"Servers Offering MCP Prompts as Prompt Primitives" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check text before your agent reads it: hidden instructions, invisible text and links that leak data.
Find hidden prompt-injection text: ASCII smuggling, zero-width/emoji stego, bidi, homoglyphs.
Authorized security scans, evidence, fix prompts and retests for AI-built web apps.
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.
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
Agent security pre-checks: prompt-injection scan, MCP tool-poisoning scan, x402 endpoint check.
Scan text, web pages and MCP tool definitions for prompt injection before your agent reads them. Risk score, verdict, exact spans. Free MCP tool; paid calls use x402 USDC on Base. Built by Crypto Money Maker. https://youraitools.co/guides
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.
Prompt-injection scanner for agents: risk score, categories and spans for text, pages, MCP tools
Scan a public GitHub repo, explain risks, get fix prompts and rescan to confirm fixes.
Agent security: prompt injection, PII & secret scans, TLS/header/CORS audits, MCP checks. Free.
50-vector prompt-injection, llms.txt poisoning, SSRF & OpenAPI scanner ($1 USDC).
Exposes FEDLIN's public security scanners as agent-callable tools over Streamable HTTP.
Scan any public URL for hidden instructions aimed at AI agents (prompt injection). Free, no auth.
Scan, monitor and fix a live web app from your editor: graded security reports with fix prompts.
Scan a page for hidden prompt-injection payloads targeting AI agents.
Scan text, documents, websites, and MCP metadata for prompt injection and sensitive-data risks.
35-probe LLM/agent security red-team scan (injection, jailbreak, MCP abuse) with report.
Prompt injection and system-prompt extraction testing for LLM agents. Free 8-probe sample.
Discover a site's pages from its sitemap and sample them for WCAG and prompt-injection risk.
Security scanner for AI agents: prompt injection, leaked secrets, PII, and SSRF-risk URL detection.
Scan AI agent skills and configs for hidden Unicode, prompt injection and exfiltration.
Security scanner for MCP servers. Detect vulnerabilities, prompt injection, and tool poisoning.
