Best Verification AI Skills & MCP Servers

Trust verification CLI for AI packages — check MCP servers, A2A agents, AI tools, and LLMs before you install

MCP server for SourceVerify citation verification API

FDKEY verification middleware for MCP servers — gate AI-agent access behind LLM-only puzzles. Runs on Node 18+, Cloudflare Workers, Bun, and Deno.

MCP server for Leadloadz B2B lead search and email verification

Signaliz MCP server for Claude Code - GTM Kernel, Nango routes, async enrichment, and operating tools.

GenZAgents MCP server — verify AI agents, issue receipts, and look up trust scores from any MCP-compatible client

Verifier library for atrib. Independent signature, graph-derivation, and settlement-recommendation checks per atrib spec §4.6.

VibeCheck MCP — the code intelligence layer for AI-built software, wired into your agent. Truth-grounded, runtime-aware, multi-agent. 16+ verification engines, runtime probes, and live truthpack context for Cursor, Claude, Windsurf, and any MCP-compatible

MCP server for haluguard — hallucination detection for LLM apps. Plugs into Claude Code, Cursor, ChatGPT Desktop and any MCP-compatible host.

CodeLoop MCP server - verification, self-repair, and recommendation layer for AI coding agents

AGLedger™ SDK — Accountability and audit infrastructure for agentic systems.

The CLI for IronBee — Verification and Intelligence Layer for Agentic Development

CLI tool for CodeLoop — automated verification for AI coding agents

MCP server for Cascrow — AI-verified milestone escrow on the XRP Ledger

MCP server for AgentOracle — claim verification for AI agents. Verify before you act. x402-native on Base, SKALE, Stellar.

Model Context Protocol server for ZeroBounce email validation, verification, and intelligence. Provides comprehensive email validation, AI scoring, email finder, domain search, and bulk processing capabilities for AI coding assistants.

Runtime verification for AI coding agents. MCP server that lets Claude Code verify code changes work end-to-end via Playwright + OpenTelemetry + SigNoz.

MCP server for integrating Omnisearch with LLMs

Discover supported verification scopes and the claims they provide. Initiate and monitor data wallet verification flows to securely receive redacted wallet data. Clean up completed sessions to keep workflows organized.

Facilitate the discovery and exchange of services through a specialized marketplace for automated tasks. Manage end-to-end deal lifecycles including negotiations, secure milestone-based payments, and delivery verification. Build trust within the ecosystem through a transparent re

Earn from your audience or buy ad distribution — the only agent ad network with independent delivery verification. Publishers receive 100% of the agreed price with zero deductions. Verified deliveries settle immediately in USDC on Base, no waiting for advertiser review. 14 tools

PoW CAPTCHA verification for MCP clients. Exposes generate_challenge and verify_solution tools — stateless proof-of-work that agents can embed in auth flows. L402 Lightning skip tier available for trusted clients. No API key required for PoW path.

Search and license 217,000+ authentic vintage 8mm home movie clips from the 1930s-1980s. Remote MCP server with 6 tools over Streamable HTTP. Text search, visual similarity, rough-cut timeline builder, rights verification, and instant licensing via x402 USDC payments on Solana an