b20check
MCP serverEverything elseb20check verifies B20 tokens on the Base network. Once added, your AI can check a token's issuer powers, detect imposters, and return a signed verdict on whether the token checks out.
Use b20check in Claude, ChatGPT or Ahel Desktop
Free. Sign in, add b20check and connect your AI. About a minute.
Also: Claude Code · Cursor · Codex
Then ask your AI: use b20check to verify b20 token
No key or account is asked for. Not verified by us yet: Ahel has not run a call through it.
Details
Available today. Use it from your connected AI after setup.
No key or account is asked for. Not verified by us yet: Ahel has not run a call through it.
Add b20check, then give your AI a B20 token on Base to verify. It will report the issuer powers, run the imposter check, and return a signed verdict.
What your AI can do with it
- Verify B20 tokens on Base
- Check what powers a token's issuer holds
- Detect imposter tokens
- Produce a signed verdict for each verification
Install b20check
The server’s own address, for the clients that take one directly. Or connect Ahel once and every client you use reads it from one address, with the account kept on Ahel rather than in each client’s config.
Claude Code
claude mcp add --transport http --scope user b20check 'https://b20check.com/mcp'Run it once in your project, then open /mcp to approve any sign-in the server asks for.
Claude Desktop
https://b20check.com/mcpAdd a custom connector in Settings, paste this address, and approve the sign-in.
Cursor
cursor://anysphere.cursor-deeplink/mcp/install?name=b20check&config=eyJ1cmwiOiJodHRwczovL2IyMGNoZWNrLmNvbS9tY3AifQ==Open the link and Cursor adds the server at that address.
ChatGPT
https://b20check.com/mcpIn Settings, enable Developer mode, create an MCP app, and paste this address. Your plan and workspace must allow custom apps.
Codex
codex mcp add b20check --url 'https://b20check.com/mcp'Run it once, then sign in with codex mcp login b20check if the server asks for an account.
Tools it offers (2)
What this server listed when Ahel dialed its public endpoint in Oct 2026, with no key and no account of yours. The names are the server’s own.
verify_b20_tokenb20_stats
Signals
- Weekly downloads
- 83
Ahel review
S5low
no public repository, nothing to review
Automated review, not a security audit. Ruleset v1.
Advanced
- Delivery
- b20check MCP server → your Ahel connector (mcp.ahel.ai) → your AI.
- Item type
- mcp-server
- Key
com-b20check-b20check- Hosted endpoint
https://b20check.com/mcp