Sovereign Logos Scripture

Compare translations

compare_translations

Read-onlyIdempotent

Return the same reference side by side in 2 to 6 translations, for example Septuagint and KJV. Default: lxx2012 and kjv. Covers passages where the Septuagint and Masoretic-based Bibles differ (Isaiah 7:14, Psalm 40:6, Deuteronomy 32:43, Esther, Daniel).

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "reference": "<reference>"
    },
    "name": "compare_translations"
  }
}

Input Schema

Name	Required	Description
`reference`	Yes	Book chapter[:verse[-verse]] reference.
`translations`	No	Translation codes to show side by side, 2 to 6 (see list_translations). Default: ["lxx2012", "kjv"].
`psalmNumbering`	No	How to read Psalm numbers in the reference. "mt" (default) = Masoretic/KJV numbering, converted for Septuagint translations. "native" = the translation's own numbering.

Output Schema

Name	Required	Description	Default
`notes`	No
`passages`	Yes
`requested`	Yes
`unavailable`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedNov 15, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "notes": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    "passages": {
+      "items": {
+        "properties": {
+          "book": {
+            "type": "string"
+          },
+          "citation": {
+            "properties": {
+              "licence": {
+                "type": "string"
+              },
+              "publisher": {
+                "type": "string"
+              },
+              "translation": {
+                "type": "string"
+              },
+              "url": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "url"
+            ],
+            "type": "object"
+          },
+          "notes": {
+            "items": {
+              "type": "string"
+            },
+            "type": "array"
+          },
+          "reference": {
+            "type": "string"
+          },
+          "requested": {
+            "type": "string"
+          },
+          "translation": {
+            "properties": {
+              "code": {
+                "type": "string"
+              },
+              "licenceLabel": {
+                "type": "string"
+              },
+              "name": {
+                "type": "string"
+              },
+              "shortName": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "code",
+              "name",
+              "shortName"
+            ],
+            "type": "object"
+          },
+          "verses": {
+            "items": {
+              "properties": {
+                "chapter": {
+                  "type": "integer"
+                },
+                "text": {
+                  "type": "string"
+                },
+                "verse": {
+                  "type": "integer"
+                }
+              },
+              "required": [
+                "chapter",
+                "verse",
+                "text"
+              ],
+              "type": "object"
+            },
+            "type": "array"
+          }
+        },
+        "required": [
+          "reference",
+          "book",
+          "translation",
+          "verses",
+          "citation"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "requested": {
+      "type": "string"
+    },
+    "unavailable": {
+      "items": {
+        "properties": {
+          "error": {
+            "type": "string"
+          },
+          "translation": {
+            "type": "string"
+          }
+        },
+        "required": [
+          "translation",
+          "error"
+        ],
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "requested",
+    "passages"
+  ],
+  "type": "object"
+}

Changed1 schema field changedNov 12, 2026

addedInput schema / properties / translations / description

Added value: +"Translation codes to show side by side, 2 to 6 (see list_translations). Default: [\"lxx2012\", \"kjv\"]."

First observedNov 11, 2026

TDQS

A3.6/5.0

Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false, and openWorldHint=false, so the safety profile is fully covered. The description adds the default translation pair and the 2-to-6 bound, which is modest added context, but nothing about how differing versification or missing passages in a given translation are handled.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three front-loaded sentences: capability, default, then scope-of-usefulness, with no filler. Minor waste: "for example Septuagint and KJV" and "Default: lxx2012 and kjv" partially restate the schema's default and enum.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With an output schema present, annotations covering safety, and full parameter documentation in the schema, the description needs only to convey scope and purpose, which it does. The remaining gap is behavioral edge cases (versification mismatches, translations lacking a passage), which are not addressed anywhere.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents reference syntax, the translation enum, minItems/maxItems, and both psalmNumbering modes. The description only repeats the default (lxx2012, kjv) and gives an example, adding no meaning the schema does not already carry; baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource: "Return the same reference side by side in 2 to 6 translations," with concrete examples (Septuagint, KJV) and the default pair. It is clearly distinct from a single-passage tool, but it never names a sibling (e.g., get_passage) to route against, so it stops short of explicit sibling differentiation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives a clear use context: comparing translations, and specifically passages where the Septuagint and Masoretic-based Bibles diverge (Isaiah 7:14, Psalm 40:6, etc.), which is genuinely actionable guidance. It offers no exclusions or explicit alternatives, so it lacks the when-not-to-use half of a 5.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Sovereign Logos Scripture tools Inspect

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