diff --git a/.github/workflows/lint-build-test.yml b/.github/workflows/lint-build-test.yml
index 76ff47fe639..5af0be17b0a 100644
--- a/.github/workflows/lint-build-test.yml
+++ b/.github/workflows/lint-build-test.yml
@@ -42,6 +42,7 @@ jobs:
           - lint:misc:check
           - lint:teams
           - lint:tsconfigs:all
+          - lint:tsc
           - messenger-action-types:check
           - readme-content:check
     steps:
diff --git a/.gitignore b/.gitignore
index 650326318de..3dbfdb48a7c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,6 +34,7 @@ scripts/coverage
 !.yarn/versions
 
 # typescript
+**/.tsc-lint-cache/
 packages/*/*.tsbuildinfo
 
 # AI
diff --git a/knip.config.ts b/knip.config.mts
similarity index 100%
rename from knip.config.ts
rename to knip.config.mts
diff --git a/package.json b/package.json
index 0ce1658b60b..57c42f5a186 100644
--- a/package.json
+++ b/package.json
@@ -27,14 +27,15 @@
     "docs:platform-api:build": "yarn workspace @metamask/platform-api-docs cli ../.. --build --project-label Core",
     "docs:platform-api:dev": "yarn workspace @metamask/platform-api-docs cli ../.. --dev --project-label Core",
     "docs:platform-api:serve": "yarn workspace @metamask/platform-api-docs cli ../.. --serve --project-label Core",
-    "lint": "yarn lint:eslint && echo && yarn lint:misc --check && yarn constraints && yarn lint:dependencies && yarn lint:teams && yarn messenger-action-types:check && yarn readme-content:check && yarn lint:tsconfigs:all && yarn codeowners:check",
-    "lint:dependencies": "knip --dependencies && yarn dedupe --check",
-    "lint:dependencies:fix": "knip --dependencies && yarn dedupe",
+    "lint": "yarn lint:tsc && yarn lint:eslint && echo && yarn lint:misc --check && yarn constraints && yarn lint:dependencies && yarn lint:teams && yarn messenger-action-types:check && yarn readme-content:check && yarn lint:tsconfigs:all && yarn codeowners:check",
+    "lint:dependencies": "knip --config knip.config.mts --dependencies && yarn dedupe --check",
+    "lint:dependencies:fix": "knip --config knip.config.mts --dependencies && yarn dedupe",
     "lint:eslint": "yarn build:only-clean && NODE_OPTIONS='--max-old-space-size=8192' yarn eslint",
     "lint:fix": "yarn lint:eslint --fix --prune-suppressions && echo && yarn lint:misc --write && yarn constraints --fix && yarn lint:dependencies:fix && yarn messenger-action-types:generate && yarn readme-content:update && yarn codeowners:generate",
     "lint:misc": "oxfmt --ignore-path .gitignore",
     "lint:misc:check": "yarn lint:misc --check",
     "lint:teams": "tsx scripts/lint-teams-json.ts",
+    "lint:tsc": "tsc --build tsconfig.lint.json",
     "lint:tsconfigs": "tsx scripts/lint-tsconfigs/lint-tsconfigs.mts",
     "lint:tsconfigs:all": "yarn workspaces foreach --all --parallel --interlaced --verbose run lint:tsconfigs",
     "lint:tsconfigs:fix": "tsx scripts/lint-tsconfigs/lint-tsconfigs.mts --fix",
diff --git a/packages/base-controller/tsconfig.lint.json b/packages/base-controller/tsconfig.lint.json
new file mode 100644
index 00000000000..1e03d050875
--- /dev/null
+++ b/packages/base-controller/tsconfig.lint.json
@@ -0,0 +1,12 @@
+{
+  "extends": ["./tsconfig.json", "../../tsconfig.packages.lint.json"],
+  "compilerOptions": {
+    "outDir": "./.tsc-lint-cache",
+    "tsBuildInfoFile": "./.tsc-lint-cache/tsconfig.tsbuildinfo"
+  },
+  "references": [
+    {
+      "path": "../messenger/tsconfig.lint.json"
+    }
+  ]
+}
diff --git a/packages/messenger-cli/tsconfig.lint.json b/packages/messenger-cli/tsconfig.lint.json
new file mode 100644
index 00000000000..fb65dcfce34
--- /dev/null
+++ b/packages/messenger-cli/tsconfig.lint.json
@@ -0,0 +1,8 @@
+{
+  "extends": ["./tsconfig.json", "../../tsconfig.packages.lint.json"],
+  "compilerOptions": {
+    "outDir": "./.tsc-lint-cache",
+    "tsBuildInfoFile": "./.tsc-lint-cache/tsconfig.tsbuildinfo"
+  },
+  "references": []
+}
diff --git a/packages/messenger/tsconfig.lint.json b/packages/messenger/tsconfig.lint.json
new file mode 100644
index 00000000000..378ed1dce55
--- /dev/null
+++ b/packages/messenger/tsconfig.lint.json
@@ -0,0 +1,7 @@
+{
+  "extends": ["./tsconfig.json", "../../tsconfig.packages.lint.json"],
+  "compilerOptions": {
+    "outDir": "./.tsc-lint-cache",
+    "tsBuildInfoFile": "./.tsc-lint-cache/tsconfig.tsbuildinfo"
+  }
+}
diff --git a/packages/platform-api-docs/tsconfig.lint.json b/packages/platform-api-docs/tsconfig.lint.json
new file mode 100644
index 00000000000..fb65dcfce34
--- /dev/null
+++ b/packages/platform-api-docs/tsconfig.lint.json
@@ -0,0 +1,8 @@
+{
+  "extends": ["./tsconfig.json", "../../tsconfig.packages.lint.json"],
+  "compilerOptions": {
+    "outDir": "./.tsc-lint-cache",
+    "tsBuildInfoFile": "./.tsc-lint-cache/tsconfig.tsbuildinfo"
+  },
+  "references": []
+}
diff --git a/scripts/create-package/cli.test.ts b/scripts/create-package/cli.test.ts
index 330f9838ded..8ddecfb8653 100644
--- a/scripts/create-package/cli.test.ts
+++ b/scripts/create-package/cli.test.ts
@@ -44,7 +44,7 @@ describe('create-package/cli', () => {
   beforeEach(() => {
     // yargs calls process.exit() with 1 on failure and sometimes 0 on success.
     // We have to intercept it.
-    jest.spyOn(process, 'exit').mockImplementation((code?: number) => {
+    jest.spyOn(process, 'exit').mockImplementation((code) => {
       if (code === 1) {
         throw new Error('exit: 1');
       } else {
diff --git a/scripts/lint-tsconfigs/lint-package-tsconfigs.mts b/scripts/lint-tsconfigs/lint-package-tsconfigs.mts
index e3d77708c4d..e50e79f43f7 100644
--- a/scripts/lint-tsconfigs/lint-package-tsconfigs.mts
+++ b/scripts/lint-tsconfigs/lint-package-tsconfigs.mts
@@ -1,10 +1,14 @@
+import * as path from 'path';
+
 import type {
   PackageManifest,
   TsconfigLintMetaReport,
+  Workspace,
   Workspaces,
 } from './utils.mjs';
 import {
   ensureTsconfigsUpdated,
+  filterWorkspacesWithTsconfig,
   getAllNonRootWorkspaces,
   lintTsconfigs,
   printReport,
@@ -13,8 +17,9 @@ import {
 } from './utils.mjs';
 
 /**
- * Lints a package's tsconfig.json and tsconfig.build.json files to ensure they
- * reference all workspace dependencies. Optionally fixes any issues found.
+ * Lints a package's development, build, and lint TypeScript configs to ensure
+ * they reference the expected workspace dependencies. Optionally fixes any
+ * issues found.
  *
  * @param options - The options object.
  * @param options.packageRoot - The root directory of the package.
@@ -33,45 +38,158 @@ export async function lintPackageTsconfigs({
 }): Promise<boolean> {
   const manifest = await readPackageManifest(packageRoot);
   const workspaces = await getAllNonRootWorkspaces(repoRoot);
-  const tsconfigs = await Promise.all([
+  const expectedPackageNames = getExpectedWorkspaceDependencies({
+    manifest,
+    workspaces,
+  });
+
+  const devAndBuildReport = await lintPackageDevAndBuildOnlyTsconfigs({
+    packageRoot,
+    repoRoot,
+    workspaces,
+    expectedPackageNames,
+    shouldFix,
+  });
+  const lintReport = await lintPackageLintOnlyTsconfigs({
+    packageRoot,
+    repoRoot,
+    manifest,
+    workspaces,
+    expectedPackageNames,
+    shouldFix,
+  });
+
+  return devAndBuildReport.didPass && lintReport.didPass;
+}
+
+/**
+ * Lints a package's development- and build-only TypeScript configs to ensure
+ * they reference the expected workspace dependencies. Optionally fixes any
+ * issues found.
+ *
+ * @param options - The options object.
+ * @param options.packageRoot - The root directory of the package.
+ * @param options.repoRoot - The root directory of the repository.
+ * @param options.workspaces - The workspaces in the repository.
+ * @param options.expectedPackageNames - Workspace dependencies to reference.
+ * @param options.shouldFix - Whether to automatically fix issues.
+ * @returns The report resulting from the lint.
+ */
+export async function lintPackageDevAndBuildOnlyTsconfigs({
+  packageRoot,
+  repoRoot,
+  workspaces,
+  expectedPackageNames,
+  shouldFix,
+}: {
+  packageRoot: string;
+  repoRoot: string;
+  workspaces: Workspaces;
+  expectedPackageNames: Set<string>;
+  shouldFix: boolean;
+}): Promise<TsconfigLintMetaReport> {
+  const devAndBuildTsconfigs = await Promise.all([
     readTsconfig(packageRoot, 'tsconfig.json'),
     readTsconfig(packageRoot, 'tsconfig.build.json'),
   ]);
-  const expectedPackageNames = getExpectedWorkspaceDependencies({
-    manifest,
+  const expectedWorkspaces = getSortedWorkspaces({
+    packageNames: expectedPackageNames,
     workspaces,
   });
-  const sortedExpectedWorkspaces = [...expectedPackageNames]
-    .sort((a, b) => a.localeCompare(b))
-    .map((name) => {
-      const workspace = workspaces.byName.get(name);
-      if (!workspace) {
-        throw new Error(`Expected workspace not found for package: ${name}`);
-      }
-      return workspace;
-    });
 
-  let report: TsconfigLintMetaReport;
-  if (shouldFix) {
-    report = await ensureTsconfigsUpdated({
-      workspaces: sortedExpectedWorkspaces,
-      tsconfigs,
-      repoRoot,
-      currentWorkspaceRoot: packageRoot,
-    });
-  } else {
-    report = await lintTsconfigs({
-      tsconfigs,
-      expectedPackageNames,
-      workspaces,
-      repoRoot,
-      currentWorkspaceRoot: packageRoot,
-    });
-  }
+  const report = shouldFix
+    ? await ensureTsconfigsUpdated({
+        workspaces: expectedWorkspaces,
+        tsconfigs: devAndBuildTsconfigs,
+        repoRoot,
+        currentWorkspaceRoot: packageRoot,
+      })
+    : await lintTsconfigs({
+        tsconfigs: devAndBuildTsconfigs,
+        expectedPackageNames,
+        workspaces,
+        repoRoot,
+        currentWorkspaceRoot: packageRoot,
+      });
+
+  printReport(report);
+
+  return report;
+}
+
+/**
+ * Lints a package's lint-only TypeScript config to ensure it references the
+ * expected workspace dependencies. Optionally fixes any issues found.
+ *
+ * @param options - The options object.
+ * @param options.packageRoot - The root directory of the package.
+ * @param options.repoRoot - The root directory of the repository.
+ * @param options.manifest - Contents of the package's `package.json` file.
+ * @param options.workspaces - The workspaces in the repository.
+ * @param options.expectedPackageNames - Workspace dependencies to reference.
+ * @param options.shouldFix - Whether to automatically fix issues.
+ * @returns The report resulting from the lint.
+ */
+export async function lintPackageLintOnlyTsconfigs({
+  packageRoot,
+  repoRoot,
+  manifest,
+  workspaces,
+  expectedPackageNames,
+  shouldFix,
+}: {
+  packageRoot: string;
+  repoRoot: string;
+  manifest: PackageManifest;
+  workspaces: Workspaces;
+  expectedPackageNames: Set<string>;
+  shouldFix: boolean;
+}): Promise<TsconfigLintMetaReport> {
+  const expectedWorkspaces = getSortedWorkspaces({
+    packageNames: expectedPackageNames,
+    workspaces,
+  });
+  const lintWorkspaces = await filterWorkspacesWithTsconfig({
+    workspaces: expectedWorkspaces,
+    repoRoot,
+    fileName: 'tsconfig.lint.json',
+  });
+  // This allows us to increase linting for the whole repo incrementally.
+  const packageLintWorkspaces = await filterWorkspacesWithTsconfig({
+    workspaces: [
+      {
+        name: manifest.name,
+        location: path.relative(repoRoot, packageRoot),
+      },
+    ],
+    repoRoot,
+    fileName: 'tsconfig.lint.json',
+  });
+  const lintTsconfigsToCheck =
+    packageLintWorkspaces.length === 0
+      ? []
+      : [await readTsconfig(packageRoot, 'tsconfig.lint.json')];
+
+  const report = shouldFix
+    ? await ensureTsconfigsUpdated({
+        workspaces: lintWorkspaces,
+        tsconfigs: lintTsconfigsToCheck,
+        repoRoot,
+        currentWorkspaceRoot: packageRoot,
+      })
+    : await lintTsconfigs({
+        tsconfigs: lintTsconfigsToCheck,
+        expectedPackageNames: new Set(
+          lintWorkspaces.map((workspace) => workspace.name),
+        ),
+        workspaces,
+        repoRoot,
+        currentWorkspaceRoot: packageRoot,
+      });
 
   printReport(report);
 
-  return report.didPass;
+  return report;
 }
 
 /**
@@ -101,3 +219,29 @@ function getExpectedWorkspaceDependencies({
     ),
   );
 }
+
+/**
+ * Gets workspace metadata for the given package names in alphabetical order.
+ *
+ * @param options - The options object.
+ * @param options.packageNames - Workspace package names to resolve.
+ * @param options.workspaces - The workspaces in the repository.
+ * @returns The corresponding workspaces in alphabetical order.
+ */
+function getSortedWorkspaces({
+  packageNames,
+  workspaces,
+}: {
+  packageNames: Set<string>;
+  workspaces: Workspaces;
+}): Workspace[] {
+  return [...packageNames]
+    .sort((a, b) => a.localeCompare(b))
+    .map((name) => {
+      const workspace = workspaces.byName.get(name);
+      if (!workspace) {
+        throw new Error(`Expected workspace not found for package: ${name}`);
+      }
+      return workspace;
+    });
+}
diff --git a/scripts/lint-tsconfigs/lint-root-tsconfigs.mts b/scripts/lint-tsconfigs/lint-root-tsconfigs.mts
index b0ba2016190..d9858324b49 100644
--- a/scripts/lint-tsconfigs/lint-root-tsconfigs.mts
+++ b/scripts/lint-tsconfigs/lint-root-tsconfigs.mts
@@ -1,6 +1,7 @@
-import type { TsconfigLintMetaReport } from './utils.mjs';
+import type { TsconfigLintMetaReport, Workspaces } from './utils.mjs';
 import {
   ensureTsconfigsUpdated,
+  filterWorkspacesWithTsconfig,
   getAllNonRootWorkspaces,
   lintTsconfigs,
   printReport,
@@ -8,8 +9,9 @@ import {
 } from './utils.mjs';
 
 /**
- * Lints the root tsconfig.json and tsconfig.build.json files to ensure they
- * reference all workspace packages. Optionally fixes any issues found.
+ * Lints the root development, build, and lint TypeScript configs to ensure they
+ * reference the expected workspace packages. Optionally fixes any issues
+ * found.
  *
  * @param options - The options object.
  * @param options.repoRoot - The root directory of the repository.
@@ -24,30 +26,110 @@ export async function lintRootTsconfigs({
   shouldFix: boolean;
 }): Promise<boolean> {
   const workspaces = await getAllNonRootWorkspaces(repoRoot);
-  const tsconfigs = await Promise.all([
+
+  const devAndBuildReport = await lintRootDevAndBuildOnlyTsconfigs({
+    repoRoot,
+    workspaces,
+    shouldFix,
+  });
+  const lintReport = await lintRootLintOnlyTsconfigs({
+    repoRoot,
+    workspaces,
+    shouldFix,
+  });
+
+  return devAndBuildReport.didPass && lintReport.didPass;
+}
+
+/**
+ * Lints the root development- and build-only TypeScript configs to ensure they
+ * reference the expected workspace packages. Optionally fixes any issues found.
+ *
+ * @param options - The options object.
+ * @param options.repoRoot - The root directory of the repository.
+ * @param options.workspaces - The workspaces in the repository.
+ * @param options.shouldFix - Whether to automatically fix issues.
+ * @returns The report resulting from the lint.
+ */
+export async function lintRootDevAndBuildOnlyTsconfigs({
+  repoRoot,
+  workspaces,
+  shouldFix,
+}: {
+  repoRoot: string;
+  workspaces: Workspaces;
+  shouldFix: boolean;
+}): Promise<TsconfigLintMetaReport> {
+  const devAndBuildTsconfigs = await Promise.all([
     readTsconfig(repoRoot, 'tsconfig.json'),
     readTsconfig(repoRoot, 'tsconfig.build.json'),
   ]);
 
-  let report: TsconfigLintMetaReport;
-  if (shouldFix) {
-    report = await ensureTsconfigsUpdated({
-      workspaces: workspaces.list,
-      tsconfigs,
-      repoRoot,
-      currentWorkspaceRoot: repoRoot,
-    });
-  } else {
-    report = await lintTsconfigs({
-      tsconfigs,
-      expectedPackageNames: workspaces.names,
-      workspaces,
-      repoRoot,
-      currentWorkspaceRoot: repoRoot,
-    });
-  }
+  const report = shouldFix
+    ? await ensureTsconfigsUpdated({
+        workspaces: workspaces.list,
+        tsconfigs: devAndBuildTsconfigs,
+        repoRoot,
+        currentWorkspaceRoot: repoRoot,
+      })
+    : await lintTsconfigs({
+        tsconfigs: devAndBuildTsconfigs,
+        expectedPackageNames: workspaces.names,
+        workspaces,
+        repoRoot,
+        currentWorkspaceRoot: repoRoot,
+      });
+
+  printReport(report);
+
+  return report;
+}
+
+/**
+ * Lints the root lint-only TypeScript configs to ensure they
+ * reference the expected workspace packages. Optionally fixes any issues found.
+ *
+ * @param options - The options object.
+ * @param options.repoRoot - The root directory of the repository.
+ * @param options.workspaces - The workspaces in the repository.
+ * @param options.shouldFix - Whether to automatically fix issues.
+ * @returns The report resulting from the lint.
+ */
+export async function lintRootLintOnlyTsconfigs({
+  repoRoot,
+  workspaces,
+  shouldFix,
+}: {
+  repoRoot: string;
+  workspaces: Workspaces;
+  shouldFix: boolean;
+}): Promise<TsconfigLintMetaReport> {
+  const lintTsconfig = await readTsconfig(repoRoot, 'tsconfig.lint.json');
+  // This allows us to increase linting for the whole repo incrementally.
+  const lintWorkspaces = await filterWorkspacesWithTsconfig({
+    workspaces: workspaces.list,
+    repoRoot,
+    fileName: 'tsconfig.lint.json',
+  });
+
+  const report = shouldFix
+    ? await ensureTsconfigsUpdated({
+        workspaces: lintWorkspaces,
+        tsconfigs: [lintTsconfig],
+        repoRoot,
+        currentWorkspaceRoot: repoRoot,
+      })
+    : await lintTsconfigs({
+        tsconfigs: [lintTsconfig],
+        expectedPackageNames: new Set(
+          lintWorkspaces.map((workspace) => workspace.name),
+        ),
+        workspaces,
+        repoRoot,
+        currentWorkspaceRoot: repoRoot,
+      });
 
   printReport(report);
 
-  return report.didPass;
+  return report;
 }
diff --git a/scripts/lint-tsconfigs/lint-tsconfigs.mts b/scripts/lint-tsconfigs/lint-tsconfigs.mts
index 2c9d017ba0e..127d50d1db0 100644
--- a/scripts/lint-tsconfigs/lint-tsconfigs.mts
+++ b/scripts/lint-tsconfigs/lint-tsconfigs.mts
@@ -13,8 +13,8 @@ await main();
  * Detects whether the script is being run from the repository root or from
  * within a package, then lints the appropriate tsconfig files.
  *
- * When run from the root, lints only the root tsconfig pair.
- * When run from a package, lints only that package's tsconfig pair.
+ * When run from the root, lints only the root TypeScript configs.
+ * When run from a package, lints only that package's TypeScript configs.
  */
 async function main(): Promise<void> {
   const cwd = process.cwd();
diff --git a/scripts/lint-tsconfigs/utils.mts b/scripts/lint-tsconfigs/utils.mts
index 731c3da3e8c..8dfe2bed8c5 100644
--- a/scripts/lint-tsconfigs/utils.mts
+++ b/scripts/lint-tsconfigs/utils.mts
@@ -1,4 +1,4 @@
-import { readJsonFile, readFile } from '@metamask/utils/node';
+import { readJsonFile, readFile, fileExists } from '@metamask/utils/node';
 import * as commentJson from 'comment-json';
 import execa from 'execa';
 import fs from 'fs';
@@ -116,6 +116,39 @@ export async function getAllNonRootWorkspaces(
   };
 }
 
+/**
+ * Filters workspaces to those that contain a particular TypeScript config.
+ *
+ * @param args - The arguments to this function.
+ * @param args.workspaces - The workspaces to filter.
+ * @param args.repoRoot - The root directory of the repository.
+ * @param args.fileName - The TypeScript config filename to look for.
+ * @returns The workspaces containing the requested TypeScript config.
+ */
+export async function filterWorkspacesWithTsconfig({
+  workspaces,
+  repoRoot,
+  fileName,
+}: {
+  workspaces: readonly Workspace[];
+  repoRoot: string;
+  fileName: string;
+}): Promise<Workspace[]> {
+  const results = await Promise.all(
+    workspaces.map(async (workspace) => {
+      const filePath = path.resolve(repoRoot, workspace.location, fileName);
+      if (await fileExists(filePath)) {
+        return workspace;
+      }
+      return undefined;
+    }),
+  );
+
+  return results.filter(
+    (workspace): workspace is Workspace => workspace !== undefined,
+  );
+}
+
 /**
  * Reads and parses a package manifest from a package root directory.
  *
diff --git a/tsconfig.json b/tsconfig.json
index 83755477993..e7d0eba8840 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -309,6 +309,6 @@
     "./types",
     "./scripts",
     "./codeowners.ts",
-    "./knip.config.ts"
+    "./knip.config.mts"
   ]
 }
diff --git a/tsconfig.lint.json b/tsconfig.lint.json
new file mode 100644
index 00000000000..d04e36333ff
--- /dev/null
+++ b/tsconfig.lint.json
@@ -0,0 +1,24 @@
+{
+  /**
+   * This configuration incrementally enables repository-wide type checking.
+   */
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "skipLibCheck": true,
+    "tsBuildInfoFile": "./.tsc-lint-cache/lint.tsbuildinfo"
+  },
+  "references": [
+    {
+      "path": "./packages/base-controller/tsconfig.lint.json"
+    },
+    {
+      "path": "./packages/messenger/tsconfig.lint.json"
+    },
+    {
+      "path": "./packages/messenger-cli/tsconfig.lint.json"
+    },
+    {
+      "path": "./packages/platform-api-docs/tsconfig.lint.json"
+    }
+  ]
+}
diff --git a/tsconfig.packages.lint.json b/tsconfig.packages.lint.json
new file mode 100644
index 00000000000..9d6e40495bc
--- /dev/null
+++ b/tsconfig.packages.lint.json
@@ -0,0 +1,9 @@
+{
+  /**
+   * This configuration is extended by each package's `tsconfig.lint.json` configuration.
+   */
+  "compilerOptions": {
+    "emitDeclarationOnly": true,
+    "skipLibCheck": true
+  }
+}