SendCheck — EVM address verification (x402) MCP Server

org.pennyforge.api/sendcheck

What is the SendCheck — EVM address verification (x402) MCP server?

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

Copy-paste configuration for popular MCP clients.

transport: http

Config generated by PluginBench — verify against the source before use.

~/.cursor/mcp.json

{
  "mcpServers": {
    "sendcheck": {
      "url": "https://api.pennyforge.org/mcp"
    }
  }
}

Deterministic peptide reconstitution and dosing math, so assistants compute it instead of guessing.

Non-diagnostic child-development knowledge by Pinnacle Blooms: search, milestones, ICF crosswalk.

Pay-per-call data APIs for AI agents. USDC on Base via x402. 33 tools, no signup.

Community library of composable AI prompt blocks for search, composition, and contribution.

Maintained

Issue, rotate and revoke scoped API-key passes for 25+ providers — the agent never sees a real key

MIT

Publish structured, AI-readable business identity data as an MCP server in minutes.