{"mcpName":"station__algovigilance__microgram-dataframe-group-by","slug":"algovigilance__microgram-dataframe-group-by","label":"Microgram: dataframe-group-by","description":"Group rows by one or more columns and compute aggregations. Agg types: sum, mean, min, max, count, first, last, n_unique. Each agg specifies type and target column.","domainSlug":"algovigilance","pvRelevance":"pv-core","backend":"native","agentMetadata":{"idempotent":true,"read_only":true,"expected_latency_ms":null,"cost_tokens_estimate":null,"pipes_to":null},"inputSchema":{"type":"object","properties":{"columns":{"type":"object","description":"Column name to array of values"},"group_cols":{"type":"object","description":"Column names to group by"},"aggs":{"type":"object","description":"Array of {\"type\": \"sum\"|\"mean\"|..., \"column\": \"col_name\"} (column omitted for count)"}},"required":["columns","group_cols","aggs"],"additionalProperties":false},"example":null,"taxonomy":{"rank":{"domain":"Substrata","kingdom":"Constructa","phylum":"Configa","class":"station-config","order":"algovigilance","family":"mcp-tool-config"},"characteristics":{"substrate":"config","domain":"pv","lifecycle":"continuous","stateful":false,"persistence":"none","authority":"read","compounding":"producer","io_input":"agent-request","io_output":"tool-response"}},"_links":{"html":"/tools/algovigilance__microgram-dataframe-group-by","markdown":"/tools/algovigilance__microgram-dataframe-group-by/raw.md","invoke":"/api/mcp","catalog":"/api/mcp"}}