Browse all Model Context Protocol servers with quality scores, stars, languages and maintenance activity.
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`.
[Mobb Vibe Shield](https://vibe.mobb.ai/) identifies and remediates vulnerabilities in both human and AI-written code, ensuring your applications remain secure without slowing development.
Server security auditing and hardening toolkit. 413 security checks across 29 categories (SSH, Firewall, Docker, TLS, HTTP Headers), CIS/PCI-DSS/HIPAA compliance mapping, 19-step production hardening, fleet management, and forensic evidence collection. Supports Hetzner, DigitalOcean, Vultr, and Linode. 13 MCP tools.
Local-first, zero-egress security scanner for AI-generated / "vibe-coded" JS/TS. Bundles Opengrep, Gitleaks & Trivy behind one CWE-keyed schema and adds AI-code-specific checks (client-side secret exposure, Supabase RLS, prompt-injection & LLM-output XSS sinks). No account, no telemetry.
Proof-of-behavior enforcement for AI agents. Define behavioral covenant rules (permit/forbid/require), enforce at runtime before execution, get SHA-256 hash-chained tamper-evident audit logs, and verify compliance independently. Cross-agent verification handshake — no proof, no transaction. MIT licensed, 4,244 tests.
MCP server for querying the VirusTotal API. This server provides tools for scanning URLs, analyzing file hashes, and retrieving IP address reports.
AI Agent Security Middleware & MCP Server with 8-layer defense including prompt injection detection, DLP data flow tracking, command blocking, and PII detection. 7 MCP tools, zero dependencies.
MCP Server for managing & interacting with Open Source NGFW OPNSense via Natural Language
Open-source runtime security proxy for MCP. Transparently intercepts every tools/call through an 18-class attack defense pipeline (prompt injection, SSRF, shell injection, SQL injection, credential exfil, polyglot attacks) with a YAML policy engine and 304-entry adversarial corpus. Trust scoring for npm MCP packages with 0-100 badges. Cloud dashboard, Docker image, Python SDK. MIT.
Compliance and identity for AI agents — verify an agent's certificate scope, read its behavioral risk score, and append to an immutable audit trail. X.509 identity issued via AWS KMS; MiCA / EU AI Act aligned. `npx -y @kakunin/mcp`
Local credential approval and execution gateway for AI coding agents. Agents receive typed handles instead of raw API tokens, SSH keys, and cloud credentials; one-time approvals bind the credential, command, arguments, working directory, environment bindings, and target. Injects credentials only into the approved child process, sanitizes output, and records a local audit trail. Install with `npm i
Governance proxy for MCP servers. Wraps any upstream server with policy evaluation, human approval workflows, and hash-chain audit trails. 18+ framework integrations. Apache 2.0 SDK.
Credential isolation proxy for AI agents. Injects secrets at the network boundary with domain restrictions, agent authentication, and audit logging. No SDK required — works as a transparent HTTP proxy or MCP server.
MCP server for Bitwarden and Vaultwarden vault management. Search, create, edit, and organize logins, notes, cards, identities, SSH keys, folders, collections, attachments, and Sends via the official `bw` CLI.
Security-first MCP governance proxy (`sint-mcp`) with capability tokens, T0-T3 approval tiers, fail-closed execution, and tamper-evident audit receipts. Includes a separate `sint-scan` CLI for preflight MCP tool-risk audits.
Post-quantum readiness for AI coding agents: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH), explain the harvest-now-decrypt-later exposure, get NIST ML-KEM/ML-DSA/SLH-DSA (and hybrid) migration guidance, verify fixes, and check dependencies. Content-based/advisory tools only. Run local (`npx @quantakrypto/mcp`) or the hosted OAuth endpoint at [mcp.quantakrypto.com](https://mcp.
ARGUS-3 as a stdio MCP server** (`argus mcp` → `argus_ask`, `argus_status`). **WARDEN** vets third-party MCP servers before any tool runs (LUMEN-scored firewall, tool-def pinning, drift sentinel). Distinct from `aimarket-oracle-gateway` (oracle tools) and `aimarket-plugins` (hub packager). npm `@alexar76/argus3` · [live](https://magic-ai-factory.com/argus/).
Open Policy Agent (OPA) and Rego policy toolkit. 32 tools spanning authoring (format, lint, check, deps), evaluation (eval, test, bench, coverage), and OPA REST control (policies, data, decisions, compile). Wraps the OPA CLI and the [Regal](https://github.com/StyraInc/regal) linter, with AI-assisted helpers for explaining decisions, generating test skeletons, and suggesting fixes.
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.
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.
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.
Quantum-inspired keyring for AI coding agents. Secure secrets with superposition, entanglement, tunneling, and teleportation.
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.
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`
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
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.
Security gateway that wraps any MCP server with per-tool policies, approval gates, and optional Ed25519-signed receipts. Shadow mode logs every tool call; enforce mode blocks, rate-limits, or requires approval.
MCP server for Zitadel identity management — manage users, projects, OIDC apps, roles, and service accounts through natural language.
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`
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.
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`
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.
Supply chain risk scoring for npm, PyPI, Cargo, and Go packages. 9 tools for behavioral trust signals — publisher depth, release consistency, maintenance patterns. Both axios and node-ipc scored CRITICAL before they got attacked. Free CLI, CI gate, REST API. No API key required.
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.
Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.
Security and governance proxy for MCP infrastructure. Enforces YAML-configurable policies (blocklists, rate limits, token budgets), tracks real token costs via tiktoken, monitors server health with live JSON-RPC probes. Features include OAuth 2.1/OIDC with RBAC, web dashboard with Prometheus metrics, payload normalization against encoding bypasses, semantic shell AST analysis, mTLS zero-trust netw
AI agent security scanner. Audits MCP servers for vulnerabilities, detects prompt injection, infinite loops, token bombing, and missing human oversight across 20+ frameworks. Maps findings to EU AI Act, OWASP LLM Top 10.
MCP server for RAD Security, providing AI-powered security insights for Kubernetes and cloud environments. This server provides tools for querying the Rad Security API and retrieving security findings, reports, runtime data and many more.
MISP (Malware Information Sharing Platform) MCP server with built-in prompt injection defense via [prompt-defense-audit](https://github.com/ppcvote/prompt-defense-audit). 8 read-only threat-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.com/MISP/MISP/issues/10745). M
Solana token safety oracle for AI agents and trading bots. Byte-level SPL mint analysis, honeypot detection, freeze/mint authority checks, Birdeye market enrichment, and composite risk scoring. Deployed on Google Cloud Run.
Security & trust layer for AI agents. Scan an MCP server or skill *before* you install it (`scan_mcp_plugin`, `scan_skill`) — flags exfiltration, prompt-injection sinks, dangerous capabilities, install hooks and obfuscation → PROCEED/CAUTION/BLOCK. Plus `vet_endpoint` (endpoint safety verdict before an agent calls or pays it) and 25 more tools: vuln scans, threat intel, compliance (SOC 2/ISO 27001
Security testing MCP server with 51 tools for penetration testing, network forensics, memory analysis, and vulnerability assessment.
56 deterministic fact-checkers in one server (IBAN, VAT, VIN, GTIN/barcodes, national & tax IDs, crypto addresses, phone, dates, holidays) — verify the structured facts an agent emits against checksums and curated data.
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.
Domain security & privacy checker: 17 live checks (SPF, DMARC, DKIM, DNSSEC, TLS, CAA, security headers) scored 0-100 with remediation. Local-first, zero telemetry. In the official MCP Registry as `com.oksigenia/checker-mcp`; npm `@oksigenia/checker-mcp`.
A secure MCP (Model Context Protocol) server that enables AI agents to interact with the Authenticator App.
A powerful MCP (Model Context Protocol) Server that audits npm package dependencies for security vulnerabilities. Built with remote npm registry integration for real-time security checks.
MCP stdio interceptor (`@jamjet/mcp-shim`) that applies one YAML policy file (block / require_approval / audit / budget cap) to `tools/call` requests before they reach the real MCP server. The same policy also runs in Claude Code PreToolUse hooks (`@jamjet/claude-code-hook`), OpenAI Agents SDK guardrails (`@jamjet/openai-guardrail`), and JamJet's Python/TS SDKs — `jamjet audit show` tails every de