x402card: Virtual Cards + Freeland eSIM
Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.
Should I use this
Quality & Safety
Findings (17)
- LOWTool 'x402card.get_wallet_requirements' description lacks action verbin x402card.get_wallet_requirements
- LOWTool 'x402card.get_card_contract' description lacks action verbin x402card.get_card_contract
- LOWTool 'x402card.get_install_command' description lacks action verbin x402card.get_install_command
- LOWTool 'x402card.get_agent_contract' doesn't follow camelCase/snake_casein x402card.get_agent_contract
- LOWTool 'x402card.get_wallet_requirements' doesn't follow camelCase/snake_casein x402card.get_wallet_requirements
- LOWTool 'x402card.get_wallet_requirements' name length outside 3-30 rangein x402card.get_wallet_requirements
- LOWTool 'x402card.get_config' doesn't follow camelCase/snake_casein x402card.get_config
- LOWTool 'x402card.get_esim_contract' doesn't follow camelCase/snake_casein x402card.get_esim_contract
- LOWTool 'x402card.get_card_contract' doesn't follow camelCase/snake_casein x402card.get_card_contract
- LOWTool 'x402card.get_card_topup_contract' doesn't follow camelCase/snake_casein x402card.get_card_topup_contract
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"freeland-esim": {
"url": "https://api.x402card.org/mcp"
}
}
}Remote endpoints
https://api.x402card.org/mcpstreamable-httpWhat it can do
Tool inventory
Tools (12)
⚪x402card.get_agent_contract
Return the complete machine-readable x402card API/agent contract.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_wallet_requirements
Return signer-agnostic owner authentication, x402 payer, credential, and adapter requirements.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_config
Return public runtime config: network, USDC asset, receive address, fees, limits, and treasury mode.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_esim_contract
Return the Freeland eSIM catalog, direct x402 purchase, payer-ownership, fulfillment, and privacy contract.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_card_contract
Return the virtual-card direct x402 purchase, payer-ownership, issuance, economics, and credential-security contract.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_card_topup_contract
Return the separate direct x402 card top-up, active-card ownership, amount, fee, replay, and asynchronous funding contract.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}🟢x402card.list_esim_plans(countryCode, type)
List live Freeland prepaid travel eSIM plans and current Base USDC prices.
Input Schema
{
"type": "object",
"properties": {
"countryCode": {
"type": "string",
"minLength": 2,
"maxLength": 2
},
"type": {
"type": "string",
"enum": [
"country",
"region"
]
}
},
"additionalProperties": false
}⚪x402card.get_esim_readiness
Return eSIM-only readiness without unrelated card-provider or treasury gates.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_readiness(deep)
Return sanitized public readiness. Deep provider balances and BIN internals are admin-only.
Input Schema
{
"type": "object",
"properties": {
"deep": {
"type": "boolean",
"default": false
}
},
"additionalProperties": false
}⚪x402card.get_openapi
Return the OpenAPI 3.1 document for direct HTTP API usage.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_install_command
Return the shell install command and CLI discovery commands.
Input Schema
{
"type": "object",
"properties": {},
"additionalProperties": false
}⚪x402card.get_payable_url(orderId)
Build the public payable x402 URL for an existing order id.
Input Schema
{
"type": "object",
"properties": {
"orderId": {
"type": "string",
"minLength": 1
}
},
"required": [
"orderId"
],
"additionalProperties": false
}Community
Evidence