Repository Public MIT
1{2 "schemaVersion": "1.0",3 "name": "@spboucher/echo-mcp-server",4 "version": "1.0.1",5 "type": "mcp-server",6 "description": "Dependency-free local MCP server over stdio with a single echo tool, for testing client configuration.",7 "license": "MIT",8 "entrypoint": "server.mjs",9 "keywords": [10 "example",11 "mcp",12 "testing"13 ],14 "compatibility": [15 "claude-code",16 "codex",17 "cursor",18 "generic-mcp"19 ],20 "permissions": [],21 "dependencies": [],22 "mcp": {23 "transport": "stdio",24 "command": "node",25 "args": [26 "server.mjs"27 ],28 "tools": [29 {30 "name": "echo",31 "description": "Returns the text it receives, unchanged."32 }33 ]34 },35 "examples": [36 {37 "title": "Call the echo tool (Claude Code)",38 "client": "claude-code",39 "image": "examples/claude-code.png",40 "alt": "Terminal screenshot of a Claude Code session using echo-mcp-server: the prompt, the tool or skill call, and the agent's answer.",41 "prompt": "Use the echo MCP tool to echo the sentence 'registry check passed', then tell me in one line what came back.",42 "caption": "The agent calls the server's single tool and reports what came back, which confirms the client configuration works. Real session, Claude Code 2.1.322 with Fable 5.2, with version 1.0.0 installed from this registry.",43 "capturedAt": "2026-11-10"44 },45 {46 "title": "Call the echo tool (Codex)",47 "client": "codex",48 "image": "examples/codex.png",49 "alt": "Terminal screenshot of a Codex session using echo-mcp-server: the prompt, the tool or skill call, and the agent's answer.",50 "prompt": "Use the echo MCP tool to echo the sentence 'registry check passed', then tell me in one line what came back.",51 "caption": "The agent calls the server's single tool and reports what came back, which confirms the client configuration works. Real session, Codex CLI 0.167.1 with GPT-6.1-Sol, with version 1.0.0 installed from this registry.",52 "capturedAt": "2026-11-10"53 }54 ]55}56