"Information on organizing notes" matching MCP connectors:

AI reasoning checks any document against known international standards before your agent acts on it.

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores.

AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.

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

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

JWT-gated LLM gateway: authenticate (bcrypt/JWT), then run a LangChain-on-Vertex Gemini completion.

Free no-key IP intelligence: geolocation, VPN detection, DNS, WHOIS, blacklists, breach checks

Human-in-the-loop review and approval for AI agents. Audit trail, approval policies, native MCP.

EU AI Act Art-14 runtime oversight: allow / flag / gate-to-human on an agent action, with receipt.

Verify a photo's capture time and provenance: C2PA validation, EXIF/XMP, and pixel forensics. Free keyless use; one clear verdict per image. C2PA Conformant Validator, listed on the C2PA Conforming Products List.

IOCs (URLs, domains, IPs, hashes) shared by the infosec community on X/Twitter. No auth, CC0.

Tracea — legal identity (Know Your Agent) for AI agents, on-chain. ERC-8004 compatible.

Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

CPU telemetry & benchmarking, SHA-256 hashing, AES-256-GCM storage, AI video/image via Nova.

x402 paid API tools for AI agents on Solana: crypto safety, market data, KYB/AML verification.

Supply chain risk scoring for npm, PyPI, Cargo, and Go. 9 tools. Behavioral signals.

x402-gated safety checker for npm and PyPI packages. Built for AI coding agents to call before running npm install or pip install — flags nonexistent/typosquatted names, known CVEs (OSV.dev), and suspiciously new or low-download packages. $0.005 USDC per check on Base mainnet

Screen a name against the U.S. Treasury OFAC SDN list. Information, not a compliance determination.