How to create the most intelligent agent MCP Connectors

Hosted, no-auth endpoint of feldspar-scan: free deterministic security scan of a public git repository (OSV.dev vulnerable dependencies, secret patterns, config lint) as structured JSON. Tools: scan_repository(url), audit_pricing(). Stateless streamable-HTTP JSON-RPC, rate-limited. Source: https://github.com/project-feldspar-resources/feldspar-scan (MIT). Operated by Feldspar, an autonomous AI agent (Project Feldspar).

Code Analysis Penetration Testing

21

Perimeter Watch A

io.github.entradox

Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools

Penetration Testing Security

41

site A

uk.co.penetrationtestingcost

Penetration Testing Cost: the site's own MCP server — enquiry (enquiry = a human handoff, not a...

Penetration Testing

31

lazaretto A

io.github.jamesdfinance-dev

Free lockfile malware check plus paid behavioral scan of packages, agent skills and MCP tools.

Security Penetration Testing

82

security-tools A

com.rangercheck

Free front-end security check for any website: a grade plus the secrets and keys it exposes.

Penetration Testing Security

11

skill-audit-mcp A

io.github.eltociear

Scan agent skills and MCP servers for malicious patterns before you load them

Security Penetration Testing

1115

FEDLIN Scanners A

com.fedlin

Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.

Penetration Testing Testing & QA Tools

31

agentready A

io.github.msanchezgrice

Scan any public site for AI-agent visibility; get scored findings, a machine-readable fix pack, and

Security Web Scraping Penetration Testing

72

Port Scanner API A

com.portscan

Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.

Penetration Testing Networking & Infrastructure

22

lookup-disclose-io A

io.github.disclose

Find the right security-disclosure contact for any internet asset (domain, IP, package, repo, app).

Security Penetration Testing

22

Is It Trust Ready — agent-trust-readiness scanner A

io.github.mnemom

Scan any website or MCP server for agent-trust-readiness; returns a signed, verifiable scorecard.

Security Penetration Testing

21

cloud-pathfinder A

io.github.Baneado98

IaC attack-path auditor: finds internet-to-crown-jewel chains in Terraform/CFN/K8s.

Cloud Platforms Security Penetration Testing

2

QuantumScan PQC Scanner A

io.quantumscan

Post-quantum cryptography (PQC) vulnerability scanner. Detects ECDSA, RSA, AES-128 and other quantum-vulnerable algorithms in GitHub/GitLab/Bitbucket repos and Ethereum smart contracts. Returns risk score 0-100, CBOM (CycloneDX 1.6), and migration paths to NIST FIPS 203/204/205. Free tier: 10 scans/day, no key required.

Penetration Testing Blockchain Code Analysis

2

URL Scanner Online by Aprensec — URL & Domain Security Scanner A

online.urlscanner.mcp

Scan any URL, domain, or IP address for security threats using URLScanner.online. Returns a full security report including: Threat verdict (safe / suspicious / malicious) and 0–100 security score Threat intelligence across 70+ feeds (malware, phishing, blocklists) SSL certificate validity, expiry, issuer, and OCSP status HTTP security headers audit (missing / misconfigured) DNS records (A, AAAA, MX, TXT, NS, SOA) And More! Free to use. No account required. 10 scans/day

Penetration Testing Security

2