"ESP microcontroller programming and control tutorials" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Scan, fix and verify DNS: SPF, DMARC, DKIM, propagation, DNS health, expiry. Validated fixes.
Persistent knowledge graph for AI-augmented teams. Store decisions, findings, and standing rules across agent sessions with semantic search and typed connections. Includes cross-session memory, audit trail, workspace isolation, and secret detection. Built for teams running agents that need to remember. Free until launch with team tier as default, anon trial available.
Smart contract security screening for Base. Check any contract or token for risk before interacting with it: Solidity source verification, upgradeable proxies and admin or mint powers, holder concentration, dangerous selectors, and B20 issuer powers. It surfaces the usual rug pull and scam indicators. The free tool needs no wallet and no API key; the paid Flash Audit (3.49 USDC over x402) returns a report with an anchored SHA-256. Payment is the only gate.
The miniOrange MCP Server Plugin is a secure WordPress MCP Server that exposes your WordPress site as an MCP endpoint while adding enterprise-grade security, policy enforcement, and complete audit logging. Unlike a basic MCP server that simply connects AI tools to WordPress, this plugin verifies every AI request before it reaches your website. Every request is authenticated, checked against security policies, logged, and can even require human approval before execution.
Verify claims, resolve FIGI identity, extract claims, and sign x402 delivery receipts over MCP.
Domain security reconnaissance tools for AI agents via Model Context Protocol. 13 security tools — DNS, SSL, HTTP headers, email auth, port scan, propagation, reverse DNS, ASN/BGP, RDAP/WHOIS, subnet calc, and comprehensive security scan — callable from Claude Desktop and any MCP-compatible AI agent. Part of DechoNet. Every tool here is also a free web tool at dechonet.com — no sign-up, no API key — backed by error-fix guides. This package brings the same checks to AI agents.
Discovery, OAuth, project operations, and exact project MCP handoff for Spala backend projects.
Smart contract security screening for Base. Check any contract or token for risk before interacting with it: Solidity source verification, upgradeable proxies and admin or mint powers, holder concentration, dangerous selectors, and B20 issuer powers. It surfaces the usual rug pull and scam indicators. The free tool needs no wallet and no API key; the paid Flash Audit (3.49 USDC over x402) returns a report with an anchored SHA-256. Payment is the only gate.
Fallax is a phishing simulation and security awareness training platform. Read your results.
Anonymize and redact PII before it reaches AI models. GDPR, HIPAA, EU AI Act.
Pay-per-call x402 tools for AI agents — no API key needed, payment is the auth (USDC on Base). 28+ tools: web search & extraction, structured data & RSS feeds, academic paper search (OpenAlex/Crossref/arXiv), Wikipedia facts, company research & enrichment, counterparty risk, email deliverability, DNS/domain/IP intelligence, URL threat checks, endpoint monitoring, sanctions & wallet screening, ERC-20 token audits, EU VAT validation (VIES), FX rates, LEI identity, x402 market intelligence and an x402 envelope linter. From $0.001/call. First call free for new wallets on tools ≤ $0.02; volume discounts advertised in every 402 envelope. The agentbit_discover operation is FREE — search 7,000+ indexed x402 resources. Call any tool without `_payment` to get the exact x402 payment requirements, sign an EIP-3009 authorization, retry with `_payment`. Catalog: https://agentbit.app/catalog.json
Read-only MCP server that assesses action risk and exposes guardrail capabilities for AI agents.
Audit MCP configs and skill files for over-broad scope and injection risk. 6 of 8 free.
Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.
Email posture for any domain: can it receive mail, can it be spoofed? MX, SPF and DMARC.
Neutral fairness computation for agents: two or more parties submit sealed inputs, a published deterministic algorithm runs (fair division, verifiable random selection, Shapley shares), and every party receives an identical signed certificate anyone can re-run and verify for free.
Verify anything: email, phone, domain, URL and IBAN validation, phishing/malware URL screening, and OFAC sanctions checks. Pay-per-check in USDC on Base via x402 — no signup, no API keys.
MCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.
Authorized security, SEO, AI visibility, integrations, accessibility and performance audits.
Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.
