"Database Query and Information Retrieval" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WHOIS, RDAP, DNS, IP/ASN/CIDR network data and Web3 names (ENS, Unstoppable, SPACE ID, Handshake) in one lookup, with mail-security grading and look-alike domain checks. No API key.
Check Québec construction contractors against official registries in one call: active RBQ licence, RENA public-contract ban and environmental penalties. Clear verdict with dated sources. Free, read-only, no account.
EU tenders and funding, CVEs with KEV and EPSS, EU CERT advisories, Amsterdam events. Pay per query.
Machine-Readable Company Profiles: find, search and read any company's Trust Profile, fact by fact.
Scan, fix, verify and monitor DNS: SPF, DMARC, DKIM, propagation, health, expiry. Validated fixes.
Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.
VPN, proxy, Tor, hosting and CDN detection for any IP address, from the VPNDetection API.
Monitor domains, trademarks and app stores for brand conflicts. Triage matches and track takedowns.
Verify a company before your agent pays, onboards or contracts it. One call returns one verdict (ok / review / blocking / not found) from official public sources: US restricted-party lists (Consolidated Screening List incl. OFAC SDN, refreshed daily), UK Companies House, Canadian federal corporations, GLEIF legal entity status, and contractor licences in Québec (RBQ, RENA), Washington and Oregon. Also: npm/PyPI package safety check. Free tools: qc_contractor_check, qc_licence, pkg_check (daily quota). Paid tools: pay per call in USDC on Base (x402), no account.
Find relevant evidence. Inspect the sources. Preserve the version your workflow used. Explore all seven Evidence Packs, their included questions and direct free-preview/purchase links: https://varexis.tech/index-packs 1. GitHub + Playwright: Compare repository and browser permissions before connecting an agent to authenticated tools. 2. Notion + Slack: Review workspace access and where content can go before connecting Notion or Slack. 3. Audit & Export Coverage - GitHub, Slack + Cloudflare: Check what a supplier's audit or export claim actually covers before using it in procurement. 4. Next.js Advisory Snapshot: Keep three selected Next.js affected/fixed source assertions and their separately dated enrichment together. 5. Code-Scanner Trust - SonarQube, Snyk & Semgrep: Check scanner permissions and the evidence needed before accepting a clean report or claimed fix. 6. Telemetry Redaction - Coverage, Exceptions & Data Flow: Review where sensitive data can remain or leave a pipeline despite a redaction claim. 7. GitHub Release Acceptance: Check whether approval and execution evidence is bound to the exact artifact being accepted. Complete published packs, sources and limitations are free to inspect and save locally. Public MCP discovery is free, unauthenticated and read-only. These are documentation reviews or selected dated advisory source assertions, not independent tool tests or current safety assessments. Paid value: server-saved retrieval of the selected version. GBP 5 Single Request saves the whole pack; GBP 19 Evidence Receipt also adds an unsigned delivery receipt, plus applicable VAT. Eligible active subscribers retrieve one whole pack using one query without another checkout. No continual refresh or permanent-retention promise. Connect: https://varexis.tech/index-connect Purchase or retrieve: https://varexis.tech/index-access Hosted Stripe and compatible authorised MPP/Stripe SPT purchases use separate authenticated paths. Agents need owner spending authority for the exact VAT-inclusive quote and required provider authentication. Not every agent or wallet is supported. Use saved results or active entitlements before buying. Recover uncertain delivery with the original purchasing path, access key and payment credential; do not buy again. Payment adds no fresh investigation, certification, independent assurance or deployment approval.
Block an action that a signed mandate does not permit, at the moment the action happens. Checks amount, payee, audience, currency, window and intent in fixed order; 100 checks a day free, then 0.005 USDC per call over x402 on Base mainnet.
OAuth website audits: security, SEO, AI visibility, integrations, accessibility and performance.
Free, no-API-key network lookups for AI agents — IP geolocation, DNS, WHOIS, HTTP and SSL/TLS certificate checks, and full domain health reports.
Disposable email checker: disposable, role, free-mail and look-alike flags. List-based, no MX.
Passport, ID and MRZ recognition via doc.cheap – Free: 100 documents every month, then $0.01 each
Validates email syntax, disposable/burner provider status, role accounts, and live DNS records.
Check an agent's INAM reputation before trusting it, and sign a receipt when work is done.
Collision-first MCP diagnostics for MCP, API, webhook and agent failures. Returns structured evidence, bounded repair guidance, agent compatibility checks and safe recovery routing.
Free website privacy scanner for pre-consent cookies, trackers, consent, policy, and HTTPS/TLS.
Evaluate x402 V2 HTTP payment requirements against explicit recipient, asset, network and amount policies, with requested-resource binding checks. Returns pay, review or do_not_pay with explanations. Public offline tools require no account, wallet or API key. Does not sign, send payments or verify on-chain settlement. Documentation: https://settlens.com/mcp — Reproducible examples: https://settlens.com/blog/check-x402-payment-policy