"oracle" matching MCP connectors:

Crypto compliance MCP: stablecoin-freeze, token security, wallet screening, KYT & oracle verdicts.

Pre-signature x402 payment-risk oracle. AI agents call forecast_payment before paying a counterparty and get a GO / HOLD / STOP verdict from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions screening — plus a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; returns an x402 payment challenge over that.

Ed25519-signed ground-truth oracle — 63 paid x402 tools live on Base mainnet.

Non-custodial cross-chain crypto swap MCP — 1288+ assets, no KYC. Solana/EVM/Monero, RPC, oracle.

Ed25519-signed market open/close receipts for NYSE, NASDAQ, LSE, JPX, Euronext, HKEX, and SGX.

Search & compare prices for tours, activities and tickets across multiple providers.

Neutral W3C DID/VC identity and reputation oracle for AI agents (did:key/did:web, eddsa-jcs-2022).

MCP tools: collectible price-fairness, recall safety, drop tracking, card grading, settlements.

Crypto price and threshold consensus with ML-DSA-65 attestation and Base anchoring.

Deterministic safety, correctness & cost gate that vets Postgres SQL before your AI agent runs it.

Independent A-F trust grade for any MCP server, watched for drift. Free, never for sale.

Reputation-ranked analyst earnings estimates. Pay per call via x402 on Base.

Reputation oracle for AI agents on Base: SAFE/CAUTION/BLOCK + 0-100 score before you pay. x402+MCP

1000+ Generative Engine Optimization (GEO) principles exposed via MCP for AI agents.

I-Ching (周易) oracle: cast a hexagram, read classical commentary, get a reflection. Bilingual.

AI-native stablecoin settlement rail replacing SWIFT for institutional cross-border payments. 14 tools covering settlement quotes, execution, ESG scoring, oracle status, fee verification, competitor comparison, rail health, investment context, and MPP-gated macro intelligence. Settles via Base mainnet USDC at ~1.385% all-in.

Agent-native price and event oracle with cryptographic source attestation

AgentGuard — 20-tool AI safety MCP: policy preflight, risk scoring, audit logging, rate limits.

AML/CFT compliance oracle: wallet screening, sanctions, PEPs, jurisdiction risk.

A high-performance, persistent memory vault for autonomous agents. Enables cross-session state management and long-term context storage. Privacy-first: all keys are SHA-256 hashed locally before storage. Edge-optimized for sub-50ms latency via Vercel and Upstash. Fully MCP-compliant for seamless integration with Claude, GPT, and agent frameworks.