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Clean web reader for AI agents. Pays $0.002/call in USDC on Base via x402. No API keys.
Clean web reader for AI agents. Pays $0.002/call in USDC on Base via x402. No API keys.
This is a well-designed MCP server with strong security practices. The server properly validates the wallet private key, uses environment variables for credential storage (never hardcoded), and implements appropriate input validation via Zod. The x402 payment integration and private key handling follow cryptographic best practices. Minor code quality observations around error handling breadth and response validation do not materially impact security. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.
3 files analyzed · 6 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: SKIM_WALLET_PRIVATE_KEY
Environment variable: SKIM_MAX_PRICE_USD
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-jessiejanie-skim402": {
"env": {
"SKIM_MAX_PRICE_USD": "your-skim-max-price-usd-here",
"SKIM_WALLET_PRIVATE_KEY": "your-skim-wallet-private-key-here"
},
"args": [
"-y",
"skim-mcp"
],
"command": "npx"
}
}
}From the project's GitHub README.
MCP (Model Context Protocol) server for Skim — clean web reader for AI agents. Pays $0.002 per call in USDC on Base over the x402 protocol. No signup. No API keys. No monthly bills.
Give your agent the ability to read any URL and get back clean, agent-ready Markdown (no nav, no ads, no boilerplate) plus structured metadata (title, byline, published date, language, excerpt).
Don't have one? Create a key with
cast wallet new(Foundry) or any EVM wallet, then send USDC to it on Base mainnet from Coinbase, an exchange, or another wallet.
Edit ~/Library/Application Support/Claude/claude_desktop_config.json (macOS)
or %APPDATA%\Claude\claude_desktop_config.json (Windows):
{
"mcpServers": {
"skim": {
"command": "npx",
"args": ["-y", "skim-mcp"],
"env": {
"SKIM_WALLET_PRIVATE_KEY": "0xYOUR_BASE_WALLET_PRIVATE_KEY"
}
}
}
}
Restart Claude Desktop. You'll see a new read_url tool. Ask Claude to read
any article and it'll fetch it through Skim and pay automatically.
Edit ~/.cursor/mcp.json (or the in-app Settings → MCP panel):
{
"mcpServers": {
"skim": {
"command": "npx",
"args": ["-y", "skim-mcp"],
"env": {
"SKIM_WALLET_PRIVATE_KEY": "0xYOUR_BASE_WALLET_PRIVATE_KEY"
}
}
}
}
All MCP-compatible clients use the same shape. Run the binary as:
npx skim-mcp
with the same SKIM_WALLET_PRIVATE_KEY env var.
read_urlReads any URL and returns clean Markdown plus a YAML frontmatter block with metadata.
Input:
{ "url": "https://example.com/article" }
Output (text):
---
title: Example article
byline: Jane Doe
published: 2025-01-15
lang: en
excerpt: A short summary...
---
# Example article
The cleaned article body in Markdown...
| Variable | Required | Default | Notes |
|---|---|---|---|
SKIM_WALLET_PRIVATE_KEY | yes | — | Hex private key for the Base wallet that pays for reads. With or without 0x prefix. |
SKIM_MAX_PRICE_USD | no | 0.01 | Maximum USD per call. Caps how much the wallet will sign for in a single read. Skim is currently $0.002/call, well under this. |
SKIM_API_URL | no | https://skim402.com | Override the API base URL. Mostly for development. |
read_url call from your AI agent.https://skim402.com/api/v1/read.402 Payment Required with x402 payment details.x402-fetch signs an EIP-3009
USDC transfer authorization using your wallet, attaches it as the
X-PAYMENT header, and retries.End-to-end latency is typically <2 seconds.
MIT
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