Security
189 MCP servers and agent skills in the Security category, ranked by quality score — 189 results.
agentward-ai/agentward
Permission control plane for AI agents. MCP proxy that enforces least-privilege YAML policies on every tool call, classifies sensitive data (PII/PHI), detects dangerous skill chains, and generates compliance audit trails. Supports stdio and HTTP proxy modes.
AperionAI/shield
Local guardrail proxy for AI coding agents. Wraps any MCP server (stdio or Streamable HTTP) and blocks destructive tool calls — DROP TABLE, rm -rf, force-push — before they execute. MCP supply-chain protection: TOFU tool-catalog pinning against rug pulls, plus tool-description and tool-result scanning for tool poisoning and prompt injection. 51 starter rules, approval gates, audit logging. Single
emiliaprotocol/emilia-protocol
Human sign-off + trust receipts for AI agents: requires a named human's approval before an irreversible action (payment release, record change, deploy), then mints an offline-verifiable Ed25519 Trust Receipt. Also exposes trust profiles, receipt verification, disputes, and delegation. Apache-2.0; policy engine formally verified. Install: `npx -y @emilia-protocol/mcp-server`.
ScopeBlind/verify-mcp
Offline verification of signed artifacts -- receipts, manifests, audit bundles. Ed25519 + JCS. No accounts, no API calls. Apache-2.0.
BurtTheCoder/mcp-maigret
MCP server for maigret, a powerful OSINT tool that collects user account information from various public sources. This server provides tools for searching usernames across social networks and analyzing URLs.
mopanc/depguard
Pre-install guardian for npm packages with static code analysis, supply-chain attack detection, vulnerability audit (npm + GitHub Advisory Database), AI hallucination guard, and CycloneDX 1.6 SBOM generation with VEX. 28 MCP tools. Zero runtime dependencies — the SBOM serializer is implemented natively against the public CycloneDX schema.
behrensd/mcp-firewall
Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.
goklab/guardvibe
Security MCP for vibe coding with 330 rules and 29 tools. Purpose-built for AI-generated code — scans Next.js, Supabase, Clerk, Stripe, Prisma, Hono, GraphQL, and 25+ modules. Cross-file taint analysis, host security audit, auto-fix, SARIF export, pre-commit hook, and CVE version detection. Zero config, runs locally.
zyx77550/sparda
Injects a live, reversible MCP server into a running Express / FastAPI / Next.js app — reads safe by default, writes gated behind human confirmation. The same engine also proves deploys and PRs (`apocalypse` / `review`).
StacklokLabs/osv-mcp
Access the OSV (Open Source Vulnerabilities) database for vulnerability information. Query vulnerabilities by package version or commit, batch query multiple packages, and get detailed vulnerability information by ID.
nagameTW/mcp-server-malcolm
The first MCP server for [Malcolm](https://malcolm.fyi), the open-source network traffic analysis suite (Zeek + Suricata + Arkime + OpenSearch + NetBox). Gives AI agents structured, threat-hunting access: search and aggregate traffic, discover fields, query Suricata alerts, browse Arkime sessions, and resolve NetBox assets. Read-only by default; opt-in, audited write classes for alerts, tagging, h
knowledgepa3/gia-mcp-server
Enterprise AI governance layer with 29 tools: MAI decision classification (Mandatory/Advisory/Informational), hash-chained forensic audit trails, human-in-the-loop gates, compliance mapping (NIST AI RMF, EU AI Act, ISO 42001), governed memory packs, and site reliability tools.
I4cTime/quantum_ring
Quantum-inspired keyring for AI coding agents. Secure secrets with superposition, entanglement, tunneling, and teleportation.
LaurieWired/GhidraMCP
A Model Context Protocol server for Ghidra that enables LLMs to autonomously reverse engineer applications. Provides tools for decompiling binaries, renaming methods and data, and listing methods, classes, imports, and exports.
BurtTheCoder/mcp-shodan
MCP server for querying the Shodan API and Shodan CVEDB. This server provides tools for IP lookups, device searches, DNS lookups, vulnerability queries, CPE lookups, and more.
Acacian/aegis
Policy-based governance for AI agent tool calls. YAML policies, approval gates, risk assessment, and audit logging. Cross-platform: LangChain, OpenAI, Anthropic, MCP.
Chimera-Protocol/csl-core
Deterministic AI safety policy engine with Z3 formal verification. Write, verify, and enforce machine-verifiable constraints for AI agents via MCP.
coreyhines/opnsense-mcp
OPNsense firewall operations via API. Query ARP, DHCP, firewall rules, logs, interfaces, system status, and packet capture via STDIO or SSE.
RoscoNL/intodns-mcp-server
Free DNS and email security scanner for AI assistants. DNS, SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI, TLS/STARTTLS, FCrDNS, CAA, TLSA/DANE, blacklist and full-deliverability checks, plus security-header/CSP analysis and bookmarkable report snapshots, via the IntoDNS.ai API. No signup or API key. `npx intodns-mcp`
beeswaxpat/chronoverify-mcp
Verify a photo's capture time and provenance before an agent trusts it: cryptographic C2PA Content Credentials validation against the official trust lists, EXIF and XMP consistency checks, and classical pixel forensics fused into one typed verdict with a 0 to 100 confidence. Free keyless tier, opt-in shareable verdict permalinks, and key-gated signed PDF audit reports. Provenance validation, not a
airblackbox/air-blackbox-mcp
EU AI Act compliance scanner for Python AI agents. Scans, analyzes, and remediates LangChain/CrewAI/AutoGen/OpenAI code across 6 articles with 10 tools including prompt injection detection, risk classification, and trust layer integration. The only MCP compliance server that generates fix code, not just findings.
Declade/lucairn-sdks
Privacy-preserving AI gateway. Sanitises PII (German + English; Microsoft Presidio + custom recognisers) before prompts reach Anthropic / OpenAI / your LLM, then emits a signed cryptographic certificate per call (Ed25519 + RFC 3161 timestamp + Sigstore Rekor anchoring). EU GDPR + AI Act ready. Free tier 500 calls/month, BYOK. Install: `npx -y @lucairn/mcp-server`. Docs: https://lucairn.eu/develope
zw008/VMware-Harden
VMware vSphere compliance and hardening — read-only baseline scanning plus drift detection across CIS, vSphere SCG, China DJCP 2.0, and PCI-DSS frameworks. 6 read-only tools with LLM-powered remediation suggestions (apply-side gated through vmware-pilot approval workflow).
WRG-11/wrg-sigma-rules
Sigma detection rule writing, validation, and conversion (Splunk/Elastic/Kibana/Wazuh) via 3 MCP tools (`draft_rule`, `validate_rule`, `convert_rule`) backed by a 61-rule production corpus across 11 MITRE ATT&CK tactic categories. Standalone server + Claude Code plugin distribution.
calllint/calllint
Pre-flight security linter for MCP servers, agent tools, and skills. Scans a config *before* it runs — offline, deterministic, evidence-backed — and returns SAFE / REVIEW / BLOCK / UNKNOWN verdicts without executing the server it judges. CLI (`npx calllint scan`), MCP server (`npx calllint-mcp`), SARIF + CI gate. UNKNOWN is never SAFE.
shieldly-io/mcp
Official [Shieldly](https://www.shieldly.io) MCP server: `analyze_iam_policy` and `analyze_cloudformation_template` tools flag AWS IAM privilege-escalation paths, wildcards, and over-permissive access. Free demo mode, no signup or API key needed. `npx -y @shieldly/mcp`.
trustscoreagent/trustscoreagent
Check the reputation of an AI microservice or public API *before* calling it, and submit ratings afterward — from a free, open trust registry (no account or API key). Scores combine Bayesian reputation and EigenTrust, strengthened by cryptographically signed service receipts and a Merkle audit trail. Install: `npx -y @trustscoreagent/mcp-server`.
fosdickio/binary_ninja_mcp
A Binary Ninja plugin, MCP server, and bridge that seamlessly integrates [Binary Ninja](https://binary.ninja) with your favorite MCP client. It enables you to automate the process of performing binary analysis and reverse engineering.
rafapra3008/cervellaswarm
Verify AI agent communication protocols using session types. Formal specification with Lean 4 proofs, linter, formatter, and LSP. Catches deadlocks and role violations before deployment.
takleb3rry/zitadel-mcp
MCP server for Zitadel identity management — manage users, projects, OIDC apps, roles, and service accounts through natural language.
chasdaddy/basescope
The read-only safety layer for onchain AI agents. 13 read-only tools on Base + EVM: token/contract safety (honeypot & rug-pull checks cross-referenced across GoPlus + honeypot.is), risky-approval detection, verified-source lookup, balances, ENS + Basenames, gas, and prices. No private keys, no required API keys. `npx -y basescope`
askalf/truecopy
Supply-chain gate for agent skills and MCP servers — scans tool definitions for poisoned instructions, pins vetted servers by content hash in a committed lock, and verifies drift in CI; the bundled truecopy-mcp proxy exposes only pinned, unmodified tools from a live server.
AgentValet/AgentValet
Identity and credential governance broker for MCP servers. Issues scoped, short-lived credentials per agent to stop credential inheritance. Audit log, human approval gates, AIMS-aligned.
chrbailey/promptspeak-mcp-server
Pre-execution governance for AI agents. Intercepts and validates every agent tool call through an 8-stage pipeline before execution — risk classification, behavioral drift detection, hold queue for dangerous operations, and complete audit trail. 45 tools, 658 tests.
infai-tech/vulnfeed-mcp
Dependency vulnerability scanner with EPSS exploit probability scoring. Scans lockfiles (npm, pip, Go, Cargo, Ruby, Composer, Gradle, NuGet, Mix), prioritizes by real-world exploit likelihood, recommends fix versions. 9 MCP tools for scanning, monitoring, and alerting. Free tier + x402 micropayments. `pip install vulnfeed-mcp`
joergmichno/clawguard-mcp
Security scanner for AI agents that detects prompt injections using 42+ regex patterns
mrz1880/mcp-keycloak-admin
Administer Keycloak through its Admin REST API — users, roles, clients, groups, identity providers, federation and events. Safe by default: read-only mode, realm allow-list, and confirmation for destructive actions. `npx -y mcp-keycloak-admin`
rob925/mcp-shield
Static security scanner and MCP server for MCP servers and AI agent tools. Detects secrets, shell execution, risky tool descriptions, environment access, and prompt-injection phrases. `mcp-shield-server`
Pentagonal-ai/pentagonal
AI-powered smart contract security forge with 8-agent adversarial pen test. Generate, audit, fix, and compile contracts across 8 chains (Ethereum, Solana, Polygon, Base, Arbitrum, Optimism, BSC, Avalanche). Token intelligence with honeypot detection. x402 USDC payments for autonomous agents.
gbrigandi/mcp-server-wazuh
A Rust-based MCP server bridging Wazuh SIEM with AI assistants, providing real-time security alerts and event data for enhanced contextual understanding.
layervai/qurl-mcp
Mint, resolve, audit, and rotate expiring scope-limited access links (qURLs) for AI agents — secure URL gateway for the qURL API. 9 tools (create / resolve / list / get / delete / extend / update / mint-link / batch-create), 3 resources, 3 guided prompts. stdio transport, OIDC-attested npm provenance.
securityfortech/secops-mcp
All-in-one security testing toolbox that brings together popular open source tools through a single MCP interface. Connected to an AI agent, it enables tasks like pentesting, bug bounty hunting, threat hunting, and more.
82ch/MCP-Dandan
Real-time security framework for MCP servers that detects and blocks malicious AI agent behavior by analyzing tool call patterns and intent across multiple threat detection engines.
MARUCIE/authbox
Zero-knowledge password manager with MCP credential gateway. BIP-39 seed phrase recovery, deterministic passwords, policy-gated AI agent access (scope, rate limits, time windows, step-up approval), 70+ API key providers, and hash-chain audit trail. Go + Next.js + TypeScript.
agentgraph-co/agentgraph
Trust verification and security scanning for AI agents. Checks security posture of third-party MCP servers and tools with signed attestations (Ed25519/JWS) before interaction.
datanexusmcp/mcp-server
55 tools for verified public data lookups — CVE/SBOM security audits, licence compliance, patents, federal contracts, NPI provider lookups, nonprofit 990 filings, and domain intelligence. No API key required.
MoltyCel/moltrust-mcp-server
Trust infrastructure for AI agents — register DIDs, verify identities, query reputation scores, rate agents, manage W3C Verifiable Credentials, and handle USDC credit deposits on Base.
shyshlakov/pci-dss-mcp
PCI DSS v4.0.1 static-analysis MCP server for Go payment codebases. 12 scanners detect PAN/CVV exposure, weak crypto, missing audit logs, vulnerable deps, TLS misconfig, auth weaknesses, plus CycloneDX 1.6 SBOM generation - each finding mapped to the exact PCI requirement. AI-assisted triage via triage_findings. Keyless-signed multi-arch Docker image on ghcr.io.