory
Behavioral safety, vulnerability probing, and product-risk auditing platform & MCP server for Generative AI & Large Language Models.
Sideguard
MCP guard & vibe coding security tool for Cursor and Claude Code. Fail-closed human-in-the-loop approval for shell commands and MCP tools—local daemon, YAML policy, no cloud.
Customhouse
Deterministic MCP proxy that blocks money-moving and data-egress tool calls in any agent session that has received untrusted content. No model in the decision path.
Simply Ops Guard
Claude Code plugin - 49 hooks + 28 MCP tools for enforcement, security scanning, prompt injection defense, VPS ops, audit logging
Mcpharden
MCP server hardening linter — capability declarations, transport, tool descriptions
Kalairos
Durable, private, time-aware memory engine for long-running AI agents
Sentinelagent Guard
A protocol-native, open-source firewall for MCP servers and AI agents — blocks tool poisoning, rug pulls & data exfiltration. Deterministic, no LLM in the path. Apache-2.0.
Trustshell
Open-source toolkit for AI agent security — autonomous attacker + static engine + scanner + red-team skills. Exploit-validated. trust-shell.com
Dcl Skills
Security & compliance skills for AI agents (jailbreak defense, PII/secret redaction, hallucination checks) with a DeFi-specialized suite — free instruction-only mode or paid on-ch…
Zn
Zero-trust, bidirectional prompt injection & tool-poisoning security gate for AI agents.
Parapet
Local-first security middleware for MCP servers. Content scanning, prompt-injection defence, trust boundaries, manifest integrity, and audit trails. No API keys, no telemetry. OWA…
AI Agent Launch Tools
Dependency-free launch hygiene tools for AI agent and MCP builders
Agent Skill Scan MCP
MCP server: Scan OpenClaw SKILL.md and MCP tool definitions for security vulnerabilities. 22 rules. For Claude Code.
Aicard
Auto-generated NIST AI RMF / EU AI Act Annex IV model & system cards
Agent Trust Preflight
Free MCP + AI agent trust preflight: 20 practical checks, safe examples, VS Code tooling, drift review and authority analysis.
SCML
Production middleware for securing agentic AI systems. Enforces least-agency policy, scans for prompt injection, gates tool calls, and logs every decision to a tamper-evident SHA-…
Gmail Skill
Gmail for AI agents: OAuth login, search, read threads, draft, send with attachments, labels. Five Agent Skills + a verb CLI + a FastMCP stdio server over the Gmail API. Needs you…
Eczid MCP Security Toolkit
Free MCP security checks, examples and developer tools for understanding MCP configuration, tool exposure, change and runtime trust posture.
Shrike
The autonomous security agent for your AI stack — finds the vulns in your MCP servers & agent tools AND writes the fixes, on a local model.
SecScanMCP
Comprehensive security scanner for MCP (Model Context Protocol) servers. 12+ analyzers, 117 YARA rules, ML-powered threat detection, dual scoring system. Detects prompt injectio…
Sunglasses
Sunglasses for AI agents. Protection layer + neighborhood watch.
Agent Guardrails Spring Boot Starter
Security & governance guardrails for MCP agents in Java — audit trail, agent-to-tool authorization, prompt-injection detection and rate limiting as a zero-config Spring Boot start…
Cos
Cos — your chief of staff
Agentbreaker
AI security testing engine for surfacing prompt leaks, bypasses, and unsafe agent behavior.
Deconvolute Demo
Live PoC: MCP attacks that compromise AI agents mid-session and how to block them in a few lines of code.
Project Guardian
AI Guardian Firewall — a local, user-space, agent-agnostic firewall that mediates an autonomous AI agent's actions (files, shell, network, services) with a deterministic policy bo…