Services or tools that don't require a separate API key MCP Connectors

data-breach-detector A

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

Open Data Security

72

quantakrypto pqc-tools A

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Security Code Analysis

11210

AINumbers Fintech Intelligence Suite B

530 MCP tools across 561 fintech tools: ChainGraph AP2 decisions, execution_hash. Zero PII.

Finance Payments & Billing Security

64422

Data Compliance Classifier MCP A

Classify data safety before storing or sharing. GDPR, HIPAA, PCI-DSS, CCPA. AI-powered.

Legal & Compliance AI & Machine Learning Security

32

~Alter Identity A

Identity infrastructure for the AI economy. Confirms if someone is known; returns inferred traits.

AI & Machine Learning Cryptocurrency Security

1621

quantakrypto pqc-tools (hosted)A

Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.

Code Analysis Security

112

CertScore.ai A

Scan public websites for privacy, cookie, tracker, consent, policy, and disclosure risk signals. Start instantly with zero-auth Light mode—no account or API key required.

Browser Automation Security

33

BlockchainAnalysis A

Is a wallet frozen by Tether/Circle? Free freeze checks + full history, screening & KYT. 9 chains.

Cryptocurrency Blockchain Security

93

Sentinel A

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

Security Blockchain Cryptocurrency

22

Oakallow AOAuth

Runtime permission, approval, and audit layer for AI agent tool execution.

Security Autonomous Agents

521

PropelAuth Integration MCP Server A

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Developer Tools Security Autonomous Agents

112

ContrastAPI A

55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.

Security Penetration Testing AI & Machine Learning

55232

cve-intelligence A

CVE intelligence: exploitation (KEV/EPSS), detection coverage, fixed versions. All tools keyless.

Security Monitoring Observability

51

MacTech CMMC / NIST 800-171 A

NIST 800-171 controls and 800-171A objectives, crosswalks, exact SPRS scoring, POA&M generation.

Security Legal & Compliance

131

TrustBench A

x402 provider rankings + Ed25519-signed payment receipts + signature verification (3 tools).

Payments & Billing Security

32

MacTech STIG A

2,029 DISA STIG rules with official check/fix text, CCI mappings, and .ckl checklist export.

Security Search Documentation Access

41

crx-permission-risk A

Score the privilege a Chrome MV3 extension takes from its manifest, and diff permission sets.

Security Code Analysis

31

ecoa A

Verificação de segurança e conformidade de sites: cabeçalhos, TLS, DNS, e-mail, LGPD e pentest.

Security Penetration Testing Legal & Compliance

31

tollbooth-oauth2-collector A

Unauthenticated OAuth2 callback collector for Tollbooth MCP services

Security

41

CryptoGuard A

Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.

Blockchain Cryptocurrency Security

72

"Services or tools that don't require a separate API key" matching MCP connectors: