"Using npx to run tools directly without requiring an API" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Production-safety audits for AI-generated code, with a fix for every finding.
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).
Passive domain-perimeter checks — cert expiry, subdomain takeover, lookalikes — as agent tools
55 tools, 7 Resources, Sigma rules, email SPF/DMARC, MITRE, CVE/KEV, risk_score. No key.
Explain a regex in plain English and detect catastrophic backtracking risk.
CVE lookups (NVD) and dependency-manifest audits (OSV) for AI agents. No API keys.
Security scanner for n8n workflows: 18 rules, OWASP Agentic mapped. Free MCP, paid x402 API.
Free lockfile malware check plus paid behavioral scan of packages, agent skills and MCP tools.
ドメインの設定を調べる MCP サーバー。SPF / DKIM / DMARC・DNS・SSL 証明書・セキュリティヘッダ・サブドメイン・類似ドメインを、公開情報だけで確認します。登録不要・無料。
Free front-end security check for any website: a grade plus the secrets and keys it exposes.
Daily CVE priorities ranked by real exploitation (KEV+EPSS) for AI agents; free teaser, paid full
Verificação de segurança e conformidade de sites: cabeçalhos, TLS, DNS, e-mail, LGPD e pentest.
Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.
Check if an MCP server tool changed or hides injection patterns before you trust it.
Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups
Scan a website for vulnerabilities: OWASP Top 10, CVEs, SSL, headers - with plain-English fixes
Scan any public site for AI-agent visibility; get scored findings, a machine-readable fix pack, and
Scan configs, files, or text for leaked secrets and obvious misconfigurations. Nothing stored.
Find known subdomains of a domain. Passive data; may include historic entries. List or count.
Security, SEO and AI-visibility scanner for web apps · free scans and focused checks via MCP.
