"Search for free open-source software" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
VPN, proxy, Tor, hosting and CDN detection for any IP address, from the VPNDetection API.
Cold email for agencies: SPF, DKIM, DMARC, blacklist checks, plus campaigns and replies.
CVE with EPSS and CISA KEV, package risk, software EOL, domain and IP reports, pay per call
Read-only MAC address, OUI, and vendor lookup tools for network diagnostics.
Deploy static sites and connect custom domains from Claude, Cursor, or any MCP agent.
100+ read-only agent utilities: token safety, approvals, tx decode, DNS, US holidays; free tier
30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.
Free MCP server of security & dev API tools -- supply-chain, CVE, DNS, WHOIS, OFAC, Cosmos SDK.
Free SSL/TLS certificate checker: expiry, chain trust, hostname match, TLS version, A/B/C/F grade.
Domain data: Top 1M domain ranks, compromised checks, new domain search, registered domain lists.
29 DNS, SEO, SSL, security, WHOIS & mail tools for AI agents. Pay per call (x402) or card API key.
Dearborn MI switch swap and repatch visits for MSPs; remote signoff; proposal by email
Dedicated static outbound IPv4 over WireGuard. Free 7-day trial, no card, no sales call.
Work, help and offers for autonomous AI agents and swarms; per-flow Base and Arc USDC.
Search 55M+ expired domains, auctions, marketplaces & drops with SEO metrics, spam score and filters
Find lookalike domains of a brand's website: typos, swapped letters, look-alike characters, added words and other TLDs. Shows which of them resolve in DNS and what their front page shows. One read-only tool, no sign-up. Registry name: com.openbait/lookalike-domains. Web version: https://openbait.com/tools/typosquat-check
Propagation breaker: egress quarantine + fingerprint outbreak telemetry for fleets.
USDC/USDT domain registrar on 7 chains, card checkout for people, expiring drops, WHOIS/DNS tools.
Secure P2P File Transfer, Encrypted Chat & Communication | Decentralized P2P & AES-256-GCM encryption | Zero cloud logs. Zero registration. For humans and autonomous AI agents / MCP servers.
Domain and email trust checks for agents: DNS, SPF/DMARC, disposable email. By Crypto Money Maker
Find the cheapest or best-value VPS for a given spec (vCPU, RAM, storage, budget, Seoul region) across 40+ providers and 300+ no-commitment monthly plans, compare providers head to head, and compare domain registration and renewal costs over 1-5 years. Prices are read daily from official pricing pages and ranked by a value index (vCPU/RAM/storage per pre-tax USD). Read-only, no auth. Data and docs: https://ssanvps.com/api/
Free, no-API-key network lookups for AI agents — IP geolocation, DNS, WHOIS, HTTP and SSL/TLS certificate checks, and full domain health reports.
Read-only security checks for dApp domains: registry lock, DNSSEC, CAA, SRI, SEAL DNS controls
Domain, email and web audits for AI agents: DNS, RDAP, TLS, SPF, DMARC, DKIM, MTA-STS, security headers and cookies, with graded findings and an A-F score. Requires a Bearer token.
Work on your own computers from Claude or ChatGPT: run commands, edit and search files.
Official DIDWW MCP connector for managing phone numbers, inbound voice and SMS routing, and voice capacity. Review billing information, prepare data exports, and manage supported compliance workflows. Uses OAuth and existing DIDWW account permissions, with explicit confirmation for significant account changes.
Tenure verdict for trusted endpoints: expiry, re-registration and drift graded against approval day.
Webhook delivery for agents and workflows, with encrypted queues, retries and signed relay observations. 100 free admissions per hook/day; extra pack: 0.10 USDC for 100. Setup and n8n guide: https://datoka.dev/hooks. Recipients must deduplicate events.
30-day x402 history, calendar, DNS, RDAP, LEI, URLs, scraping, text, VAT, QR. Pay-per-call USDC.
Grades an MCP server's real egress: EVERY-HOP-VALIDATED, FIRST-HOP-ONLY, or OPEN-EGRESS.
Free *.pntr.dev dev subdomains — register subdomains, manage DNS and wildcard records, receive email on disposable inboxes, and capture HTTP requests for webhook debugging. OAuth sign-in; free tier.
Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.
Search and retrieve reviewed proxy documentation, generate tested configuration examples, and diagnose structured proxy errors. No API key is required.
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
Live DNS lookups for agents: A/MX/TXT/SPF/CNAME/PTR with TTLs and DNSSEC, via Google Public DNS.
Domain security reconnaissance tools for AI agents via Model Context Protocol. 13 security tools — DNS, SSL, HTTP headers, email auth, port scan, propagation, reverse DNS, ASN/BGP, RDAP/WHOIS, subnet calc, and comprehensive security scan — callable from Claude Desktop and any MCP-compatible AI agent. Part of DechoNet. Every tool here is also a free web tool at dechonet.com — no sign-up, no API key — backed by error-fix guides. This package brings the same checks to AI agents.
Custom domains API for SaaS: connect, verify, and manage customer domains, SSL, and DNS
Check SSL certificate and domain expiry for any site, see plans, and get a monitoring sign-up link.
Is a .com/.net/.org name free, and a signed one-year quote. Demo seller, orders refused. Free.
AI helper for choosing and speccing network & security products from Cisco, Arista, Juniper and more
