Tabularium MCP

An MCP server providing a paid, persistent, hash-chained workspace for AI agents. It allows agents to store memory, export signed history, and pay for x402 API endpoints using an EVM wallet and USDC, maintaining a provable spending ledger.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by SQLazy

Vendor documentation

What you can do with it

Store and retrieve agent memory with hash-chained integrity
Pay for x402 v2 API endpoints using USDC via EIP-3009
Export and verify signed transaction receipts offline
Generate spending reports by service and day

Source and maintenance

Community listingRegistry 0.5.3

mcp-registry: io.github.SQLazy/tabularium@0.5.3 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

tabularium-mcp 0.5.3

npm

tabularium-mcp package definition

{
  "version": "0.5.3",
  "transport": "stdio",
  "identifier": "tabularium-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "TABULARIUM_PRIVATE_KEY",
      "isRequired": true,
      "description": "0x-prefixed EVM private key of the wallet that pays (use a dedicated wallet with a small USDC balance)"
    },
    {
      "name": "TABULARIUM_MAX_SPEND_USD",
      "default": "1",
      "description": "Spend cap for this server process, in USD"
    },
    {
      "name": "TABULARIUM_URL",
      "description": "Service base URL (defaults to the public deployment)"
    },
    {
      "name": "TABULARIUM_PAY_MAX_USD",
      "default": "0.10",
      "description": "tabularium_pay: most one purchase may cost, in USD (ceiling 0.50)"
    },
    {
      "name": "TABULARIUM_PAY_NETWORKS",
      "description": "tabularium_pay: comma-separated networks it may pay on; default is the service's own network. eip155:8453 is mainnet (real money)."
    },
    {
      "name": "TABULARIUM_PUBKEY",
      "description": "Optional pinned Ed25519 signing key (hex) that exports must verify against"
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "tabularium-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tabularium-mcp@0.5.3"
      ],
      "env": {
        "TABULARIUM_PRIVATE_KEY": "<YOUR_TABULARIUM_PRIVATE_KEY>",
        "TABULARIUM_MAX_SPEND_USD": "<YOUR_TABULARIUM_MAX_SPEND_USD>",
        "TABULARIUM_URL": "<YOUR_TABULARIUM_URL>",
        "TABULARIUM_PAY_MAX_USD": "<YOUR_TABULARIUM_PAY_MAX_USD>",
        "TABULARIUM_PAY_NETWORKS": "<YOUR_TABULARIUM_PAY_NETWORKS>",
        "TABULARIUM_PUBKEY": "<YOUR_TABULARIUM_PUBKEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "tabularium-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tabularium-mcp@0.5.3"
      ],
      "env": {
        "TABULARIUM_PRIVATE_KEY": "<YOUR_TABULARIUM_PRIVATE_KEY>",
        "TABULARIUM_MAX_SPEND_USD": "<YOUR_TABULARIUM_MAX_SPEND_USD>",
        "TABULARIUM_URL": "<YOUR_TABULARIUM_URL>",
        "TABULARIUM_PAY_MAX_USD": "<YOUR_TABULARIUM_PAY_MAX_USD>",
        "TABULARIUM_PAY_NETWORKS": "<YOUR_TABULARIUM_PAY_NETWORKS>",
        "TABULARIUM_PUBKEY": "<YOUR_TABULARIUM_PUBKEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "tabularium-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "tabularium-mcp@0.5.3"
      ],
      "env": {
        "TABULARIUM_PRIVATE_KEY": "<YOUR_TABULARIUM_PRIVATE_KEY>",
        "TABULARIUM_MAX_SPEND_USD": "<YOUR_TABULARIUM_MAX_SPEND_USD>",
        "TABULARIUM_URL": "<YOUR_TABULARIUM_URL>",
        "TABULARIUM_PAY_MAX_USD": "<YOUR_TABULARIUM_PAY_MAX_USD>",
        "TABULARIUM_PAY_NETWORKS": "<YOUR_TABULARIUM_PAY_NETWORKS>",
        "TABULARIUM_PUBKEY": "<YOUR_TABULARIUM_PUBKEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "tabularium-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "tabularium-mcp@0.5.3"
      ],
      "env": {
        "TABULARIUM_PRIVATE_KEY": "<YOUR_TABULARIUM_PRIVATE_KEY>",
        "TABULARIUM_MAX_SPEND_USD": "<YOUR_TABULARIUM_MAX_SPEND_USD>",
        "TABULARIUM_URL": "<YOUR_TABULARIUM_URL>",
        "TABULARIUM_PAY_MAX_USD": "<YOUR_TABULARIUM_PAY_MAX_USD>",
        "TABULARIUM_PAY_NETWORKS": "<YOUR_TABULARIUM_PAY_NETWORKS>",
        "TABULARIUM_PUBKEY": "<YOUR_TABULARIUM_PUBKEY>"
      }
    }
  }
}

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