| query_topology | Read | Return the sub-graph around a node: feeds, downstream consumers, bindings. |
| fetch_tag_history | Read | Pull PI System series for a tag over a time window. |
| run_python | Compute | Execute analysis in a sandbox, covering correlations, regressions, change-point detection, and spectral work as the question requires. |
| propose_dashboard | Write | Assemble a KPI and trend dashboard, wired to tags and self-refreshing, arriving as a proposal. |
| propose_status_profile | Write | Suggest green, amber, and red thresholds on a tag, with the reasoning attached. |
| propose_node | Write | Add a tag, piece of equipment, or sub-diagram node, arriving as a proposal. |
| remember | Context | Persist a correction on an entity so it resurfaces when relevant. |