Security MCP Servers
Security topic — 267 MCP servers, ranked by GitHub stars.
AIMarket MCP Gateway
Stdio + HTTP MCP gateway: SSRF-hardened web_fetch, web_search, metis_verify, market_search.
ARGUS-3 MCP Server
ARGUS-3 stdio MCP with WARDEN firewall: argus_ask, argus_status, argus_capabilities.
hejdar-mcp
Runtime policy enforcement for AI agents: evaluate actions against organization policies before execution, in observe or enforce mode.
truecopy
Supply-chain gate for agent skills and MCP servers: detects poisoned tool definitions, pins servers by hash, checks drift in CI and…
bebravebekind/mcpskills-server
Trust scoring for MCP servers, AI skills & npm packages — 15 signals + safety scanning.
agentradar-mcp
Trust scoring, scam detection, and EAS attestations for ERC-8004 + x402 agents on Base.
PromptSpeak Governance
Pre-execution governance for AI agents. Validates tool calls before they execute.
depscope
Package intelligence across many ecosystems: health, vulnerabilities (OSV, CISA KEV, EPSS), typosquats, malicious packages, alternatives…
redact-pdf-mcp
Redact or anonymize PDFs: black boxes or consistent [Person 1] tags. EU/Swiss, no AI training.
Umbra
Trust score for AI-generated code: scan repos, guard agent file writes, get a 0-100 score.
DCL Trust Oracle — AI/LLM Output Audit (x402 MCP)
AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.
gautam-u/sieve-mcp
Local macOS scanner for secrets leaked into AI tool chat transcripts, with redacted findings, placeholder-only redaction and…
cleaner-code
Scans AI-generated code for invisible Unicode, Trojan Source, and supply-chain threats.
Small Print
Check an MCP server, skill or plugin before your agent uses it: tool text on record, changes graded.
mcp-inspector
Website safety and trust analysis. Verify domain reputation and detect phishing with GridinSoft.
skillssafe-mcp
Scan SKILL.md files, MCP configs and system prompts for credential theft, prompt injection, zero-width character attacks and ClawHavoc…
Volta Notes
Burn-after-read encrypted notes. E2E encrypted, decentralised on the Internet Computer.
ModelSafetyMCP
Scan ML model artifacts, URLs and directories for unsafe serialization, malicious patterns and risky packaging using ModelScan, PickleScan…
Frisk
Screen the counterparty of an x402 payment before an agent pays it. Runs offline by default.
clawguard-mcp
Security scanner for AI agents that detects prompt injections using regex patterns.
securecode-mcp
Secrets vault for Claude Code with audit logs, access rules, and AES-256 encryption.
kakunin-mcp
X.509 identity, risk scoring, and audit logging for AI agents. MiCA + EU AI Act compliant.
Gooo saved tool definitions
Compare recorded MCP tool definitions before reusing a saved tool selection.
agentforge-trust-mcp
Query AgentForge Trust Scores for MCP servers before connecting, covering security, code health, behavioral audit, community trust and EU…
Lazaretto
Supply chain security: free npm lockfile malware check, paid scan of packages, skills, MCP servers.
AW-1 Sovereign Circuit Breaker
Deterministic sub-0.2ms AST security circuit breaker and agent containment engine.
DechoNet
Moved to com.dechonet/mcp. 25 security tools, hosted at https://dechonet.com/mcp
pentagonal
AI smart contract forge — 8-agent security audits, generation, and compilation across 8 chains
web-exposure-mcp
Read-only check of a live URL for publicly exposed secret files: .git, .env, JS source maps, backup/SQL dumps, directory listings and…
Feldspar free repository security scan
Free deterministic security scan of public git repos: OSV.dev vulnerable deps, secrets, config lint.
Qiniso
Deterministic fact verification for AI agents — checksums & curated data, not guesses.
SecureAudit-MCP
Static C/C++ memory-safety scanning and PE/ELF binary protection audits (ASLR, DEP/NX, SafeSEH, PIE), with remediation via secure templates.
rob925/mcp-shield
Static security scanner for MCP servers and agent tools: detects secrets, shell execution, risky tool descriptions, environment access and…
agentic-wallet-guardian-v3
Explainable ALLOW/WARN/BLOCK risk decisions for AI agent actions before execution, signed as OAA.
dawshund_mcp
Enumerate AWS IAM data, analyze effective permissions and visualize access relationships across users, roles and resources, based on…
scamverify-mcp
Scam and threat checks for phone numbers, URLs, texts, emails, documents and QR codes using FTC/FCC complaints, URLhaus and ThreatFox,…
pod
Least-privilege compiler for agents: record real tool calls, compile a minimal policy, enforce it at an MCP gateway and keep a…
agentscore-mcp-server
MCP security trust layer: scan packages, inspect repos, check exposure, monitor changes.
Algenta MCP Server
Governed data discovery, exact queries, decisions, simulations, and runtime utilities over MCP.
mcp-regulated-ai-compliance
Regulated-industry AI compliance: EU AI Act, APRA, NIST AI RMF, ISO 42001, AU AI Safety.
vaulted-mcp-server
Share end-to-end encrypted, self-destructing secrets from an agent, reading them from env vars or files so they stay out of LLM context.
wei9072/aegis
Admission control for agent file edits: checks syntax, structural-cost regressions and workspace boundaries, returning BLOCK, WARN or PASS…
HVTracker MCP
Pre-connect trust checks for AI agents and MCP servers using HVTracker's public trust registry.
captcha-mcp
Charge AI agents per-call without accounts. PoW solve = free tier, Lightning = paid tier.
arc-gate-mcp
Runtime governance for MCP tool calls that blocks prompt injection and capability abuse before tool results reach the agent.
Compliance AIops
Compliance evidence from AIops audit trails: HIPAA/PCI/SOC2/GDPR, OSCAL export, 19 tools.
CanaryGuard 402
Deterministic prompt-injection detection & sanitization for AI agents via x402 on Base.
AIMarket Oracle Gateway
Stdio MCP: 17 verifiable AIMarket oracles, 35 pay-per-call tools for AI agents.
nobulex
Proof-of-behavior enforcement for AI agents: define permit/forbid/require rules, enforce them at runtime and keep hash-chained,…
AgentAegis
Pay-per-call cybersecurity for AI agents: vuln scans, threat intel, compliance, code security.
Seal
Stops agents double-charging across processes: exactly one execution, confirmed by the provider.
blackwall-mcp
API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
basescope
Read-only safety checks for Base and EVM: honeypot and rug-pull detection, risky approvals, verified source, balances, ENS and Basenames,…
State of Web Vitals
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
governed-mcp-gateway
HTTP MCP gateway that attaches a principal to tool calls and SSE streams, with allowlists and vault rotation.
trust-ledger-os
Trust and risk control plane for AI teams, with phases, routes and a package catalog.
OpsecForge
Local MCP tools that keep secrets out of agent context: redact files, scan commits, verify webhooks.
mcp-audit-gateway
Transparent MCP proxy that keeps a signed, hash-chained audit trail of agent tool calls, with YAML policy enforcement and OpenTelemetry…
Eleion Scanner
Register/verify your domains, queue security scans, and read findings (CVE, severity).
toolwrit
Policy sidecar for any MCP server: deny-by-default tool allowlist with argument rules, call and USD budget caps, and a hash-chained audit…