How to work with Google Sheets MCP Connectors

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

patch-tuesday A

Query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment

Security

124

Agentic Reputation Gateway A

Read-only gateway for durable agent identity, consent, recognized work, and signed receipts.

Security Autonomous Agents Web3 & Decentralized Tech

71

dns A

DNS and email security scanner with 80 MCP tools for SPF, DMARC, DNSSEC, SSL, and brand audits.

Networking & Infrastructure Security Email

8026

Lotus — AI Citation Intelligence A

Measure how AI assistants cite your brand. Returns measured data and ready-to-apply fixes.

Security Search

122

Raziel A

MCP server teaching AI agents to implement TideCloak: auth, E2EE, IGA, security analysis

Security Autonomous Agents

162

auth-token-service B

Hash passwords with bcrypt and issue/verify JWT session tokens over A2A + MCP.

Security Developer Tools

121

nucleus B

Sovereign Agent OS — Persistent Memory, Governance & Compliance for AI Agents.

Autonomous Agents Knowledge & Memory Security

2824

WORKS Public Verifier A

Independent static verification for exact immutable public GitHub commits.

Version Control Code Analysis Security

32

qeaas-mcp A

QRNG-seeded random bytes, seeds, and ML-KEM-768 keys with signed provenance receipts.

Security Cryptocurrency

611

Flashpaper A

Self-destructing secret sharing for AI agents: encrypted burn links for credentials, plus an agent-to-agent dead-drop with exactly-once claim semantics. RAM-only, no database, open source (MIT). Source: https://github.com/mmmpym/flashpaper

Security Autonomous Agents

42

Breach402 Owner Protection A

Protect owners with private checks across 13.3B+ breach records and prioritized defenses.

Security Autonomous Agents

82

security-preflight A

Static MCP manifest and tool-policy security preflight with signed input-redacted receipts

Security Developer Tools

32

CausalLayer MCP A

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

AI & Machine Learning Blockchain Security

1022

vouch A

Check if a counterparty is safe to pay: trust/risk score for AI agents. Scam/phishing screen.

Finance Security

222

agent-verified-relay B

Viridis Verified: wrap any MCP server with tamper-evident delivery receipts + metered fees.

Security Payments & Billing

72

gate A

Deterministic gate for AI agents: ALLOW/DENY a step before it runs, sealed to a verifiable receipt.

Security Agent Orchestration

22

whoisgenius A

Domain attribution and correlation for AI agents, with confidence and per-signal evidence.

Security Networking & Infrastructure

22

CertScore.ai — Light mode A

No-account public website privacy risk scans with 20 new scans/day and free recent-result reuse.

Security Penetration Testing

32

"How to work with Google Sheets" matching MCP connectors: