echo-mcp-server-for-testing
A simple echo MCP (Model Context Protocol) Server for testing MCP Clients.
Install / Use
claude mcp add piebro -- npx -y github:piebro/echo-mcp-server-for-testingIf the server publishes to npm under a different name, use that package instead — check the repo README.
MCP Server
Model Context Protocol server
Quality Score
Category
Development & EngineeringSupported Platforms
Our assessment of echo-mcp-server-for-testing
echo-mcp-server-for-testing scores 59/100 on our quality scale, 2184th of 2,717 Development & Engineering skills we index.
Its MCP Server is 2.2 KB long, well organised into 8 sections with 5 code examples: moderately detailed.
It has 3 GitHub stars, so there is little community track record yet; judge it on its content.
Maintenance, license and trust
- The repository was last updated about 18 months ago. Expect some instructions to reference tool versions or APIs that have since changed.
- It is released under the MIT license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 75/100, with 3 cautions from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
Safety scan
No issues foundOur scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful.
AI review by kimi-k2.7-code on 2026-09-27. Automated pattern scan on 2026-09-27. It catches known dangerous patterns, not every risk — read a skill before letting an agent act on it.
echo-mcp-server-for-testing compared with similar skills
All 4 of these similar skills score higher than echo-mcp-server-for-testing; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| echo-mcp-server-for-testing (this skill)by piebro | 59 | 3 | 18mo ago | MCP Server |
| Agent-Reachby Panniantong | 100 | 85.7k | 12d ago | CLAUDE.md |
| headroomby headroomlabs-ai | 100 | 73.9k | today | CLAUDE.md |
| rufloby ruvnet | 100 | 73.4k | today | CLAUDE.md |
| CowAgentby zhayujie | 100 | 47.1k | today | CLAUDE.md |
Frequently asked questions
- How do I install echo-mcp-server-for-testing?
- Run
claude mcp add piebro -- npx -y github:piebro/echo-mcp-server-for-testing. The install tabs above show the steps for each supported agent. - Which AI agents does echo-mcp-server-for-testing work with?
- It is written for Claude Code and Claude Desktop, as a MCP Server file. Other agents that read the same format can often use it too.
- Is echo-mcp-server-for-testing safe to use?
- Our scan of the whole file found no instruction hijacking, hidden characters, credential access, data exfiltration or destructive commands. An AI review of the same text found nothing harmful. It is MIT-licensed and scores 75/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is echo-mcp-server-for-testing still maintained?
- The repository was last updated about 18 months ago. Expect some instructions to reference tool versions or APIs that have since changed.
Skill content
View source on GitHubecho-mcp-server-for-testing
A simple echo MCP (Model Context Protocol) Server with a simple echo_tool for testing MCP Clients.
It is also great as a template for new MCP Servers.
Usage
Install uv and add the server to an MCP config using uvx:
{
"name": "echo-mcp-server-for-testing",
"command": "uvx",
"args": [
"echo-mcp-server-for-testing"
],
"env": {
"SECRET_KEY": "123456789"
}
}
or clone the repo and use uv with a directory:
{
"name": "echo-mcp-server-for-testing",
"command": "uv",
"args": [
"--directory",
"path/to/root/dir/",
"run",
"main.py"
],
"env": {
"SECRET_KEY": "123456789"
}
}
Development
Testing
Clone the repo and use mcp-client-for-testing to test the tools of the server.
uvx mcp-client-for-testing \
--config '
[
{
"name": "echo-mcp-server-for-testing",
"command": "uv",
"args": [
"--directory",
"path/to/root/dir/",
"run",
"main.py"
],
"env": {
"SECRET_KEY": "123456789"
}
}
]
' \
--tool_call '{"name": "echo_tool", "arguments": {"message": "Hello, world!"}}'
Formatting and Linting
The code is formatted and linted with ruff:
uv run ruff format
uv run ruff check --fix
Building with uv
Build the package using uv:
uv build
Releasing a New Version
To release a new version of the package to PyPI, create and push a new Git tag:
-
Checkout the main branch and get the current version:
git checkout main git pull origin main git describe --tags -
Create and push a new Git tag:
git tag v0.2.0 git push origin v0.2.0
The GitHub Actions workflow will automatically build and publish the package to PyPI when a new tag is pushed. The python package version number will be derived directly from the Git tag.
License
This project is licensed under the MIT License. See the LICENSE file for details.
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Languages
Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.