diff --git a/src/application/EnhancedTools.ts b/src/application/EnhancedTools.ts
index 707e6318fe..e00d2e83ed 100644
--- a/src/application/EnhancedTools.ts
+++ b/src/application/EnhancedTools.ts
@@ -1,3 +1,4 @@
+import { nativeProcedureInputSchema } from "../domain/native/nativeProcedureInput.js";
 import { CALL_RELATIONSHIP_TRAVERSALS } from "./CallRelationshipTraversal.js";
 import { z } from "zod";
 
@@ -9,7 +10,6 @@ import type {
 } from "./AnalysisProvider.js";
 import {
   enhancedInputSchemas,
-  MAX_ENHANCED_RECORDS,
   type CallRelationshipDirection,
   type EnhancedToolName,
 } from "../contracts/enhancedInputs.js";
@@ -21,7 +21,6 @@ import {
 import { projectAnalysisError } from "../domain/analysisErrorProjection.js";
 import type { AnalysisError } from "../domain/analysisErrorBase.js";
 import {
-  functionDossierSchema,
   parseFunctionDossier,
   parseListCount,
   parseRelatedAddresses,
@@ -40,7 +39,10 @@ import { traceNativeValues } from "./native/NativeValueTrace.js";
 import { traceNativeUiAction } from "./native/NativeUiActionTrace.js";
 import { jsonValueSchema, type JsonValue } from "../domain/jsonValue.js";
 import { addressedValueSchema } from "../domain/native/nativeInventory.js";
-import { nativeDispatchMetadataResultSchema } from "../domain/native/objcSwiftMetadata.js";
+import {
+  nativeDispatchMetadataResultSchema,
+  MAX_DISPATCH_METADATA_RECORDS,
+} from "../domain/native/objcSwiftMetadata.js";
 import { isMachOFormat } from "../domain/binaryTargetTypes.js";
 import { compareUnicodeCodePoints } from "../domain/unicodeCodePointOrder.js";
 import {
@@ -269,12 +271,7 @@ export class EnhancedTools {
     input: unknown,
     signal?: AbortSignal,
   ): EnhancedResult {
-    if (name === "analyze_function") {
-      const parsed = enhancedInputSchemas.analyze_function.safeParse(input);
-      if (!parsed.success) return invalidEnhancedInput(name, parsed.error);
-      return this.executeValidated({ name, input: parsed.data }, signal);
-    }
-    const parsed = enhancedInputSchemas.inspect_native_api.safeParse(input);
+    const parsed = nativeProcedureInputSchema.safeParse(input);
     if (!parsed.success) return invalidEnhancedInput(name, parsed.error);
     return this.executeValidated({ name, input: parsed.data }, signal);
   }
@@ -288,18 +285,14 @@ export class EnhancedTools {
   }
 
   async #inspectNativeApi(
-    input: z.output<typeof enhancedInputSchemas.inspect_native_api>,
+    input: z.output<typeof nativeProcedureInputSchema>,
     signal?: AbortSignal,
   ): EnhancedResult {
-    const analysisInput = enhancedInputSchemas.analyze_function.parse({
-      procedure: input.procedure,
-    });
-    const result = await this.#call("analyze_function", analysisInput, signal);
+    const result = await this.#call("analyze_function", input, signal);
     if (!result.ok) return result;
     const parsed = parseFunctionDossier(result.value);
     if (!parsed.ok) return parsed;
-    const dossier = functionDossierSchema.parse(parsed.value);
-    return ok(jsonValueSchema.parse(projectNativeApiInspection(dossier)));
+    return ok(jsonValueSchema.parse(projectNativeApiInspection(parsed.value)));
   }
 
   async #objcClasses(pattern: string, signal?: AbortSignal): EnhancedResult {
@@ -320,14 +313,14 @@ export class EnhancedTools {
       );
 
     const addresses = [...new Set(candidates.map(({ address }) => address))];
-    const scannedAddresses = addresses.slice(0, MAX_ENHANCED_RECORDS);
+    const scannedAddresses = addresses.slice(0, MAX_DISPATCH_METADATA_RECORDS);
     const bindingsExecution = await this.#observe(
       "inspect_native_dispatch_metadata",
       {
-        max_records: MAX_ENHANCED_RECORDS,
+        max_records: MAX_DISPATCH_METADATA_RECORDS,
         objc_class_import_addresses: scannedAddresses,
         objc_class_import_addresses_complete:
-          addresses.length <= MAX_ENHANCED_RECORDS,
+          addresses.length <= MAX_DISPATCH_METADATA_RECORDS,
       },
       signal,
     );
diff --git a/src/application/FunctionAnalysisEvidence.ts b/src/application/FunctionAnalysisEvidence.ts
index e12b0831e8..eed135ca34 100644
--- a/src/application/FunctionAnalysisEvidence.ts
+++ b/src/application/FunctionAnalysisEvidence.ts
@@ -2,11 +2,11 @@ import type {
   AnalysisOperationPort,
   ExecutionOptions,
 } from "./AnalysisProvider.js";
-import { toolContract } from "../contracts/toolContracts.js";
+import { nativeProcedureInputSchema } from "../domain/native/nativeProcedureInput.js";
 import type { BinaryTarget } from "../domain/binaryTargetTypes.js";
 import { createEvidence } from "../domain/evidence.js";
 import { parseFunctionDossier } from "../domain/hopperValues.js";
-import { jsonObjectSchema, type JsonValue } from "../domain/jsonValue.js";
+import type { JsonValue } from "../domain/jsonValue.js";
 import { err } from "../domain/result.js";
 import { analysisInputErrorFromIssues } from "../domain/inputIssueProjection.js";
 import { AnalysisCancelledError } from "../domain/analysisErrorCore.js";
@@ -25,8 +25,7 @@ export const executeFunctionAnalysisEvidence = async (
         cause: options.signal.reason,
       }),
     );
-  const input =
-    toolContract("analyze_function").inputSchema.safeParse(parameters);
+  const input = nativeProcedureInputSchema.safeParse(parameters);
   if (!input.success)
     return err(
       analysisInputErrorFromIssues(
@@ -36,7 +35,7 @@ export const executeFunctionAnalysisEvidence = async (
         { cause: input.error },
       ),
     );
-  const arguments_ = jsonObjectSchema.parse(input.data);
+  const arguments_ = input.data;
   const execution = await analysis.execute(
     "analyze_function",
     arguments_,
diff --git a/src/cli/coreNativeCommands.ts b/src/cli/coreNativeCommands.ts
index 6eaff992e5..df28430346 100644
--- a/src/cli/coreNativeCommands.ts
+++ b/src/cli/coreNativeCommands.ts
@@ -1,4 +1,4 @@
-import { enhancedInputSchemas } from "../contracts/enhancedInputs.js";
+import { nativeDispatchMetadataInputSchema } from "../domain/native/objcSwiftMetadata.js";
 import { z } from "incur";
 
 import type { DirectAnalysis } from "../composition/directAnalysis.js";
@@ -266,16 +266,10 @@ const registerNativeDispatchMetadataCommand = (
       path: z.string().describe("Target path used to bind the result evidence"),
     }),
     options: z.object({
-      maxRecords: z
-        .number()
-        .int()
-        .min(1)
-        .max(20_000)
-        .default(5_000)
-        .describe("Maximum symbol records to inspect"),
-      maxInputBytes:
-        enhancedInputSchemas.inspect_native_dispatch_metadata.shape
-          .max_input_bytes,
+      maxRecords: nativeDispatchMetadataInputSchema.shape.max_records.describe(
+        "Maximum symbol records to inspect",
+      ),
+      maxInputBytes: nativeDispatchMetadataInputSchema.shape.max_input_bytes,
       snapshot: snapshotSelectionOption.describe(
         "Load or update the local analysis snapshot",
       ),
diff --git a/src/contracts/enhancedInputs.ts b/src/contracts/enhancedInputs.ts
index 3fb1b9e3b7..1d715e90ee 100644
--- a/src/contracts/enhancedInputs.ts
+++ b/src/contracts/enhancedInputs.ts
@@ -1,5 +1,6 @@
 import { z } from "zod";
-import { MAXIMUM_DISPATCH_METADATA_INPUT_BYTES } from "../domain/native/objcSwiftMetadata.js";
+import { nativeDispatchMetadataInputSchema } from "../domain/native/objcSwiftMetadata.js";
+import { nativeProcedureInputSchema } from "../domain/native/nativeProcedureInput.js";
 import { nativeValueTraceInputSchema } from "../domain/native/nativeValueTrace.js";
 const traceLiteralInputSchema = z.strictObject({
   query: z.string().min(1),
@@ -7,7 +8,6 @@ const traceLiteralInputSchema = z.strictObject({
 });
 
 export const DEFAULT_CALL_RELATIONSHIP_DIRECTION = "forward";
-export const MAX_ENHANCED_RECORDS = 20_000;
 const callRelationshipDirectionSchema = z
   .enum(["forward", "backward"])
   .default(DEFAULT_CALL_RELATIONSHIP_DIRECTION);
@@ -18,31 +18,7 @@ export type CallRelationshipDirection = z.output<
 /** Input schemas shared by MCP registration and enhanced application dispatch. */
 export const enhancedInputSchemas = {
   trace_native_values: nativeValueTraceInputSchema,
-  inspect_native_dispatch_metadata: z.strictObject({
-    max_records: z.int().min(1).max(MAX_ENHANCED_RECORDS).default(5_000),
-    objc_class_import_addresses: z
-      .array(z.string())
-      .max(MAX_ENHANCED_RECORDS)
-      .describe(
-        "Optional exact pointer-slot addresses from the selected name inventory; used to report decoded Objective-C class import bindings.",
-      )
-      .optional(),
-    objc_class_import_addresses_complete: z
-      .boolean()
-      .describe(
-        "Whether the candidate addresses include every selected class-label row; false keeps binding coverage partial when the existing record budget truncates the scan.",
-      )
-      .optional(),
-    max_input_bytes: z
-      .number()
-      .int()
-      .min(1)
-      .max(MAXIMUM_DISPATCH_METADATA_INPUT_BYTES)
-      .optional()
-      .describe(
-        "Largest target file REA reads into memory for binary metadata, in bytes. Omitted: 67108864 (64 MiB). The whole file counts, including every slice of a universal Mach-O. At most 1073741824 (1 GiB).",
-      ),
-  }),
+  inspect_native_dispatch_metadata: nativeDispatchMetadataInputSchema,
   get_objc_classes: z.strictObject({ pattern: z.string().default("") }),
   get_objc_protocols: z.strictObject({}),
   batch_decompile: z.strictObject({
@@ -74,12 +50,8 @@ export const enhancedInputSchemas = {
   }),
   find_xrefs_to_name: z.strictObject({ name: z.string() }),
   binary_overview: z.strictObject({}),
-  analyze_function: z.strictObject({
-    procedure: z.string().describe("A procedure name or address"),
-  }),
-  inspect_native_api: z.strictObject({
-    procedure: z.string().describe("A procedure name or address"),
-  }),
+  analyze_function: nativeProcedureInputSchema,
+  inspect_native_api: nativeProcedureInputSchema,
   trace_feature: traceLiteralInputSchema,
   trace_call_path: z.strictObject({
     start: z.string().describe("A starting procedure symbol or address"),
diff --git a/src/domain/hopperValues.ts b/src/domain/hopperValues.ts
index 5babb652d7..2d88397686 100644
--- a/src/domain/hopperValues.ts
+++ b/src/domain/hopperValues.ts
@@ -435,7 +435,7 @@ export type FunctionDossier = z.infer<typeof functionDossierSchema>;
 /** Strictly parse a complete provider-neutral function dossier. */
 export const parseFunctionDossier = (
   value: JsonValue,
-): Result<JsonValue, AnalysisOutputError> => {
+): Result<FunctionDossier, AnalysisOutputError> => {
   const parsed = functionDossierSchema.safeParse(value);
   return parsed.success
     ? ok(parsed.data)
diff --git a/src/domain/native/nativeProcedureInput.ts b/src/domain/native/nativeProcedureInput.ts
new file mode 100644
index 0000000000..31dacbce24
--- /dev/null
+++ b/src/domain/native/nativeProcedureInput.ts
@@ -0,0 +1,6 @@
+import { z } from "zod";
+
+/** Selected procedure for function dossier and native API analysis. */
+export const nativeProcedureInputSchema = z.strictObject({
+  procedure: z.string().describe("A procedure name or address"),
+});
diff --git a/src/domain/native/objcSwiftMetadata.ts b/src/domain/native/objcSwiftMetadata.ts
index b056c894ab..2ff35353ce 100644
--- a/src/domain/native/objcSwiftMetadata.ts
+++ b/src/domain/native/objcSwiftMetadata.ts
@@ -356,7 +356,6 @@ export const objcSwiftMetadataSchema = z.strictObject({
 });
 export type ObjcSwiftMetadata = z.infer<typeof objcSwiftMetadataSchema>;
 
-/** Provider and target identity for one normalized dispatch-metadata result. */
 /** Retained-image budget when the caller selects none. */
 export const DEFAULT_DISPATCH_METADATA_INPUT_BYTES = 64 * 1024 * 1024;
 
@@ -367,6 +366,42 @@ export const DEFAULT_DISPATCH_METADATA_INPUT_BYTES = 64 * 1024 * 1024;
  */
 export const MAXIMUM_DISPATCH_METADATA_INPUT_BYTES = 1024 * 1024 * 1024;
 
+/** Shared metadata row allowance for provider reads and class-import discovery. */
+export const MAX_DISPATCH_METADATA_RECORDS = 20_000;
+export const DEFAULT_DISPATCH_METADATA_RECORDS = 5_000;
+
+/** Selected dispatch facts and retained-image budget, shared by providers and adapters. */
+export const nativeDispatchMetadataInputSchema = z.strictObject({
+  max_records: z
+    .number()
+    .int()
+    .min(1)
+    .max(MAX_DISPATCH_METADATA_RECORDS)
+    .default(DEFAULT_DISPATCH_METADATA_RECORDS),
+  objc_class_import_addresses: z
+    .array(z.string())
+    .max(MAX_DISPATCH_METADATA_RECORDS)
+    .describe(
+      "Optional exact pointer-slot addresses from the selected name inventory; used to report decoded Objective-C class import bindings.",
+    )
+    .optional(),
+  objc_class_import_addresses_complete: z
+    .boolean()
+    .describe(
+      "Whether the candidate addresses include every selected class-label row; false keeps binding coverage partial when the existing record budget truncates the scan.",
+    )
+    .optional(),
+  max_input_bytes: z
+    .number()
+    .int()
+    .min(1)
+    .max(MAXIMUM_DISPATCH_METADATA_INPUT_BYTES)
+    .optional()
+    .describe(
+      "Largest target file REA reads into memory for binary metadata, in bytes. Omitted: 67108864 (64 MiB). The whole file counts, including every slice of a universal Mach-O. At most 1073741824 (1 GiB).",
+    ),
+});
+
 /** Effective input budget of one binary metadata read and the bytes it retained. */
 export const dispatchMetadataInputAdmissionSchema = z.strictObject({
   maximum_bytes: z
@@ -381,6 +416,7 @@ export type DispatchMetadataInputAdmission = z.infer<
   typeof dispatchMetadataInputAdmissionSchema
 >;
 
+/** Provider and target identity for one normalized dispatch-metadata result. */
 export const nativeDispatchMetadataResultSchema = z.strictObject({
   target_sha256: z
     .string()
@@ -401,7 +437,7 @@ export const nativeDispatchMetadataResultSchema = z.strictObject({
 /** Decode only facts visible in a provider's existing name inventory. */
 export const inspectNativeDispatchMetadata = (
   names: readonly { readonly address: string; readonly name: string }[],
-  maxRecords = 5_000,
+  maxRecords = DEFAULT_DISPATCH_METADATA_RECORDS,
 ): ObjcSwiftMetadata => {
   const symbolEvidence = (
     entry: (typeof names)[number],
diff --git a/src/native/NativeMacOSProvider.ts b/src/native/NativeMacOSProvider.ts
index 157b73d4fa..a0357ccba8 100644
--- a/src/native/NativeMacOSProvider.ts
+++ b/src/native/NativeMacOSProvider.ts
@@ -46,8 +46,10 @@ import {
   isMachOFormat,
   type BinaryTarget,
 } from "../domain/binaryTargetTypes.js";
-import { isAppleDispatchMetadataTarget } from "../domain/native/objcSwiftMetadata.js";
-import { toolContract } from "../contracts/toolContracts.js";
+import {
+  isAppleDispatchMetadataTarget,
+  nativeDispatchMetadataInputSchema,
+} from "../domain/native/objcSwiftMetadata.js";
 import { analysisInputErrorFromIssues } from "../domain/inputIssueProjection.js";
 import type { EvidenceLocation } from "../domain/evidence.js";
 import {
@@ -270,7 +272,7 @@ class NativeMacOSClient implements AnalysisClient {
         ),
       );
     if (operation === "inspect_native_dispatch_metadata") {
-      const input = toolContract(operation).inputSchema.safeParse(parameters);
+      const input = nativeDispatchMetadataInputSchema.safeParse(parameters);
       if (!input.success)
         return err(
           analysisInputErrorFromIssues(