diff --git a/src/api/json/catalog.json b/src/api/json/catalog.json
index 866a78dba44..474b546a531 100644
--- a/src/api/json/catalog.json
+++ b/src/api/json/catalog.json
@@ -8000,6 +8000,11 @@
       "fileMatch": ["vector.json", "vector.toml", "vector.yaml"],
       "url": "https://www.schemastore.org/vector.json"
     },
+    {
+      "name": "Vee JSON menu output",
+      "description": "Structured JSON printed by a Vee menu-bar plugin, the alternative to the xbar/SwiftBar text protocol",
+      "url": "https://vee.navbytes.io/schemas/json-output.schema.json"
+    },
     {
       "name": "vega.json",
       "description": "Vega visualization specification file",
@@ -8110,6 +8115,7 @@
         "v5.3.4": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.3.4.json",
         "v5.3.5": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.3.5.json",
         "v5.4.0": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.4.0.json",
+        "v5.5.0": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.5.0.json",
         "v5.6.0": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.6.0.json",
         "v5.7.0": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.7.0.json",
         "v5.7.1": "https://raw.githubusercontent.com/vega/schema/refs/heads/master/vega/v5.7.1.json",
diff --git a/src/negative_test/crucible-code-schema/not-a-rung.json b/src/negative_test/crucible-code-schema/not-a-rung.json
new file mode 100644
index 00000000000..f6226d7edf0
--- /dev/null
+++ b/src/negative_test/crucible-code-schema/not-a-rung.json
@@ -0,0 +1,3 @@
+{
+  "providers": { "anthropic": { "effort": "hardest" } }
+}
diff --git a/src/negative_test/crucible-code-schema/not-a-tone.json b/src/negative_test/crucible-code-schema/not-a-tone.json
new file mode 100644
index 00000000000..5decd1db3c8
--- /dev/null
+++ b/src/negative_test/crucible-code-schema/not-a-tone.json
@@ -0,0 +1,3 @@
+{
+  "systemPrompt": { "tone": "verbose" }
+}
diff --git a/src/schemas/json/crucible-code-schema.json b/src/schemas/json/crucible-code-schema.json
index 9477fc39fed..2991a4f64e2 100644
--- a/src/schemas/json/crucible-code-schema.json
+++ b/src/schemas/json/crucible-code-schema.json
@@ -299,6 +299,39 @@
       },
       "type": "object"
     },
+    "systemPrompt": {
+      "additionalProperties": false,
+      "description": "What the model is asked under: how much it explains, and anything you would rather it were told instead",
+      "properties": {
+        "$schema": {
+          "type": "string"
+        },
+        "$comment": {
+          "type": "string"
+        },
+        "append": {
+          "description": "Instructions to add to crucible's own, said after them and every turn",
+          "examples": [
+            "This repository is deployed on Fridays; never push to main."
+          ],
+          "type": "string"
+        },
+        "custom": {
+          "description": "Instructions to ask every turn under in place of crucible's own, replacing them entirely. Read only from the configuration file in your home directory",
+          "examples": [
+            "You are a reviewer. Read and explain; never edit a file."
+          ],
+          "type": "string"
+        },
+        "tone": {
+          "default": "concise",
+          "description": "How much of the reasoning comes back with the answer: concise for the conclusion, explanatory for why it is that one, learning for what to know before touching the code again",
+          "enum": ["concise", "explanatory", "learning"],
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
     "updates": {
       "additionalProperties": false,
       "description": "Whether crucible finds out that a newer release exists",
diff --git a/src/test/crucible-code-schema/config.json b/src/test/crucible-code-schema/config.json
index 70f19d55ece..0972b90d8fa 100644
--- a/src/test/crucible-code-schema/config.json
+++ b/src/test/crucible-code-schema/config.json
@@ -46,6 +46,11 @@
       "model": "gpt-5.2"
     }
   },
+  "systemPrompt": {
+    "append": "This repository is deployed on Fridays; never push to main.",
+    "custom": "You are a reviewer. Read and explain; never edit a file.",
+    "tone": "explanatory"
+  },
   "updates": {
     "check": "never"
   }