B20 Check MCP Server
com.b20check/b20checkv0.1.1
Verify B20 tokens on Base: issuer powers, imposter detection, signed EIP-712 verdicts.
context tax
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security
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cold start
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freshness
Maintained3mo ago
Install B20 Check MCP server
Install in Claude Code
claude mcp add b20check -- npx -y b20check-mcpInstall in Cursor
{
"mcpServers": {
"b20check": {
"command": "npx",
"args": [
"-y",
"b20check-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"b20check": {
"command": "npx",
"args": [
"-y",
"b20check-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"b20check": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"b20check-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"b20check": {
"command": "npx",
"args": [
"-y",
"b20check-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Remote endpoints
- streamable-http
https://b20check.com/mcp
Freshness
Maintained — last maintenance signal 3mo ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-12 · 3mo ago · official registry · v0.1.1
FAQ
›How do I install the B20 Check MCP server in Claude Code?
Run: claude mcp add b20check -- npx -y b20check-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does B20 Check require an API key?
No required environment variables are declared in its published metadata.
›Can I use B20 Check as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is B20 Check in the official MCP registry?
Yes, as com.b20check/b20check.