Boundra — Payment Approval Gateway for AI Agents

Connect Remote server

claude mcp add --transport http boundra https://api.boundra.io/mcp

{
  "mcpServers": {
    "boundra": {
      "url": "https://api.boundra.io/mcp"
    }
  }
}

{
  "servers": {
    "boundra": {
      "type": "http",
      "url": "https://api.boundra.io/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://api.boundra.io/mcp

Tools 14 found in our last check

• evaluate_payment

  Evaluate a payment intent. MUST be called before executing any payment. ALLOW = you may pay; DENY = you must abandon; ASK = a challenge is returned — relay the reason to the user, then retry with approval_token once the user signs. An optional mandate parameter carries a user-is…

• settle_evaluation

  Confirm that an ALLOWed payment settled. Requires the evaluation_id and the reservation_token returned by evaluate_payment, plus the real transaction/hash reference. Idempotent for the same evaluation; never call this before settlement.

• release_evaluation

  Release a reserved ALLOW budget when the payment failed or was abandoned. Requires the evaluation_id and reservation_token returned by evaluate_payment.

• get_evaluation

  Inspect the reservation/settlement state of an evaluation

• request_policy_change

  [For agents] Ask the user for a policy/budget change (e.g. 'raise daily budget from 50 to 80'). The request is queued for user approval; the user signs and publishes a new policy version. Agents can NEVER change policy directly.

• get_policy

  View the active signed payment policy for an owner (and optionally an agent scope)

• get_spend_report

  View today's spend summary for an owner

• get_audit_trail

  View recent payment-approval audit records for an owner

• set_policy

  [USER ONLY] Submit a new policy version. Must carry the user's wallet EIP-191 signature over the policy document; accepted only after signature + version-chain checks pass. Agents MUST NOT call this tool.

• revoke_policy

  [USER ONLY] Revoke a policy chain (takes effect immediately; subsequent payments default to DENY). Must carry the user's wallet signature over the revocation statement.

• get_policy_versions

  View a user's policy version history (version chain + hashes, verifiable against on-chain commitments)

• list_policy_requests

  List pending agent policy-change requests

• list_templates

  List policy templates (personal assistant / travel / dev API / procurement)

• render_template

  Render a natural-language rule from a template + parameters (then compile, sign & publish)

Details

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• BusCalc Business Calculators

  Business calculators, data lookups, replayable receipts, and documentation for enterprise pilots.

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  US car loan math: monthly payment, compare loans, max price for your budget, amortization. Free.

• InfinityVolume

  Dollar volume across 13 stock markets and US sectors, against each one's own normal. No prices.

• xytara MCP Executor

  Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then x402 or a spend key.