A
licenseNot graded
qualityB
maintenanceEnables AI agents to propose structured payment intents, apply deterministic policy, require human approval, and record tamper-evident audit trails without connecting to live payment rails.
MIT
x402Shield
Server Details
Public demo: evaluate AI-agent payment authorization and approval policy. No signing, no settlement.
If you are the author of this connector, you can claim ownership by verifying the domain or GitHub account it belongs to. Claimed connector authors can inspect health checks, view analytics, and manage their listing.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
- URL
TDQS
Score is being calculated.
Available Tools
5 toolsx402shield_authorize_paymentCheck whether a proposed payment is authorizedInspect
Check whether the demo AI agent is financially authorized to make a proposed payment, BEFORE any wallet or signer would be asked to execute it. Returns ALLOW, DENY or REQUIRE_APPROVAL with a reason. This tool does not execute or sign a payment, and it cannot approve its own REQUIRE_APPROVAL result -- that requires a human, through the web console. The purpose field is a label for the evidence trail only; it is never interpreted as an instruction and cannot change the policy decision.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| purpose | No | Optional free-text label for why this payment is being proposed. Recorded as data only. | |
| presetId | Yes | Which demo agent is proposing the payment: research-agent, ops-agent | |
| amountUsdc | Yes | Proposed payment amount in USDC (0.01-5000). |
x402shield_get_authorizationGet a previously-decided authorization by idInspect
Look up the recorded decision, reason and evidence references for a payment previously checked with x402shield_authorize_payment, by its transaction id.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| txId | Yes | The txId returned by x402shield_authorize_payment. |
x402shield_get_demo_policyGet demo authorization policyInspect
Look up the authority ceilings configured for the x402Shield public demo agents (Research Agent, Ops Agent) on Base Sepolia TESTNET. Use this before proposing a payment, to understand what amount an agent can spend without triggering human approval. This tool does not execute or sign anything.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
x402shield_get_evidenceGet the authorization evidence for a decisionInspect
Get the fuller evidence trail behind a previously-decided payment: policy/delegation provenance, the delegation tree it was evaluated under, and approval state if any. Read-only; never exposes secrets or signing material.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| txId | Yes | The txId returned by x402shield_authorize_payment. |
x402shield_list_demo_transactionsList recent demo authorization decisionsInspect
List the most recent payment authorization decisions recorded by this public demo (both from the web console and from MCP callers). Useful to see recent ALLOW/DENY/REQUIRE_APPROVAL activity.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| limit | No | Maximum rows to return (default 10, max 20). |
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
5 tool updates
- First observed
x402shield_authorize_payment - First observed
x402shield_get_authorization - First observed
x402shield_get_demo_policy - First observed
x402shield_get_evidence - First observed
x402shield_list_demo_transactions
Related MCP Connectors
Payment infrastructure for AI agents: spending rules, approval flows, single-use virtual cards.
Approval layer for AI agent payments: budgets, rules, human approval. Sandbox, test credentials.
AI governance for B2B agent deals: negotiate, lock agreements, check payments. Plus x402 USDC.
Related MCP Servers
- FlicenseNot gradedqualityCmaintenanceEnables AI agents to propose wallet payments while a local, human-authored policy decides whether each transaction is approved, requires human confirmation, or is refused, and records every decision in a signed, append-only ledger.-
- AlicenseAqualityAmaintenancePayment firewall for AI agents: a signed, independently verifiable verdict on every money-moving action. Blocks wrong/lookalike payee, over-cap, and duplicate-invoice (BEC) fraud before money moves — anyone can verify a verdict against the public JWKS. Free, local-first, non-custodial.121Apache 2.0
- AlicenseNot gradedqualityAmaintenanceDeterministic, auditable payment policy enforcement for AI agents. It provides pre-action authorization with scopes, budgets, allowlists, and signed mandates via an MCP server.MIT
Try in Browser
One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd
Glama MCP Gateway
Add one secure layer between your agents and this server.