"A guide to browsing the internet" matching MCP connectors:

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

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

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

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.

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

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

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.

Keep AI answers fresh with free source previews, scheduled monitoring, evidence history, and alerts.

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

Verify a skill, tool, or package before an agent installs it, or verify a scan attestation.

Free no-key IP intelligence: geolocation, VPN detection, DNS, WHOIS, blacklists, breach checks

Deterministic runtime enforcement of step order for AI agents: ALLOW/DENY before a step runs.

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

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.

Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes

Human-in-the-loop review and approval for AI agents. Audit trail, approval policies, native MCP.

Decay-weighted reputation + tamper-evident trust attestations for the agent economy.

Ask whether a location has recent credit-card-skimmer detections, from a consumer sensor network.

EU AI Act Art-14 runtime oversight: allow / flag / gate-to-human on an agent action, with receipt.