Cosmos Semantic runs on your own machine — the client starts it, so there is no endpoint to ping. 1 070 installs a week from pypi. Last commit 6 Nov 2026.
Governed metrics, business rules and a glossary for AI agents, with evidence on every answer.
What the code does
We read the source, 1 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.
этот файл ставится пользователю, но в репозитории его нет
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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 cosmos-semantic -e 'COSMOS_API_KEY=<COSMOS_API_KEY>' -- uvx cosmos-semantic{
"mcpServers": {
"cosmos-semantic": {
"command": "uvx",
"args": [
"cosmos-semantic"
],
"env": {
"COSMOS_API_KEY": "<COSMOS_API_KEY>"
}
}
}
}[mcp_servers.cosmos-semantic]
command = "uvx"
args = ["cosmos-semantic"]
env = { COSMOS_API_KEY = "<COSMOS_API_KEY>" }{
"mcpServers": {
"cosmos-semantic": {
"command": "uvx",
"args": [
"cosmos-semantic"
],
"env": {
"COSMOS_API_KEY": "<COSMOS_API_KEY>"
}
}
}
}{
"servers": {
"cosmos-semantic": {
"type": "stdio",
"command": "uvx",
"args": [
"cosmos-semantic"
],
"env": {
"COSMOS_API_KEY": "<COSMOS_API_KEY>"
}
}
}
}Put your own value in place of
<COSMOS_API_KEY> (The caller's key; its user context feeds the model's row filters).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
COSMOS_DEV_API_KEYS (YAML file with development keys (local use); production uses an OIDC provider).
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Cosmos Semantic — questions
Answers built from our own checks of this server.