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Connect Runs on your machine
claude mcp add cosmos-semantic -e COSMOS_API_KEY=<COSMOS_API_KEY> -e COSMOS_DEV_API_KEYS=<COSMOS_DEV_API_KEYS> -- uvx cosmos-semantic==0.3.0{
"mcpServers": {
"cosmos-semantic": {
"command": "uvx",
"args": [
"cosmos-semantic==0.3.0"
],
"env": {
"COSMOS_API_KEY": "<COSMOS_API_KEY>",
"COSMOS_DEV_API_KEYS": "<COSMOS_DEV_API_KEYS>"
}
}
}
}{
"mcpServers": {
"cosmos-semantic": {
"command": "uvx",
"args": [
"cosmos-semantic==0.3.0"
],
"env": {
"COSMOS_API_KEY": "<COSMOS_API_KEY>",
"COSMOS_DEV_API_KEYS": "<COSMOS_DEV_API_KEYS>"
}
}
}
}{
"servers": {
"cosmos-semantic": {
"type": "stdio",
"command": "uvx",
"args": [
"cosmos-semantic==0.3.0"
],
"env": {
"COSMOS_API_KEY": "<COSMOS_API_KEY>",
"COSMOS_DEV_API_KEYS": "<COSMOS_DEV_API_KEYS>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
COSMOS_API_KEYRequired, secret | The caller's key; its user context feeds the model's row filters |
COSMOS_DEV_API_KEYSOptional | YAML file with development keys (local use); production uses an OIDC provider |
Details
| Package | [email protected] (PYPI, stdio) |
| First published | 5 Nov 2026 |
| Last updated | 5 Nov 2026 |
| Registry name | io.github.WiliamRosa/cosmos-semantic |
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