TopicForge runs on your own machine — the client starts it, so there is no endpoint to ping. 81 installs a week from pypi. Last commit 5 Sep 2026.
Read-only MCP server for ROS2 and DDS: topics, participants, QoS mismatches, bags.
We read the source, 20 h ago · rules 3dff92dd89df
Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.
result = subprocess.run(
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.
result = subprocess.run(
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch TopicForge and you get told the day something new turns up.
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 topicforge -- uvx topicforge
{
"mcpServers": {
"topicforge": {
"args": [
"topicforge"
],
"command": "uvx"
}
}
}
[mcp_servers.topicforge]
command = "uvx"
args = ["topicforge"]
{
"mcpServers": {
"topicforge": {
"args": [
"topicforge"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"topicforge": {
"args": [
"topicforge"
],
"command": "uvx"
}
}
}
This one needs environment variables set before it will start:
TOPICFORGE_MODE (mock (deterministic fixtures, no ROS2 needed), live, or auto. Defaults to auto.), TOPICFORGE_DDS_BACKEND (DDS backend: mock, cyclone, fast, or auto. Requires the matching extra, e.g. pip install topicforge[dds].), TOPICFORGE_DDS_DOMAIN_ID (DDS domain id to observe, 0-232. Joined at startup; changing it requires a restart.), TOPICFORGE_TELEMETRY (Opt-in anonymous telemetry, off by default. When off, no network code path executes.).
The author declared them in the registry entry; get the values from the project itself.
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