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Coverage Graph: the shortest chain of edges linking two passages — connect-the-dots retrieval.
Behaviour
Returns the node chain between them: passages (p:), hosts (h:), stories (s:), topics (t:), entities (e:). `found: false` means no chain exists within the corpus, which is itself an answer — these two things are not connected in anything we hold.
Arguments
inputSchema
| Name | Type | Description |
|---|---|---|
arequired | string | Start passage id |
brequired | string | Goal passage id |
Returns
A JSON payload in the text content block, and the same payload as
structuredContent for clients that support it.
outputSchema
| Name | Type | Description |
|---|---|---|
foundrequired | boolean | — |
hopsrequired | integer | — |
nodesrequired | object[] | — |
Calling it
Over Streamable HTTP, with the required arguments filled in:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "path",
"arguments": {
"a": "<a>",
"b": "<b>"
}
}
}Most clients do this for you — see Connect a client. To drive it by hand, complete the startup lifecycle first.