Serena MCP: the IDE for your agent runs on your own machine — the client starts it, so there is no endpoint to ping. 35 348 installs a week from pypi. Last commit 28 Oct 2026.
A powerful toolkit for coding, providing semantic retrieval and editing capabilities.
What the code does
We read the source, 4 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
if os.environ.get("CI") or os.environ.get("CONTAINER") or os.path.exists("/.dockerenv"):
этот файл ставится пользователю, но в репозитории его нет
os.system(f"git commit --file={commitMsgFilename}")
return os.path.exists(os.path.join(self.pathToLibInThisRepo, self.SYNC_COMMIT_ID_FILE_LIB_REPO))
shell=True,
commented_map: CommentedMap | None = yaml.load(f)
exec(compile(ast.Module(body=statements, type_ignores=[]), self.SOURCE_NAME, "exec"), namespace)
env = dict(os.environ)
RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v${NVM_VERSION}/install.sh | bash
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add serena -- uvx serena-agent{
"mcpServers": {
"serena": {
"command": "uvx",
"args": [
"serena-agent"
]
}
}
}[mcp_servers.serena]
command = "uvx"
args = ["serena-agent"]{
"mcpServers": {
"serena": {
"command": "uvx",
"args": [
"serena-agent"
]
}
}
}{
"servers": {
"serena": {
"type": "stdio",
"command": "uvx",
"args": [
"serena-agent"
]
}
}
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Serena MCP: the IDE for your agent — questions
Answers built from our own checks of this server.