def call.known
import ezmcp@0.1.0.0/src/server.bend as Serverimport Base
import emerging-ezjson@1.2.0.0/main.bend as Json
import emerging-ezjson@1.2.0.0/src/value.bend as Value
208def call.known(+name: String, +params: Value.Json, hit: Bool) -> Step:
209 match hit:
210 case False{}:
211 invalid("Unknown tool: " ++ name)
212 case True{}:
213 call.args(name, Json.has(params, "arguments"),
214 Json.get(params, "arguments"))