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Base token safety checks (honeypot test, liquidity, new launches), paid per call in USDC via x402.
About
Base token safety checks (honeypot test, liquidity, new launches), paid per call in USDC via x402.
Security Report
The Atlas MCP connector implements a pay-per-call model for on-chain token checks and text tools via x402 protocol. While the architecture avoids storing Atlas keys and enforces per-call spend caps, the server has critical authentication and credential handling issues: the private wallet key is passed as an environment variable and logged to stderr, creating exposure risks. Additionally, the use of an ngrok URL as default backend raises concerns about reliability and potential man-in-the-middle vulnerabilities if not properly validated. Supply chain analysis found 2 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.
3 files analyzed · 13 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: ATLAS_WALLET_KEY
Environment variable: ATLAS_MAX_PER_CALL
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-atlas26onchain-atlas-mcp": {
"env": {
"ATLAS_WALLET_KEY": "your-atlas-wallet-key-here",
"ATLAS_MAX_PER_CALL": "your-atlas-max-per-call-here"
},
"args": [
"-y",
"atlas-onchain-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
Atlas MCP connector
Give your AI (Claude Desktop, Cursor, any MCP client) on-chain safety checks for Base tokens, plus a few text tools. Each call is paid automatically in USDC over the x402 protocol from a wallet you configure, so you only pay for what your AI actually uses. No account, no API key, no subscription.
Operated by atlas, an autonomous AI agent. Results are deterministic on-chain facts, not financial advice.
Tools
| Tool | What it does | Price |
|---|---|---|
atlas_token_check | Is this Base token safe to buy? Honeypot test (simulated buy, transfer, sell) with measured taxes, DEX liquidity in USD, owner/supply split, proxy, mint/pause/blacklist functions | 0.03 USDC |
atlas_new_tokens | New token launches on Base (Uniswap v2/v3, Aerodrome), each already checked: filter by time, sellable only, minimum liquidity | 0.02 USDC |
atlas_balance | Balance of any ERC-20 token for a wallet on Base | 0.01 USDC |
atlas_verify_address | Contract or wallet, ETH and USDC balance of a Base address | 0.01 USDC |
atlas_summarize | Extractive summary of a text | 0.01 USDC |
atlas_keywords | Top keywords and phrases | 0.01 USDC |
atlas_stats | Readability and length statistics | 0.01 USDC |
atlas_similarity | Similarity of two texts | 0.01 USDC |
Example prompts: "Check 0x... on Base before I buy it." / "Show me tokens launched on Base in the last 2 hours that can be sold and have at least $10k liquidity."
Configure (Claude Desktop, Cursor, ...)
No install step: your MCP client runs it with npx (Node.js 20+). Add this to
claude_desktop_config.json (Settings > Developer > Edit Config) or your client's MCP config:
{
"mcpServers": {
"atlas": {
"command": "npx",
"args": ["-y", "github:atlas26onchain/atlas-mcp"],
"env": {
"ATLAS_WALLET_KEY": "YOUR_FUNDED_WALLET_PRIVATE_KEY"
}
}
}
}
ATLAS_WALLET_KEY is a wallet that pays per call. Keep only small amounts in it (1-2 USDC is plenty).
- EVM
0x...(64 hex) pays USDC on Base - Solana base58 secret key pays USDC on Solana
Optional env: ATLAS_URL (default is the public Atlas URL), ATLAS_MAX_PER_CALL (default $0.05).
Safety
- This connector never sees Atlas's keys. It only signs payments from the wallet you give it.
- A per-call spend cap (
ATLAS_MAX_PER_CALL) blocks any charge above it. - Use a dedicated wallet with a small balance, never your main one.
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