MCP Server Directory

AgentGrade com.agentgrade/mcp-server

Scan any website for AI agent readiness, payment protocols, and discovery endpoints

Airdrop Checker API io.github.Br0ski777/airdrop-checker

Check wallet eligibility for active crypto airdrops — LayerZero, EigenLayer, Scroll. x402.

Color Palette Generator API io.github.Br0ski777/color-palette

Generate harmonious color palettes — complementary, analogous, triadic. x402 micropayment.

AGI Alpha com.agialpha/agi-alpha

Decentralized AI agent labor market on Ethereum. 15 tools for on-chain job lifecycle.

Cron Parser API io.github.Br0ski777/cron-parser

Parse, validate and explain cron expressions. Get next run times. x402 micropayment.

Crypto News Feed API io.github.Br0ski777/crypto-news

Real-time crypto news with sentiment scores, token mentions. CoinGecko + CryptoPanic. x402.

ResearchSprint io.github.conversiondigital-cmyk/research-sprint

AI research reports: market analysis, competitor intel, blog posts. USDC payment.

Diff Checker API io.github.Br0ski777/diff-checker

Compare two texts line-by-line — additions, deletions, unchanged. x402 micropayment.

blindoracle io.github.craigmbrown/blindoracle

The trust layer for the x402 agent economy: verifiable agent identity, payment & audit.

ENS Resolver API io.github.Br0ski777/ens-resolver

Resolve ENS names to Ethereum addresses and reverse. x402 micropayment.

CIPHER x402 — Paid Solana & Crypto Tools io.github.cryptomotifs/cipher-x402-mcp

8 CIPHER tools — Solana scan, breach check, Jito, FRED, Drift, repo health, more. x402-paid on Base.

Proximens Oracle io.github.cryptosun/proximens-oracle

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

Gas Estimator API io.github.Br0ski777/gas-estimator

Multi-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.

Gas Oracle API io.github.Br0ski777/gas-oracle

Real-time gas prices, gwei tiers, USD cost estimates for Base and Ethereum. x402.

Agentry — The Trust Layer for the Agent Economy io.github.cthulhutoo/agentry

Agent registry with Nostr identity, reputation, escrow, observability, and Lightning payments.

Hash Generator API io.github.Br0ski777/hash-generator

Cryptographic hashing — MD5, SHA1, SHA256, SHA512, bcrypt. x402 micropayment.

Hyperliquid Spot API io.github.Br0ski777/hl-spot

Hyperliquid spot tokens, prices, volume, wallet balances. 454 tokens. x402 micropayment.

HTML to Markdown API io.github.Br0ski777/html-to-markdown

Convert HTML to clean markdown. Strips scripts and styles. x402 micropayment.

HTTP Headers Analyzer API io.github.Br0ski777/http-headers

HTTP header analysis — security headers, cache, server detection. x402 micropayment.

Image Resize API io.github.Br0ski777/image-resize

Resize images from URL — PNG, JPEG, WebP output. x402 micropayment.

Manage SpherePay customers, bank accounts, wallets, and transfers from Claude.

Bankruptcy Observer com.bankruptcyobserver/mcp

US business bankruptcy MCP: filings, dockets, documents, case summaries. Free tier + subscription.

JSON Validator API io.github.Br0ski777/json-validator

JSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.

Real-time Yahoo Finance data: quotes, history, financials, analyst ratings, options, and news.