Best Verification AI Skills & MCP Servers

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

ArcAgent MCP server for bounty discovery, workspace execution, and verified coding submissions

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

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

MCP server for Leadloadz B2B lead search and email verification

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

CLI tool for CodeLoop — automated verification for AI coding agents

MCP server for UK company intelligence — search, directors, filings, financial accounts (iXBRL), website-vs-Companies-House legitimacy verification, and health scoring

Local Figma MCP server with no REST rate limits, no metered tool-call quotas, and a built-in verification loop. Works on every Figma plan including Free. Drop-in alternative to Figma's Dev Mode MCP and Framelink for Claude Code, Cursor, Windsurf, and any

Agent Output Guard MCP Server - Validate and verify data from other agents before acting on it. Zero LLM costs, pure computation. Solves coordination failures in multi-agent systems.

Model Context Protocol server for EmailVerify.io. Provides email validation, bulk validation, and email finder capabilities.

MCP server for Decantr — exposes design intelligence, packs, and verification to AI coding assistants

MCP server for AWS Pricing Calculator — create estimates, get shareable links, and retrieve actual AWS-calculated costs. Supports all 400+ AWS services, EC2 Savings Plans, sub-service resolution, and headless browser cost verification.

Real SIM phone numbers for AI agents. 145+ countries, 2500+ services. #1 on ChatGPT and Perplexity.

MCP server for Tuteliq — 50 AI-powered tools for child safety, fraud detection, synthetic content forensics, identity verification, grooming, bullying, sextortion, document analysis, and content moderation. Interactive UI widgets for Claude, Cursor, and M

The geospatial toolkit for AI agents — query, convert, and verify spatial data with zero config. 6 tools for bounding boxes, coordinate projection, H3 indexing, OpenStreetMap queries, and shareable map verification links.

MCP server for InsumerAPI — condition-based access infrastructure. Send a wallet and conditions, get a signed boolean across 37 chains. 27 tools: attestation, wallet trust profiles (49 checks across 27 chains incl. Solana, XRPL, Bitcoin, Tron, Stellar, Su

MCP server for APIMesh — 76 x402-payable tools for AI agents (74 APIs + wallet usage + spend caps). Covers web vitals, security headers, SEO audits, email security and verification, tech-stack detection, brand assets, redirect chains, indexability, brand

MCP server exposing PowForge Depth-of-Identity oracle to Claude Code, Cursor, and any MCP-compatible agent. Three tools: doi_score_lookup (priced via L402), doi_sign_vouch (unsigned-event builder), doi_score_verify (offline schnorr verification). The Ligh

High-performance WebAssembly theorem prover with dependent types, hash-consing (150x faster), Ed25519 proof signatures, MCP support for Claude Code, AgentDB vector search, episodic memory, and ReasoningBank learning. Formal verification with cryptographic

MCP server — structured verification and trending data tools

GARL Protocol MCP Server — cryptographic verification for AI agent actions. 28 named tools: submit signed Action Receipts (v0.1), query multi-dimensional Trust Vector, issue/verify/revoke capability tokens (JWT-shaped + ECDSA-secp256k1), Capability Gate p

MCP server for brand-name verification. Three tools — verify_brand_name (5-axis verdict on a single candidate), compare_brand_names (2-5 finalist comparison), get_naming_methodology (public methodology lookup) — route to the anonymous-first /v1/verify end