INDIVIDUAL MCP TOOL

fastpay_check_budget

Return the agent’s remaining spendable budget (budget minus what it has already spent) and whether it is active/frozen.

writ.moneynone authenticationAvailability not checked

LIVE ENDPOINT

https://writ.money/mcp

No auth detected

Connect to this endpoint to inspect the live schema for fastpay_check_budget and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.writ]
url = "https://writ.money/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "writ": {
      "type": "http",
      "url": "https://writ.money/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: writ
Remote MCP URL: https://writ.money/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "writ": {
      "url": "https://writ.money/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "writ": {
      "type": "http",
      "url": "https://writ.money/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "writ",
  "transport": "streamable-http",
  "url": "https://writ.money/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

fastpay_list_policies — Show the calling agent's spending policy: remaining budget, per-payment cap, daily cap, and which categories it is allowed to pay for.
fastpay_pay — Attempt a payment on behalf of the agent.
fastpay_get_receipt — Fetch the signed, auditable receipt for a completed payment by its authorization id.
fastpay_sandbox_join — Provision yourself a FREE sandbox — no credential, no human, no signup.
fastpay_verify — Replay the append-only ledger and compare it to live state — the audit any tenant (or skeptic) can run.