Tabularium

io.github.SQLazy/tabularium

Agent memory and a signed spending ledger: pay any x402 API, keep a provable receipt.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "tabularium": {
      "command": "npx",
      "args": [
        "-y",
        "tabularium-mcp@0.5.5"
      ],
      "env": {
        "TABULARIUM_PRIVATE_KEY": "<your TABULARIUM_PRIVATE_KEY>",
        "TABULARIUM_MAX_SPEND_USD": "1",
        "TABULARIUM_PAY_MAX_USD": "0.10"
      }
    }
  }
}
Environment variables
  • TABULARIUM_PRIVATE_KEYrequiredsecret0x-prefixed EVM private key of the wallet that pays (use a dedicated wallet with a small USDC balance)
  • TABULARIUM_MAX_SPEND_USDSpend cap for this server process, in USD
  • TABULARIUM_PAY_MAX_USDtabularium_pay: most one purchase may cost, in USD (ceiling 0.50)

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.5.5
Registry
active
Published
11/3/2026

Remotes

  • streamable-httphttps://tabularium.matt-3e0.workers.dev/mcp

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Add the badge to your site

Show visitors that Tabularium is listed here — it’s also the link we check for a free listing.

Tabularium — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-sqlazy-tabularium?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Tabularium — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Tabularium — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-sqlazy-tabularium?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.