Cursor Umbra open SAR archive Prompt/quantify-change
How to: Cursor Umbra open SAR archive quantify-change
Add Umbra open SAR archive to Cursor
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01
Open ~/.cursor/mcp.json and merge this in. Keep any servers already there.
{
"mcpServers": {
"umbra-mcp": {
"url": "https://api.umbra-py.space/mcp"
}
}
}-
02
Save the file and restart Cursor.
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03
quantify-change is surfaced in the client's prompt or command menu. Unlike a tool, you invoke it deliberately — Cursor will not call it for you.
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04
If it does not appear, check that Umbra open SAR archive is connected and that you are looking at its prompts rather than its tools.
Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs
Set these first
Umbra open SAR archive will not start until these are set, so it never reaches Cursor.
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UMBRA_CANOPY_TOKEN -
UMBRA_INDEX_DB -
ANTHROPIC_API_KEY -
OPENAI_API_KEY
Same prompt, other clients
Read from the server itself, by connecting to it and calling prompts/list on 14 November 2026.
A listing does not declare its prompts, so asking is the only way to know them, and this
is what the server actually offers rather than what its listing claims. Names only are
stored; connect the server for each prompt's arguments.