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Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

MCP server · Payments & trading

x402card: Virtual Cards + Freeland eSIM

By x402card.org Verified namespace

Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.

WebsiteSource codeFinance & paymentsMaps, travel & real estate
Connect to x402card: Virtual Cards + Freeland eSIM
Checks passed
12 / 22

2 failed · 8 not measured

Median response
87 ms

Median of successful probes over 7 days

30-day uptime
Not measured

Share of countable probes over 30 days, including daily rollups. Auth challenges are excluded.

Discovered tools
12

Tool definitions returned by this server

Independent monitoring

Health & checks

Status history

Outdated check

Last connection measurement is over 24 hours old. Current availability is unknown.

Last checked
Check summary by test group
Test areaPassedFailedUnmeasured
ConnectionCan a client connect and discover tools?
500
Reliability & speedDoes it respond consistently and quickly?
004
Access & authenticationWhat is required to use this server?
102
Tool qualityAre the tool definitions usable by an agent?
220
Publisher identityCan the publisher be traced to its source?
402

Unmeasured means there is not enough evidence to decide. How these checks work

Inspect individual checks 22 recorded

Core

  • Pass
    Reachable

    Latest probe returned HTTP 200 in 87 ms.

  • Pass
    Valid handshake

    protocolVersion 2025-06-18, serverInfo.name x402card.

  • Pass
    Lists tools

    tools/list returned 12 tools.

  • Pass
    Current protocol

    Negotiated 2025-06-18. The bar is 2025-06-18 or newer.

  • Pass
    HTTPS

    The endpoint URL is https.

Performance

  • Not measured
    Fast (p50)

    Median latency 87 ms over 1 samples in 7 days. The bar is 1000 ms. Need at least 5 samples.

  • Not measured
    Consistent (p95)

    95th percentile 87 ms over 1 samples in 7 days. The bar is 3000 ms. Need at least 20 samples.

  • Not measured
    Reliable (uptime)

    1 of 1 attempts returned a tool list in 30 days (100%). The bar is 99%. Need at least 30 samples.

  • Not measured
    Stable tool list

    Fewer than two successful probes in 30 days, so tool-list stability is not measured.

Access

  • Pass
    Open access

    tools/list succeeded with no credential, and the record declares none.

  • Not measured
    Standard auth

    Auth is not required, so the OAuth metadata check does not apply.

  • Not measured
    Free tier cited

    No publisher quote has been checked.

Tools

  • Pass
    Tools described

    Every tool description is at least 20 characters.

  • Pass
    Valid input schemas

    Every inputSchema is a JSON Schema object.

  • Fail
    Parameters documented

    0 of 4 parameters have a description (0%). The bar is 80%.

  • Fail
    Safety hints

    12 tools set neither readOnlyHint nor destructiveHint.

Publisher

  • Pass
    Verified namespace

    Listed in the Official MCP Registry.

  • Pass
    Website matches publisher

    The website host matches the reverse-domain namespace.

  • Pass
    Source repo linked

    A repository URL is on file.

  • Not measured
    Repo owner matches

    This namespace is not an io.github login, so the owner comparison does not apply.

  • Pass
    Recently updated

    Updated 2026-08-18T15:40:12.546927Z, within 180 days.

  • Not measured
    Open-source licence

    The GitHub licence lookup has not returned an OSI result yet.

Start using x402card: Virtual Cards + Freeland eSIM

Connect to this server

Choose your client, copy the configuration, then enable the server in your client’s MCP settings.

Run this command in your terminal, then restart Claude Code.

Claude Code

claude mcp add --transport http x402card-virtual-cards-freeland-esim https://api.x402card.org/mcp

Capabilities

Tools 12

x402card.get_agent_contract

Return the complete machine-readable x402card API/agent contract.

Discovered
x402card.get_card_contract

Return the virtual-card direct x402 purchase, payer-ownership, issuance, economics, and credential-security contract.

Discovered
x402card.get_card_topup_contract

Return the separate direct x402 card top-up, active-card ownership, amount, fee, replay, and asynchronous funding contract.

Discovered
x402card.get_config

Return public runtime config: network, USDC asset, receive address, fees, limits, and treasury mode.

Discovered
x402card.get_esim_contract

Return the Freeland eSIM catalog, direct x402 purchase, payer-ownership, fulfillment, and privacy contract.

Discovered
x402card.get_esim_readiness

Return eSIM-only readiness without unrelated card-provider or treasury gates.

Discovered
x402card.get_install_command

Return the shell install command and CLI discovery commands.

Discovered
x402card.get_openapi

Return the OpenAPI 3.1 document for direct HTTP API usage.

Discovered
x402card.get_payable_url

Build the public payable x402 URL for an existing order id.

Discovered
x402card.get_readiness

Return sanitized public readiness. Deep provider balances and BIN internals are admin-only.

Discovered
x402card.get_wallet_requirements

Return signer-agnostic owner authentication, x402 payer, credential, and adapter requirements.

Discovered
x402card.list_esim_plans

List live Freeland prepaid travel eSIM plans and current Base USDC prices.

Discovered

Recent measurements

Probe history

View status
Latest stored probes. Raw probe rows are kept for 14 days.
CheckedResultResponseTools
Connected87 ms12

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