Tereno MCP MCP server

An official MCP server that allows agents to access verifiable on-chain and external evidence via the Model Context Protocol. It enables agents to check Base contracts, transactions, and web pages before acting, with free tool listing and paid capabilities that relay x402 payment challenges for USDC on Base.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Tereno

MCP endpoint (Streamable HTTP)

https://www.tereno.xyz/api/mcp

Vendor documentation

What you can do with it

Verify Base contract or transaction data before acting
List available evidence capabilities and their costs
Relay x402 payment challenges for paid evidence tools
Verify receipts and resolve evidence references

Tools advertised by the last live check:

tereno_catalog
tereno_price
tereno_receipt
tereno_evidence_reference
tereno_publish
token_metadata
chain_snapshot
contract_guard
prediction_evidence
demand_pledge

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http tereno-mcp https://www.tereno.xyz/api/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add tereno-mcp --url https://www.tereno.xyz/api/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable tereno-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "tereno-mcp": {
      "url": "https://www.tereno.xyz/api/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "tereno-mcp": {
      "type": "streamableHttp",
      "url": "https://www.tereno.xyz/api/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start tereno-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "tereno-mcp": {
      "type": "http",
      "url": "https://www.tereno.xyz/api/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http tereno-mcp https://www.tereno.xyz/api/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "tereno-mcp": {
      "url": "https://www.tereno.xyz/api/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "tereno-mcp": {
      "serverUrl": "https://www.tereno.xyz/api/mcp"
    }
  }
}

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