An introduction to GraphQL MCP Connectors

data-breach-detector A

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

Security Open Data

72

Spala Public MCP A

Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.

Developer Tools Security

162

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

turva-mcp A

Read-only MCP server for turva.dev, an agent-readiness audit and advisory service.

Autonomous Agents Security Developer Tools

42

pulsefeed-x402 A

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

Blockchain Payments & Billing Security

1011

endoflife.ai — Software Lifecycle Intelligence A

EOL dates and risk scores for 480+ software products. Check versions, score risk, audit stacks.

Security Legal & Compliance

52

agent-sec A

Zero-install security baseline for AI coding agents — OWASP/CWE-cited rules over MCP.

Security Code Analysis

21

AxioRank: Zero-Trust for AI Agents A

Zero-trust gateway for AI agents: score tool calls, verify agent cards, enforce policy, audit.

Security Observability

222

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

MandateShield AI Payment Evidence A

Analyzes delegated AI payment authority and exposes supported Stripe/x402 evidence contracts.

Security Payments & Billing

32

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

Second Opinion A

Adversarial verification for AI agents - pay an independent skeptic per verdict in USDC via x402.

Security Cryptocurrency AI & Machine Learning

62

kagami B

Deterministic prompt-injection detector; signed, offline-verifiable verdicts. Not an LLM.

Security AI & Machine Learning

41

AIﾉアカリ☆ Agent Trust Receipt A

Read-only Remote MCP for externally grounded AI agent trust receipts.

Security Autonomous Agents

12

vouch A

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

Finance Security

222

gate A

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

Security Agent Orchestration

22

bingbot A

Validate whether an IP address belongs to Bingbot. Remote MCP server exposing a validate_ip tool.

Security Networking & Infrastructure

12

applebot A

Validate whether an IP address belongs to Applebot. Remote MCP server exposing a validate_ip tool.

Networking & Infrastructure Security

12

Agent Observatory Digital Twin C

Public MCP digital twin with synthetic systems and an agent firewall. No customer data.

Observability Security

62

"An introduction to GraphQL" matching MCP connectors: