In-depth architectural comparison of the 1inch MCP and Attest MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
1inch MCP
Finance & Fintech · Remote HTTP/SSE
Quality: 45/100 (Fair) | Auth: No auth required
Attest
Finance & Fintech · Local stdio
Quality: 49/100 (Fair) | Auth: No auth required
Verdict Summary: Choose 1inch MCP if you need specialized Finance & Fintech tools running via a hosted cloud SSE transport. Choose Attest if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose 1inch MCP when:
You need dedicated capabilities in the Finance & Fintech domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
No explicit tool names declared in metadata yet. Check project README on main listing page.
Attest Tools (2)
attest_scan
Runs a full scan on a payment endpoint URL and returns a grade (A–F), a composite score (0–100), a verdict, danger flags, price, and a link to the full report. Call this before paying an unfamiliar endpoint.
attest_grade
Fast lookup of the most recent grade for a host that has already been scanned. Good for a quick pre-check.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
1inch MCP is categorized under Finance & Fintech and uses a remote streaming HTTP/SSE transport. In contrast, Attest belongs to Finance & Fintech using local stdio subprocess. Select 1inch MCP when you need capabilities focused on finance & fintech and Attest when you require tools for finance & fintech.