"browser tool" matching MCP connectors:

Check text before your agent reads it: hidden instructions, invisible text and links that leak data.

Operate simulations and inspect retained evidence with Firedrill.

Free AI test helpers: injection inputs, OWASP mapping, release plans, response and tool-call packs.

Free email checks: 24 blacklists, spoofing/BEC grade, redirect tracing, email spam test, WHOIS.

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.

Agent security: prompt injection, PII & secret scans, TLS/header/CORS audits, MCP checks. Free.

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

Scan any MCP server for tool-poisoning, security, auth & license. Trust score before install.

TLPTOracle — 17-tool TIBER-EU TLPT framework: scope, threat intel, scenarios, reports.

Email OSINT Tool - Find Registered Accounts on 120+ Sites

Scan MCP servers for tool poisoning, hidden instructions and silent tool changes. Runs on Apify.

Check if an MCP server tool changed or hides injection patterns before you trust it.

Security research: MCP registries verify identity, not tool behavior. See gtfo.dev.

Audit MCP servers for tool poisoning and shadowing. Scan a remote server by URL or paste its tools.

Hyperion — MCP tool marketplace for AI agents: web, OSINT, security, research via one key.

mcp-server

com.pentest-tools

MCP server for Pentest-Tools.com: run scans, manage findings and reports via your preffered LLM.

Five free MCP tools, including proof-before-payment preview, plus one authorized x402 pack.

Browser QA agent that won't return a false green: verified PASS/FAIL + access-control probing.

Security scanner for MCP servers. Detect vulnerabilities, prompt injection, and tool poisoning.