diff --git a/package.json b/package.json
index 99464bb..69976e4 100644
--- a/package.json
+++ b/package.json
@@ -59,6 +59,7 @@
 		"publint": "catalog:dev",
 		"tsdown": "catalog:dev",
 		"type-fest": "catalog:dev",
+		"typescript": "catalog:dev",
 		"unplugin-unused": "catalog:dev",
 		"vitest": "catalog:dev"
 	},
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index afdd528..d53dc7b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -60,6 +60,9 @@ catalogs:
     type-fest:
       specifier: ^4.41.0
       version: 4.41.0
+    typescript:
+      specifier: ^5.8.3
+      version: 5.9.3
     unplugin-unused:
       specifier: ^0.5.4
       version: 0.5.6
@@ -176,6 +179,9 @@ importers:
       type-fest:
         specifier: catalog:dev
         version: 4.41.0
+      typescript:
+        specifier: catalog:dev
+        version: 5.9.3
       unplugin-unused:
         specifier: catalog:dev
         version: 0.5.6
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index f13557b..e86a9b3 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -24,6 +24,7 @@ catalogs:
     publint: ^0.3.12
     tsdown: ^0.17.2
     type-fest: ^4.41.0
+    typescript: ^5.8.3
     unplugin-unused: ^0.5.4
     vitest: ^4.0.15
     zod: ^4.1.13
diff --git a/src/toolsets.test.ts b/src/toolsets.test.ts
index 2530a85..f905407 100644
--- a/src/toolsets.test.ts
+++ b/src/toolsets.test.ts
@@ -12,22 +12,6 @@ import { type McpToolDefinition, createMcpApp } from '../mocks/mcp-server';
 import { server } from '../mocks/node';
 import { StackOneToolSet, ToolSetConfigError } from './toolsets';
 
-/**
- * Test helper: Extends StackOneToolSet to expose private methods for testing
- */
-class TestableStackOneToolSet extends StackOneToolSet {
-	// Expose private methods for testing
-	public testMatchesFilter(toolName: string, filterPattern: string | string[]): boolean {
-		// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Accessing private method for testing
-		return (this as any).matchesFilter(toolName, filterPattern);
-	}
-
-	public testMatchGlob(str: string, pattern: string): boolean {
-		// eslint-disable-next-line @typescript-eslint/no-explicit-any -- Accessing private method for testing
-		return (this as any).matchGlob(str, pattern);
-	}
-}
-
 describe('StackOneToolSet', () => {
 	beforeEach(() => {
 		vi.stubEnv('STACKONE_API_KEY', 'test_key');
@@ -174,41 +158,6 @@ describe('StackOneToolSet', () => {
 		});
 	});
 
-	describe('glob and filter matching', () => {
-		it('should correctly match glob patterns', () => {
-			const toolset = new TestableStackOneToolSet({ apiKey: 'test_key' });
-
-			expect(toolset.testMatchGlob('bamboohr_get_employee', 'bamboohr_*')).toBe(true);
-			expect(toolset.testMatchGlob('bamboohr_get_employee', 'salesforce_*')).toBe(false);
-			expect(toolset.testMatchGlob('bamboohr_get_employee', '*_get_*')).toBe(true);
-			expect(toolset.testMatchGlob('bamboohr_get_employee', 'bamboohr_get_?mployee')).toBe(true);
-			expect(toolset.testMatchGlob('bamboohr.get.employee', 'bamboohr.get.employee')).toBe(true);
-		});
-
-		it('should correctly filter tools with a pattern', () => {
-			const toolset = new TestableStackOneToolSet({ apiKey: 'test_key' });
-
-			expect(toolset.testMatchesFilter('bamboohr_get_employee', 'bamboohr_*')).toBe(true);
-			expect(toolset.testMatchesFilter('salesforce_get_contact', 'bamboohr_*')).toBe(false);
-			expect(
-				toolset.testMatchesFilter('bamboohr_get_employee', ['bamboohr_*', 'salesforce_*']),
-			).toBe(true);
-			expect(
-				toolset.testMatchesFilter('salesforce_get_contact', ['bamboohr_*', 'salesforce_*']),
-			).toBe(true);
-			expect(
-				toolset.testMatchesFilter('workday_get_candidate', ['bamboohr_*', 'salesforce_*']),
-			).toBe(false);
-
-			// Test negative patterns
-			expect(toolset.testMatchesFilter('bamboohr_get_employee', ['*', '!salesforce_*'])).toBe(true);
-			expect(toolset.testMatchesFilter('salesforce_get_contact', ['*', '!salesforce_*'])).toBe(
-				false,
-			);
-			expect(toolset.testMatchesFilter('bamboohr_get_employee', ['*', '!bamboohr_*'])).toBe(false);
-		});
-	});
-
 	describe('fetchTools (MCP integration)', () => {
 		it('creates tools from MCP catalog and wires RPC execution', async () => {
 			const toolset = new StackOneToolSet({
diff --git a/src/toolsets.ts b/src/toolsets.ts
index b15d82d..9eba7d5 100644
--- a/src/toolsets.ts
+++ b/src/toolsets.ts
@@ -1,5 +1,4 @@
 import { defu } from 'defu';
-import type { Arrayable } from 'type-fest';
 import { DEFAULT_BASE_URL, UNIFIED_API_PREFIX } from './consts';
 import { createFeedbackTool } from './feedback';
 import { type StackOneHeaders, normaliseHeaders, stackOneHeadersSchema } from './headers';
@@ -13,7 +12,6 @@ import type {
 	RpcExecuteConfig,
 	ToolParameters,
 } from './types';
-import { toArray } from './utils/array';
 import { StackOneError } from './utils/errors';
 
 /**
@@ -346,30 +344,6 @@ export class StackOneToolSet {
 		return new Tools(filteredTools);
 	}
 
-	/**
-	 * Check if a tool name matches a filter pattern
-	 * @param toolName Tool name to check
-	 * @param filterPattern Filter pattern or array of patterns
-	 * @returns True if the tool name matches the filter pattern
-	 */
-	private matchesFilter(toolName: string, filterPattern: Arrayable<string>): boolean {
-		// Convert to array to handle both single string and array patterns
-		const patterns = toArray(filterPattern);
-
-		// Split into positive and negative patterns
-		const positivePatterns = patterns.filter((p) => !p.startsWith('!'));
-		const negativePatterns = patterns.filter((p) => p.startsWith('!')).map((p) => p.substring(1));
-
-		// If no positive patterns, treat as match all
-		const matchesPositive =
-			positivePatterns.length === 0 || positivePatterns.some((p) => this.matchGlob(toolName, p));
-
-		// If any negative pattern matches, exclude the tool
-		const matchesNegative = negativePatterns.some((p) => this.matchGlob(toolName, p));
-
-		return matchesPositive && !matchesNegative;
-	}
-
 	/**
 	 * Check if a string matches a glob pattern
 	 * @param str String to check