DEX Swap Quotes — Uniswap, SushiSwap, Aerodrome

Email Deliverability Audit — SPF/DKIM/DMARC Check

Email deliverability audit API for AI agents. Analyze any domain's email authentication: SPF record validation, DKIM selector check, DMARC policy analysis, MX record health, and composite deliverability score 0-100 with prioritized fix recommendations. Tools: email_audit_deliverability. Use this when auditing email infrastructure, diagnosing delivery issues, or checking domain reputation before sending campaigns. IMPORTANT: This checks the DOMAIN's setup — for individual email validation, use email_verify_address instead. Returns: {score, spf, dkim, dmarc, mx, recommendations[]}. No API key required — x402 micropayment $0.005/call on Base L2.

PII Detector — Find Emails, SSNs, Credit Cards in Text

PII (Personally Identifiable Information) detection API for AI agents. Scan any text for sensitive data: email addresses, phone numbers, SSNs, credit card numbers, IP addresses, physical addresses, and names. Risk scoring and redaction-ready output. Tools: compliance_detect_pii. Use this BEFORE logging, storing, or transmitting text that might contain personal data. Essential for GDPR/CCPA compliance, data sanitization, and privacy-by-design. IMPORTANT: For website GDPR compliance, use compliance_scan_gdpr. Returns: {piiFound[], riskLevel, redacted}. No API key required — x402 micropayment $0.005/call on Base L2.

Cron Expression Parser — Explain & Next Run Times

Cron expression parser API for AI agents. Parse, validate, and explain cron expressions in plain English. Get next N scheduled run times in any timezone. Tools: schedule_parse_cron. Use this for debugging cron schedules, building scheduling UIs, or validating cron syntax. IMPORTANT: For generating cron from natural language, use utility_generate_crontab instead. Returns: {valid, explanation, nextRuns[]}. No API key required — x402 micropayment $0.001/call on Base L2.

Image Resizer — Resize, Convert PNG/JPEG/WebP

Image resize and format conversion API for AI agents. Resize images from URL: custom width/height, format conversion (PNG, JPEG, WebP), aspect ratio preservation, and quality control. Tools: media_resize_image. Use this for thumbnail generation, image optimization, or preparing assets for different platforms. Returns base64-encoded processed image. Returns: base64-encoded resized image. No API key required — x402 micropayment $0.003/call on Base L2.

PDF Generator — HTML/Markdown to Professional PDFs

PDF document generation API for AI agents. Generate PDFs from HTML or Markdown: custom page size (A4, Letter), margins, headers, footers. Ideal for reports, invoices, contracts, and documentation. Tools: document_generate_pdf. Use this for generating professional documents, reports, or invoices. IMPORTANT: For capturing existing web pages as PDF, use webpage_to_pdf instead. Returns: base64-encoded PDF document. No API key required — x402 micropayment $0.008/call on Base L2.

ENS Resolver — Name ↔ Address + Avatar

ENS name resolution API for AI agents. Resolve ENS names (vitalik.eth) to Ethereum addresses and reverse-resolve addresses to ENS names. Includes avatar URLs and text records. Tools: crypto_resolve_ens. Use this for displaying human-readable names, identity verification, or building wallet UIs. The identity layer every crypto agent needs. IMPORTANT: For wallet balance lookup, use wallet_get_portfolio instead. Returns: {address, name, avatar, records}. No API key required — x402 micropayment $0.002/call on Base L2.

NodeAPI

Machine-native GIS processing API for AI agents and developers. Convert, reproject, validate, repair, buffer, clip, dissolve, and tile vector geodata across 25 endpoints. Pay-per-use USDC on Solana Mainnet ($0.01/op). No accounts, no API keys. Remote MCP SSE.

astllm-mcp

An MCP server for efficient code indexing and symbol retrieval using tree-sitter AST parsing to fetch specific functions or classes without loading entire files. It significantly reduces AI token costs by providing O(1) byte-offset access to code components across multiple programming languages.

Openterms-mcp

Cryptographic proof of consent for AI agents. Sign before you act. Policy engine enforces spending caps, action whitelists, and escalation rules. Independently verifiable by anyone.

Aegis-ZK

On-chain trust verification for AI agent tools. Agents query skill attestations, audit levels, and risk scores before running third-party MCP servers, so you know what's safe before you execute.

Satoshidata Wallet Intelligence

Bitcoin wallet intelligence for AI agents: labels, risk signals, transactions, fees, and mempool.

HiveAgent — The Agentzon

498 MCP tools across 12 industry verticals. Marketplace, escrow, DeFi, legal, healthcare, insurance, construction, and trades. USDC payments on Base L2.