x402_echo — AgentIndex x402 MCP Tool
x402_echo
(x402 echo) is one of 18 tools on the
AgentIndex x402
MCP server. Connect the server and your client discovers it on the handshake.
by client
How to call x402_echo from your client
- Claude Code AgentIndex x402 x402_echo run in your project directory
- Claude Desktop AgentIndex x402 x402_echo ~/Library/Application Support/Claude/claude_desktop_config.json
- Cursor AgentIndex x402 x402_echo ~/.cursor/mcp.json
- VS Code AgentIndex x402 x402_echo .vscode/mcp.json
- Zed AgentIndex x402 x402_echo ~/.config/zed/settings.json
- Windsurf AgentIndex x402 x402_echo ~/.codeium/windsurf/mcp_config.json
- Cline AgentIndex x402 x402_echo ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
- Gemini CLI AgentIndex x402 x402_echo ~/.gemini/settings.json
- Grok AgentIndex x402 x402_echo .mcp.json (in your project root)
- ChatGPT AgentIndex x402 x402_echo Settings → Connectors → Advanced → Developer mode
- Claude.ai AgentIndex x402 x402_echo Settings → Connectors → Add custom connector
- LangChain AgentIndex x402 x402_echo pip install langchain-mcp-adapters
Fastest route
claude mcp add --transport http x402 https://x402.agentindex.world/mcp/Other tools on this server
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.