Official Skim MCP server: clean + batch reads, JavaScript rendering, extraction, crawling, PDFs, page watches, and Signals. Typically ~4x smaller than raw HTML. Card API key first; x402 optional.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add skim402 --env SKIM_API_KEY='<SKIM_API_KEY>' --env SKIM_WALLET_PRIVATE_KEY='<SKIM_WALLET_PRIVATE_KEY>' -- npx -y skim-mcp~/.codex/config.toml
[mcp_servers.skim402]
command = "npx"
args = ["-y", "skim-mcp"]
env = { SKIM_API_KEY = "<SKIM_API_KEY>", SKIM_WALLET_PRIVATE_KEY = "<SKIM_WALLET_PRIVATE_KEY>" }
# codex mcp add skim402 --env SKIM_API_KEY='<SKIM_API_KEY>' --env SKIM_WALLET_PRIVATE_KEY='<SKIM_WALLET_PRIVATE_KEY>' -- npx -y skim-mcp~/.cursor/mcp.json
{
"mcpServers": {
"skim402": {
"command": "npx",
"args": [
"-y",
"skim-mcp"
],
"env": {
"SKIM_API_KEY": "<SKIM_API_KEY>",
"SKIM_WALLET_PRIVATE_KEY": "<SKIM_WALLET_PRIVATE_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"skim402": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"skim-mcp"
],
"env": {
"SKIM_API_KEY": "<SKIM_API_KEY>",
"SKIM_WALLET_PRIVATE_KEY": "<SKIM_WALLET_PRIVATE_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"skim402": {
"command": "npx",
"args": [
"-y",
"skim-mcp"
],
"env": {
"SKIM_API_KEY": "<SKIM_API_KEY>",
"SKIM_WALLET_PRIVATE_KEY": "<SKIM_WALLET_PRIVATE_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"skim402": {
"command": "npx",
"args": [
"-y",
"skim-mcp"
],
"env": {
"SKIM_API_KEY": "<SKIM_API_KEY>",
"SKIM_WALLET_PRIVATE_KEY": "<SKIM_WALLET_PRIVATE_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"skim402": {
"command": "npx",
"args": [
"-y",
"skim-mcp"
],
"env": {
"SKIM_API_KEY": "<SKIM_API_KEY>",
"SKIM_WALLET_PRIVATE_KEY": "<SKIM_WALLET_PRIVATE_KEY>"
}
}
}
}Remote
claude mcp add --transport http skim402 https://skim402.com/api/mcp --header 'X-Skim-Wallet-Key: <X_SKIM_WALLET_KEY>'~/.codex/config.toml
[mcp_servers.skim402]
url = "https://skim402.com/api/mcp"
http_headers = { X-Skim-Wallet-Key = "<X_SKIM_WALLET_KEY>" }
# codex mcp add skim402 --url https://skim402.com/api/mcp~/.cursor/mcp.json
{
"mcpServers": {
"skim402": {
"url": "https://skim402.com/api/mcp",
"headers": {
"X-Skim-Wallet-Key": "<X_SKIM_WALLET_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"skim402": {
"type": "http",
"url": "https://skim402.com/api/mcp",
"headers": {
"X-Skim-Wallet-Key": "<X_SKIM_WALLET_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"skim402": {
"httpUrl": "https://skim402.com/api/mcp",
"headers": {
"X-Skim-Wallet-Key": "<X_SKIM_WALLET_KEY>"
}
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"skim402": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://skim402.com/api/mcp",
"--header",
"X-Skim-Wallet-Key:<X_SKIM_WALLET_KEY>"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"skim402": {
"url": "https://skim402.com/api/mcp",
"headers": {
"X-Skim-Wallet-Key": "<X_SKIM_WALLET_KEY>"
}
}
}
}Environment variables
SKIM_API_KEYSKIM_WALLET_PRIVATE_KEY
Replace the placeholders with your own credentials and keep them out of version control.