"Search for free open-source software" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
CVE with EPSS and CISA KEV, package risk, software EOL, domain and IP reports, pay per call
Adversarial testing for AI agents that move money: engine battery, Ed25519-sealed verdict reports.
Code security scanner for founders and small teams: leaked secrets, missing RLS, injection, CVEs
Grade a page's HTTP security headers, search penetration testing guides and send a pentest request for a person. The read tools need no authentication; request_pentest needs a free agent key.
Check a package version for known vulnerabilities and Packagist release facts.
Free website privacy scanner for pre-consent cookies, trackers, consent, policy, and HTTPS/TLS.
30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.
Live security incidents, updated hourly from CISA KEV, critical GitHub security advisories, CVE records, vendor advisories and security news. For each one: what's affected, whether a fix exists, which versions fix it, and the sources. Check a lockfile or a whole repo and get the exact upgrade. Lockfiles are read in memory and never stored. Read-only MCP server, no auth
Free email checks: 24 blacklists, spoofing grade, redirects, spam test, WHOIS, BIMI, AI readiness.
CVSS Calculator MCP is a lightweight MCP server that enables AI agents to accurately calculate CVSS Base Scores and severity ratings. Supports CVSS 2.0, 3.0, 3.1, and 4.0 for vulnerability assessment, penetration testing, bug bounty hunting, and security reporting.
Free passive outside security scan of a live web app: leaked keys, exposed files, open Supabase
Check dependencies for known CVEs with EPSS and CISA KEV context. Read-only; free API token.
Prompt-injection scanner for agents: risk score, categories and spans for text, pages, MCP tools
Scan text, web pages and MCP tool descriptions for prompt injection and tool poisoning before your agent trusts them. Free preview and MCP tool scan_text; full scans via x402 at $0.003 USDC on Base.
Queries live Google OSV.dev vulnerability intelligence for any PyPI, npm, Go, or Rust crate and re
Fetches a public http(s) URL (GET, up to 5 redirects, 10s timeout, body never read) and grades its security headers A+ to F: score, present and missing headers (HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy), per-header findings with copy-paste fix values, and cookie flag issues. Passive, SSRF-guarded. Pay-per-call via x402 ($0.01 USDC on Base); initialize and tools/list are free.
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and.
Scan a site or AI-built app for exposed databases, keys and MCP endpoints, then verify the fixes.
Test your AI agents for security and safety weaknesses, and re-verify the fixes.
Security scans for AI-built web apps, starting with Lovable. Verify ownership, run authorized scans, inspect findings, get AI-ready fix prompts and request retests. Uses OAuth with a Guarita account. Fix prompt access follows the account plan.
Authorized security scans, evidence, fix prompts and retests for AI-built web apps.
Parallel-burst abuse testing for agent APIs with replayable evidence packs.
Pay-per-call agent tools: PDF, OCR, translation, news search, prediction markets, web, chain reads.
Measured sandbox verdicts: 7-axis probe, signed pinned receipt. Cached $0.25, fresh $2.50.
Free AI test helpers: injection inputs, OWASP mapping, release plans, response and tool-call packs.
Production-safety audits for AI-generated code, with a fix for every finding.
Grades an MCP server's real egress: EVERY-HOP-VALIDATED, FIRST-HOP-ONLY, or OPEN-EGRESS.
Smart-contract security audits for EVM chains and DAML: quote, run and fetch reports.
Security scanner for MCP servers and skills: Unicode injection, patterns, secrets.
MCP server: static security scanner for MCP servers, agent skills & plugins. 17 attack patterns.
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).
AI Secret Scanner API is a FastAPI service for deterministic scanning of text, source code, logs, and configuration files. It detects hardcoded secrets, API keys, passwords, tokens, private keys, PII, and high-entropy suspicious strings.
Search excessionlabs.ai, the site of Excession Labs, a security lab, and request a security test.
Audit a dependency list for known vulnerabilities, licenses and outdated versions.
Security scanner for AI agents: prompt injection, leaked secrets, PII, and SSRF-risk URL detection.
Free CVE lookups, package checks and patch priorities from public sources. No account or API key.
Pre-install security scans for npm packages, MCP servers, and AI agents with cited verdict evidence.
CVEs, affected versions and fix versions for your dependencies, from an affected-version ledger.
30 security tools + the Vigía agent to audit MCP servers for prompt injection, SSRF, leaked secrets, auth bypass and more — scan before you connect.
Supply chain security: free npm lockfile malware check, paid scan of packages, skills, MCP servers.
