The request asks for a Trust Score API, which is a generic capability rather than a named product. Several sources offer one: TrustScoreAgent provides a free, keyless score lookup endpoint for AI microservices 1, Klymax402 returns a 0-100 composite trust score for domains, endpoints and wallets 14, and MolTrust and Synmerco return agent trust scores via their actions 1718. Note that these score different things (services, domains, wallets, or agents), so the right choice depends on wh
A question back: Are you scoring services or APIs (uptime, latency), domains and wallets, or AI agents, and do you need a free, keyless option?
- 1
TrustScoreAgenttrustscoreagent.comfound in code, not yet checked
Free reputation registry where agents look up a microservice's trust score (availability, latency, conformity) before calling it, via check_reputation and list_services 1.
for agents: list_services · check_reputation · submit_rating
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Klymax402 Trust Scoreklymax402.comverified and signed
Returns a composite 0-100 trust score with letter grade and verdict for a domain, API endpoint or crypto wallet via trust_score_evaluate, and compares 2-5 targets via trust_score_batch_compare 14.
for agents: trust_score_evaluate · trust_score_batch_compare
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Sources
- 1TrustScoreAgent: the open reputation layer for AI agentstrustscoreagent.com · read 2026-10-29
- 2TrustLayer — Helping Agents Trust Agentsthetrustlayer.xyz · read 2026-10-29
- 12TrustLayer: declares "Agent Trust Score" (the record we read and signed)unfragile.ai · read 2026-10-24
- 14Trust Score API: declares "trust_score_evaluate" (the record we read and signed)unfragile.ai · read 2026-10-24
- 17MolTrust Trust Registry: declares "Agent Trust Score" (the record we read and signed)unfragile.ai · read 2026-10-24
- 18Synmerco — Confidential Escrow for AI Agent Commerce: declares "lookup_trust_score" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
list_services · trustscoreagent-mcp found in code, not yet checked
List services that have been rated, sorted by trust score, with their per-dimension
Agent Trust Score · TrustLayer verified and signed
Quick trust score lookup (0-100) with component breakdown for any ERC-8004 registered AI agent. Costs $0.001 USDC via x402. Free demo at /demo/trust/{agentId} (5 req/hr). e.g. Get score for agent bsc:20598 e.g. Look up trust score for agent polygon:100
custom_api_call · GitHub (Activepieces) verified and signed
Custom API Call — Make a custom API call to a specific endpoint
trust_score_evaluate · Trust Score API verified and signed
Use this when you need to check if a domain, website, API endpoint, or crypto wallet is safe to interact with. Returns a composite trust score 0-100 with letter grade (A+ to F), verdict (trusted/moder
Wallet Trust Safety · Satoshidata Agent API verified and signed
Wallet trust and safety teaser e.g. GET /v1/wallets/{address}/trust-safety
· LayerCall website read, tools not yet checked
Score any IP, email, phone, domain or device for fraud in one API call. VPN, proxy, Tor and bot detection with a 0–100 risk score. Free tier, no card.
Agent Trust Score · MolTrust Trust Registry verified and signed
Returns W3C DID-based trust score (0-100) with behavioral history breakdown, sybil penalty, anomaly flags, on-chain proof. Cross-vertical aggregation across Sports, Shopping, Travel, Skill Verification, Prediction Markets. e.g. What is the trust score of did:moltrust:abc123? e.g. Verify this agent's
lookup_trust_score · Synmerco — Confidential Escrow for AI Agent Commerce verified and signed
Look up any AI agent's trust score, reputation tier, transaction history, and on-chain verification status. Free, no auth required.
assess_domain · revnuvo-mcp found in code, not yet checked
Assess the trust and risk score of any domain. Returns trust_score, risk_score, grade (A-F), recommendation (TRUSTED/REVIEW/RISKY), and risk flags like NO_DMARC, NO_SPF, NO_DNSSEC.
Trust verdict · VouchTrail verified and signed
GET /v1/verdict?subject=<url|id|@handle> — evidence-weighted, independence-collapsed score + confidence, with an optional consumer policy.
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.