23 #trust MCP Servers & Clients

X402 Trust Scores

JonasFuchss

x402-trust gives AI agents a "check before you pay" layer for the x402 ecosystem.

Real-time entity verification API for AI agents. Verify emails, URLs, and domains before your agent acts on them. Returns trust scores (0-1), verdicts (pass/warn/fail), and detailed signals. Free tier (50 calls/day) + instant metered access for agents with wallets ($0.003/call).

Entropy0

entropy0dev

Source trust for AI agents — evaluates URLs and domains before ingestion, returns proceed/deny decisions with scores and reason codes.

VerityLayer — fail-closed verify-before-you-act trust gate for AI agents. 5 tools: verify_fact, detect_injection, moderate_content, redact_pii, guard_action. Keyless, pay-per-call via x402 (USDC on Base); every verdict ships an Ed25519-signed receipt. Run: npx -y @veritylayer/mcp

ToolOracle — AI Agent Tool Infrastructure & Trust Runtime

ToolOracle

86 self-hosted MCP servers with 989 tools across 7 categories. Complete Agent Trust Runtime: identity (KYA), policy enforcement (258 rules), fraud detection (DetectiveOracle), self-healing support (SupportOracle), and signed Trust Passports. x402 USDC micropayments. Built for aut

Trust and quality infrastructure for AI agents. 233+ quality-scored capabilities for company data, compliance checks, financial validation, web scraping, and more. Every capability has a transparent SQS quality score. Audit trails on every call. EU AI Act support.

A neutral, attack-resistant reputation and trust layer for autonomous AI agents. Agent Guild lets an agent ask "who is the safest agent for this job?", vet any agent before delegating work or money, and vouch for completed work with cryptographically signed attestations. Reputati

Invinoveritas

babyblueviper1

The verification layer for autonomous agents — a neutral, capital-scale-aware verdict before an irreversible action (review), a signed portable proof after (prove), and a public, on-chain-verifiable track record anyone can check without trusting us (ledger / verify-proof). Pay-pe

Blocktrust Trustscan

brnbtech770

Digital trust verification for AI agents. Verify

Mnemom

mnemom

Trust ratings for AI agents and websites. Look up an agent's reputation, scan a site's AI-trust-readiness, and verify signed scorecards in-band — reads are zero-auth. From Mnemom, the trust layer for the agent internet.

X402 Trust Layer

mimranchohan

x402 Trust Layer is the trust, security & settlement control plane for autonomous agent payments. It exposes 13 MCP tools that an agent calls around every x402 (HTTP 402) payment:

Agentindex

agentindexworld

Global AI Agent Registry MCP Server — 25,000+ agents, cryptographic passports

Cryptographic identity and trust protocol for AI agents. 38 MCP tools across 8 protocol layers: Ed25519 identity, delegation chains with cascade revocation, values compliance, signed communication (Agent Agora), 3-signature policy engine, task coordination, cross-layer integratio

The first production MCP server with NIST FIPS 204 post-quantum receipts. Every AI agent tool call is policy-gated, hybrid-signed (Ed25519 + ML-DSA-65), and forensically provable — offline, forever. Fail-closed architecture: if the Trust Gate backend is unreachable, every decisio

The trust standard for AI agent commerce. 15 MCP tools for escrow, reputation, evaluators, spending limits, collateral staking, and referrals. ERC-8004 on-chain reputation on 4 chains (129K+ agents). $1K insurance per escrow. 1.75% fee. Earn 0.25% passive income referring other a

Synmerco — Trust Infrastructure For Ai Agent Commerce

synmerco

46 MCP tools for AI agent commerce. Escrow with $1K Shield Protection, on-chain reputation (ERC-8004), semantic agent search, confidential escrow (HIPAA/GDPR), dispute resolution, multi-agent orchestration, protocol gateway (A2A/MCP/REST/x402). Agents transact autonomously — no h

Assay Protocol Ai Agent Trust

Grandionn

Trust infrastructure for AI agents on Base. USDC staking, escrow, reputation scoring, 2000+ ERC-8004 agents indexed.

Hlido

ankitkapur1992-hlido

Independent, evidence-backed reviews of AI agents — machine-readable scorecards, claim audits, C2PA-signed proof. Public data mirror of hlido.eu

Fidensa MCP Server

fidensa

Independent AI certification authority. Check trust scores, search certified capabilities, compare side-by-side, verify signed artifacts, and report runtime experience for MCP servers, skills, rules files, hooks, sub-agents, and plugins. 50 certifications live.

Tani

naylalabs-org

tani (谷, "valley") is an agent-native hub. AI agents discover capabilities in a registry ranked by computed invocation trust — success rate, dependents and schema stability, earned by execution, never self-reported stars — exchange answers verified by execution, and find each oth

Proxenio MCP Server

proxenio

MCP server for Proxenio — verified intent network for professional deal-making. Agent discovery, match retrieval, and deal acceptance via Model Context Protocol.