"Tools for visualizing NetworkX graphs without an API key" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Technology intelligence feed for AI agents: tech stack, compliance, security.
Signed, traced record of what an npm package or file attempts when run, network included. No key.
Find lookalike domains of a brand's website and see which resolve and what they show.
Runtime permission, approval, and audit layer for AI agent tool execution.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Prove end users to agents and apps: login-links, OIDC clients, and API keys over remote MCP
Check dependencies for known CVEs with EPSS and CISA KEV context. Read-only; free API token.
VPN, proxy, Tor, hosting and CDN detection for any IP address, from the VPNDetection API.
External checks of TLS, HTTP headers, email domain, DNS and ports, with cause and fix
DNS and email security: check SPF, DKIM, DMARC, DNSSEC, DANE and build the records. 45 tools.
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
Causal guardrail: pass/caution/hold verdict on a causal claim before an agent acts.
Sourced privacy answers: how private an app is, tool picks, app swaps, de-Googling, breaches.
Free website privacy scanner for pre-consent cookies, trackers, consent, policy, and HTTPS/TLS.
Incident-reporting deadlines from the law: CRA, NIS2, DORA, GDPR, HIPAA, SEC 8-K. 6 of 9 tools free.
Scan text for prompt injection: risk score, verdict, matched spans. Built by Crypto Money Maker
Smart-contract risk reports for AI agents on 20 EVM chains, paid per call via x402 ($0.02 USDC).
Pre-sign safety check for agent wallets: tx, EIP-712, EIP-7702, x402. By Crypto Money Maker
Verify an AI agent artifact: schema, emptiness, provenance and mandate authority, Ed25519-signed.