OpenStack

Name: OpenStack
Author: oomchiller

by oomchillerversion 0.1.2i★ –iRuns on your computer

Registry nameio.github.oomchiller/openstack-mcp-server

Install

Overview

Description from the maker (original English)

Read-only-first OpenStack inspection: servers, images, volumes, networks, Keystone catalog.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other
You need to fill in: OS_AUTH_URL, OS_PASSWORD, OS_APPLICATION_CREDENTIAL_SECRET

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
You fill in yourself: OS_AUTH_URL, OS_USERNAME, OS_PASSWORD, OS_USER_DOMAIN_NAME, OS_PROJECT_ID, OS_APPLICATION_CREDENTIAL_ID, OS_APPLICATION_CREDENTIAL_SECRET, OS_REGION_NAME, OPENSTACK_MCP_PROJECT_IDS, OPENSTACK_MCP_CACERT_PEM

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

DockerDocker installed

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "openstack": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "OS_AUTH_URL",
        "-e",
        "OS_USERNAME",
        "-e",
        "OS_PASSWORD",
        "-e",
        "OS_USER_DOMAIN_NAME",
        "-e",
        "OS_PROJECT_ID",
        "-e",
        "OS_APPLICATION_CREDENTIAL_ID",
        "-e",
        "OS_APPLICATION_CREDENTIAL_SECRET",
        "-e",
        "OS_REGION_NAME",
        "-e",
        "OPENSTACK_MCP_PROJECT_IDS",
        "-e",
        "OPENSTACK_MCP_CACERT_PEM",
        "ghcr.io/oomchiller/openstack-mcp-server:0.1.2"
      ],
      "env": {
        "OS_AUTH_URL": "your-value",
        "OS_USERNAME": "your-value",
        "OS_PASSWORD": "your-value",
        "OS_USER_DOMAIN_NAME": "your-value",
        "OS_PROJECT_ID": "your-value",
        "OS_APPLICATION_CREDENTIAL_ID": "your-value",
        "OS_APPLICATION_CREDENTIAL_SECRET": "your-value",
        "OS_REGION_NAME": "your-value",
        "OPENSTACK_MCP_PROJECT_IDS": "your-value",
        "OPENSTACK_MCP_CACERT_PEM": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add openstack --env OS_AUTH_URL=your-value --env OS_USERNAME=your-value --env OS_PASSWORD=your-value --env OS_USER_DOMAIN_NAME=your-value --env OS_PROJECT_ID=your-value --env OS_APPLICATION_CREDENTIAL_ID=your-value --env OS_APPLICATION_CREDENTIAL_SECRET=your-value --env OS_REGION_NAME=your-value --env OPENSTACK_MCP_PROJECT_IDS=your-value --env OPENSTACK_MCP_CACERT_PEM=your-value -- docker run -i --rm -e OS_AUTH_URL -e OS_USERNAME -e OS_PASSWORD -e OS_USER_DOMAIN_NAME -e OS_PROJECT_ID -e OS_APPLICATION_CREDENTIAL_ID -e OS_APPLICATION_CREDENTIAL_SECRET -e OS_REGION_NAME -e OPENSTACK_MCP_PROJECT_IDS -e OPENSTACK_MCP_CACERT_PEM ghcr.io/oomchiller/openstack-mcp-server:0.1.2

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "openstack": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "OS_AUTH_URL",
        "-e",
        "OS_USERNAME",
        "-e",
        "OS_PASSWORD",
        "-e",
        "OS_USER_DOMAIN_NAME",
        "-e",
        "OS_PROJECT_ID",
        "-e",
        "OS_APPLICATION_CREDENTIAL_ID",
        "-e",
        "OS_APPLICATION_CREDENTIAL_SECRET",
        "-e",
        "OS_REGION_NAME",
        "-e",
        "OPENSTACK_MCP_PROJECT_IDS",
        "-e",
        "OPENSTACK_MCP_CACERT_PEM",
        "ghcr.io/oomchiller/openstack-mcp-server:0.1.2"
      ],
      "env": {
        "OS_AUTH_URL": "your-value",
        "OS_USERNAME": "your-value",
        "OS_PASSWORD": "your-value",
        "OS_USER_DOMAIN_NAME": "your-value",
        "OS_PROJECT_ID": "your-value",
        "OS_APPLICATION_CREDENTIAL_ID": "your-value",
        "OS_APPLICATION_CREDENTIAL_SECRET": "your-value",
        "OS_REGION_NAME": "your-value",
        "OPENSTACK_MCP_PROJECT_IDS": "your-value",
        "OPENSTACK_MCP_CACERT_PEM": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "openstack": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "OS_AUTH_URL",
        "-e",
        "OS_USERNAME",
        "-e",
        "OS_PASSWORD",
        "-e",
        "OS_USER_DOMAIN_NAME",
        "-e",
        "OS_PROJECT_ID",
        "-e",
        "OS_APPLICATION_CREDENTIAL_ID",
        "-e",
        "OS_APPLICATION_CREDENTIAL_SECRET",
        "-e",
        "OS_REGION_NAME",
        "-e",
        "OPENSTACK_MCP_PROJECT_IDS",
        "-e",
        "OPENSTACK_MCP_CACERT_PEM",
        "ghcr.io/oomchiller/openstack-mcp-server:0.1.2"
      ],
      "env": {
        "OS_AUTH_URL": "your-value",
        "OS_USERNAME": "your-value",
        "OS_PASSWORD": "your-value",
        "OS_USER_DOMAIN_NAME": "your-value",
        "OS_PROJECT_ID": "your-value",
        "OS_APPLICATION_CREDENTIAL_ID": "your-value",
        "OS_APPLICATION_CREDENTIAL_SECRET": "your-value",
        "OS_REGION_NAME": "your-value",
        "OPENSTACK_MCP_PROJECT_IDS": "your-value",
        "OPENSTACK_MCP_CACERT_PEM": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

OS_AUTH_URL required env
Keystone v3 endpoint, for example https://keystone.example.com:5000/v3
OS_USERNAME env
User name; omit when using an application credential
OS_PASSWORD secret env
Password for OS_USERNAME
OS_USER_DOMAIN_NAME env
Domain of OS_USERNAME
OS_PROJECT_ID env
Project to scope the token to
OS_APPLICATION_CREDENTIAL_ID env
Application credential ID, instead of a user name and password
OS_APPLICATION_CREDENTIAL_SECRET secret env
Application credential secret
OS_REGION_NAME env
Region name
OPENSTACK_MCP_PROJECT_IDS env
Comma-separated project IDs the server may use; the first is the default
OPENSTACK_MCP_CACERT_PEM env
CA bundle as PEM text, for a private CA

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account oomchiller, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32505 servers in this category
Published to the registry more recently than 92% of the other 32505 servers in this category
Basic checks equal to or better than 100% of the other 32505 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is OpenStack safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: OS_AUTH_URL, OS_PASSWORD, OS_APPLICATION_CREDENTIAL_SECRET

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.2) reached the registry 3 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Docker on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, topo^alpin

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

openstack-mcp-server

Community project, not affiliated with OpenStack/OpenInfra Foundation.

A Model Context Protocol server that lets AI assistants inspect OpenStack clouds. It is read-only by default, bounded in what it returns, and configured entirely through OpenStack's own settings and environment variables, so it runs unchanged as a local process or a container.

flowchart LR

AI[MCP client] <-->|stdio / Streamable HTTP| Server[openstack-mcp-server] Server <-->|openstacksdk| Cloud[OpenStack APIs]

Features

32 read tools for compute, images, block storage, networking, the Keystone catalog and service inventory, plus get_scope.
Write tools are not registered unless explicitly enabled by two settings.
Project allowlist: each allowed project gets its own project-scoped session.
Every list has limit, complete and next_marker; results are typed (outputSchema, structuredContent) and capped in size.
Errors are isError results with a category and an action, without SDK messages, URLs or tokens.
stdio by default; Streamable HTTP on loopback as an option.
Container image without credentials, running as an unprivileged user.

The read-only mode is a convenience. The security boundary is the Keystone role of the identity you configure; see SECURITY.md.

Quick start

The server is listed in the MCP Registry as io.github.oomchiller/openstack-mcp-server; registry-aware clients can install it from there. Manual setup:

Container (Docker MCP Toolkit or any MCP client)

docker run --rm -i \

-e OS_AUTH_URL=https://keystone.example.com:5000/v3 \ -e OS_USERNAME=mcp-reader -e OS_PASSWORD \ -e OS_USER_DOMAIN_NAME=Default -e OS_PROJECT_ID=0123456789abcdef0123456789abcdef \ -e OS_REGION_NAME=RegionOne \ ghcr.io/oomchiller/openstack-mcp-server@sha256:

Pin the image by digest; release digests are listed on the releases page. For a private CA, pass the certificate text in OPENSTACK_MCP_CACERT_PEM.

Local process with clouds.yaml

"mcpServers": { "openstack": { "command": "uvx", "args": ["--from", "git+https://github.com/oomchiller/openstack-mcp-server@v0.1.2", "openstack-mcp-server"], "env": { "OS_CLOUD": "mycloud" } } } }

clouds.yaml is found the usual way (OS_CLIENT_CONFIG_FILE, ./clouds.yaml, ~/.config/openstack/clouds.yaml, /etc/openstack/).

Configuration

Credentials come from openstacksdk: OS_CLOUD with clouds.yaml, or OS_* variables (password or application credentials). Server behaviour:

Variable	Default	Meaning
`OPENSTACK_MCP_MODE`	`readonly`	`readonly` or `admin`.
`OPENSTACK_MCP_ENABLE_WRITE_TOOLS`	`false`	With `admin`, registers write tools.
`OPENSTACK_MCP_PROJECT_IDS`	empty	Comma-separated project IDs the server may use; the first is the default.
`OPENSTACK_MCP_DEFAULT_LIMIT`	`50`	Items per list call when `limit` is omitted.
`OPENSTACK_MCP_MAX_LIMIT`	`100`	Largest accepted `limit` (up to 1000).
`OPENSTACK_MCP_MAX_RESPONSE_BYTES`	`524288`	Largest result; larger ones fail with `response_too_large`.
`OPENSTACK_MCP_API_TIMEOUT`	`10`	Seconds per OpenStack request; no retries.
`OPENSTACK_MCP_CACERT_PEM`	unset	CA bundle as PEM text; takes precedence over `OS_CACERT`.
`OPENSTACK_MCP_ALLOW_INSECURE`	`false`	Allow `verify: false` or an `http://` auth URL.
`OPENSTACK_MCP_ENABLE_PROMPTS`	`true`	Register the prompt.
`OPENSTACK_MCP_ENABLE_RESOURCES`	`true`	Register `openstack://scope`.
`OPENSTACK_MCP_TRANSPORT`	`stdio`	`stdio` or `streamable-http`.
`OPENSTACK_MCP_HTTP_HOST` / `_PORT`	`127.0.0.1` / `8000`	HTTP bind; path `/mcp`.
`OPENSTACK_MCP_HTTP_ALLOW_REMOTE`	`false`	Allow a non-loopback HTTP bind. The HTTP transport has no authentication.
`OPENSTACK_MCP_LOG_LEVEL`	`WARNING`	stderr log level. SDK loggers stay at `CRITICAL`.

An invalid OPENSTACK_MCP_* value stops the server with exit code 2 and names the variable. Missing credentials do not: the server starts, and cloud tools return [not_configured].

Gateways that run several instances of this server and do not prefix prompt names or resource URIs (Docker MCP Gateway) should set OPENSTACK_MCP_ENABLE_PROMPTS=false and OPENSTACK_MCP_ENABLE_RESOURCES=false.

Tools

Group	Tools
Scope	`get_scope`
Compute	`list_servers`, `get_server`, `list_flavors`
Image	`list_images`, `get_image`
Block storage	`list_volumes`, `get_volume`, `list_volume_attachments`, `get_volume_attachment`
Network	`list_networks`, `get_network`, `list_subnets`, `get_subnet`, `list_ports`, `get_port`, `list_floating_ips`, `list_routers`, `get_router`, `list_router_interfaces`, `list_security_groups`, `get_security_group`
Identity	`list_regions`, `list_domains`, `list_projects`, `list_services`, `list_endpoints`
Service inventory	`list_hypervisors`, `list_compute_services`, `list_aggregates`, `list_network_agents`, `list_volume_services`

Identity and service inventory usually need more than a project reader role; such calls fail with [forbidden] rather than returning empty lists.

With OPENSTACK_MCP_MODE=admin and OPENSTACK_MCP_ENABLE_WRITE_TOOLS=true, 31 experimental write tools are added (servers, volumes, images, networks, subnets, ports, floating IPs, routers, security groups). See docs/SPEC.md for the full behaviour.

Development

uv sync --locked

uv run pytest --cov uv run ruff check . && uv run ruff format --check . uv run mypy src tests

See CONTRIBUTING.md, ARCHITECTURE.md and DECISIONS.md.

License

Apache License 2.0; see LICENSE. Parts of the code started in openstack-kr/python-openstackmcp-server; see NOTICE.

OpenStack

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

topo^alpin

README from the maker

openstack-mcp-server

Features

Quick start

Container (Docker MCP Toolkit or any MCP client)

Local process with clouds.yaml

Configuration

Tools

Development

License