x402-mcp-demo
by catena-oss
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| UPSTREAM_MCP_URL | No | The URL of the upstream paid MCP server that the proxy forwards requests to. | http://localhost:4040/mcp |
| PROXY_SPEND_CAP_USD | No | The maximum total spend cap in USD for the proxy. When the running total would exceed this cap, the proxy refuses a paid call before paying. | |
| BUYER_EVM_PRIVATE_KEY | Yes | A testnet wallet the proxy pays from. Fund it with Base Sepolia USDC at https://faucet.circle.com (select Base Sepolia). USDC only; no ETH is needed, transfers are gasless EIP-3009. | |
| SELLER_PAY_TO_ADDRESS | Yes | Your Catena sandbox account's base-sepolia USDC deposit address, from app.catena.com |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
Latest Blog Posts
- Who's Calling? MCP Hosts Are an Identity Blind Spot (And the Spec Knows It)By Om-Shree-0709 on .mcpAgent IdentityOAuth 2.1
- Your AI Chatbot Just Exposed Your CEO's Salary to an InternBy Om-Shree-0709 on .Agent IdentityMCP SecurityOAuth Delegation
- Why MCP Servers Need Execution Sandboxing (And Why Your Current Stack Isn't Enough)By Om-Shree-0709 on .Agentic AiPrompt InjectionWebAssembly
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/catena-oss/x402-mcp-demo'
If you have feedback or need assistance with the MCP directory API, please join our Discord server