diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 2c36f3b9..1eab07df 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1,330 +1,334 @@
 <?php
 
 /**
  * This file is automatically generated. Use 'arc liberate' to rebuild it.
  * @generated
  * @phutil-library-version 2
  */
 
 phutil_register_library_map(array(
   '__library_version__' => 2,
   'class' =>
   array(
     'ArcanistAliasWorkflow' => 'workflow/ArcanistAliasWorkflow.php',
     'ArcanistAmendWorkflow' => 'workflow/ArcanistAmendWorkflow.php',
     'ArcanistAnoidWorkflow' => 'workflow/ArcanistAnoidWorkflow.php',
     'ArcanistArcanistLinterTestCase' => 'lint/linter/__tests__/ArcanistArcanistLinterTestCase.php',
     'ArcanistBackoutWorkflow' => 'workflow/ArcanistBackoutWorkflow.php',
     'ArcanistBaseCommitParser' => 'parser/ArcanistBaseCommitParser.php',
     'ArcanistBaseCommitParserTestCase' => 'parser/__tests__/ArcanistBaseCommitParserTestCase.php',
     'ArcanistBaseTestResultParser' => 'unit/engine/ArcanistBaseTestResultParser.php',
     'ArcanistBaseUnitTestEngine' => 'unit/engine/ArcanistBaseUnitTestEngine.php',
     'ArcanistBaseWorkflow' => 'workflow/ArcanistBaseWorkflow.php',
     'ArcanistBaseXHPASTLinter' => 'lint/linter/ArcanistBaseXHPASTLinter.php',
     'ArcanistBookmarkWorkflow' => 'workflow/ArcanistBookmarkWorkflow.php',
     'ArcanistBranchWorkflow' => 'workflow/ArcanistBranchWorkflow.php',
     'ArcanistBritishTestCase' => 'configuration/__tests__/ArcanistBritishTestCase.php',
     'ArcanistBrowseWorkflow' => 'workflow/ArcanistBrowseWorkflow.php',
     'ArcanistBundle' => 'parser/ArcanistBundle.php',
     'ArcanistBundleTestCase' => 'parser/__tests__/ArcanistBundleTestCase.php',
     'ArcanistCSSLintLinter' => 'lint/linter/ArcanistCSSLintLinter.php',
     'ArcanistCSSLintLinterTestCase' => 'lint/linter/__tests__/ArcanistCSSLintLinterTestCase.php',
     'ArcanistCSharpLinter' => 'lint/linter/ArcanistCSharpLinter.php',
     'ArcanistCallConduitWorkflow' => 'workflow/ArcanistCallConduitWorkflow.php',
     'ArcanistCapabilityNotSupportedException' => 'workflow/exception/ArcanistCapabilityNotSupportedException.php',
     'ArcanistChooseInvalidRevisionException' => 'exception/ArcanistChooseInvalidRevisionException.php',
     'ArcanistChooseNoRevisionsException' => 'exception/ArcanistChooseNoRevisionsException.php',
     'ArcanistCloseRevisionWorkflow' => 'workflow/ArcanistCloseRevisionWorkflow.php',
     'ArcanistCloseWorkflow' => 'workflow/ArcanistCloseWorkflow.php',
     'ArcanistCommentRemover' => 'parser/ArcanistCommentRemover.php',
     'ArcanistCommentRemoverTestCase' => 'parser/__tests__/ArcanistCommentRemoverTestCase.php',
     'ArcanistCommitWorkflow' => 'workflow/ArcanistCommitWorkflow.php',
     'ArcanistConduitLinter' => 'lint/linter/ArcanistConduitLinter.php',
     'ArcanistConfiguration' => 'configuration/ArcanistConfiguration.php',
     'ArcanistConfigurationDrivenLintEngine' => 'lint/engine/ArcanistConfigurationDrivenLintEngine.php',
     'ArcanistConfigurationManager' => 'configuration/ArcanistConfigurationManager.php',
     'ArcanistCoverWorkflow' => 'workflow/ArcanistCoverWorkflow.php',
     'ArcanistCppcheckLinter' => 'lint/linter/ArcanistCppcheckLinter.php',
     'ArcanistCpplintLinter' => 'lint/linter/ArcanistCpplintLinter.php',
     'ArcanistCpplintLinterTestCase' => 'lint/linter/__tests__/ArcanistCpplintLinterTestCase.php',
     'ArcanistDiffChange' => 'parser/diff/ArcanistDiffChange.php',
     'ArcanistDiffChangeType' => 'parser/diff/ArcanistDiffChangeType.php',
     'ArcanistDiffHunk' => 'parser/diff/ArcanistDiffHunk.php',
     'ArcanistDiffParser' => 'parser/ArcanistDiffParser.php',
     'ArcanistDiffParserTestCase' => 'parser/__tests__/ArcanistDiffParserTestCase.php',
     'ArcanistDiffUtils' => 'difference/ArcanistDiffUtils.php',
     'ArcanistDiffUtilsTestCase' => 'difference/__tests__/ArcanistDiffUtilsTestCase.php',
     'ArcanistDiffWorkflow' => 'workflow/ArcanistDiffWorkflow.php',
     'ArcanistDifferentialCommitMessage' => 'differential/ArcanistDifferentialCommitMessage.php',
     'ArcanistDifferentialCommitMessageParserException' => 'differential/ArcanistDifferentialCommitMessageParserException.php',
     'ArcanistDifferentialDependencyGraph' => 'differential/ArcanistDifferentialDependencyGraph.php',
     'ArcanistDifferentialRevisionHash' => 'differential/constants/ArcanistDifferentialRevisionHash.php',
     'ArcanistDifferentialRevisionStatus' => 'differential/constants/ArcanistDifferentialRevisionStatus.php',
     'ArcanistDownloadWorkflow' => 'workflow/ArcanistDownloadWorkflow.php',
     'ArcanistEventType' => 'events/constant/ArcanistEventType.php',
     'ArcanistExportWorkflow' => 'workflow/ArcanistExportWorkflow.php',
     'ArcanistExternalLinter' => 'lint/linter/ArcanistExternalLinter.php',
     'ArcanistFeatureWorkflow' => 'workflow/ArcanistFeatureWorkflow.php',
     'ArcanistFilenameLinter' => 'lint/linter/ArcanistFilenameLinter.php',
     'ArcanistFlagWorkflow' => 'workflow/ArcanistFlagWorkflow.php',
     'ArcanistFlake8Linter' => 'lint/linter/ArcanistFlake8Linter.php',
     'ArcanistFlake8LinterTestCase' => 'lint/linter/__tests__/ArcanistFlake8LinterTestCase.php',
     'ArcanistFutureLinter' => 'lint/linter/ArcanistFutureLinter.php',
     'ArcanistGeneratedLinter' => 'lint/linter/ArcanistGeneratedLinter.php',
     'ArcanistGetConfigWorkflow' => 'workflow/ArcanistGetConfigWorkflow.php',
     'ArcanistGitAPI' => 'repository/api/ArcanistGitAPI.php',
     'ArcanistGitHookPreReceiveWorkflow' => 'workflow/ArcanistGitHookPreReceiveWorkflow.php',
     'ArcanistHelpWorkflow' => 'workflow/ArcanistHelpWorkflow.php',
     'ArcanistHgClientChannel' => 'hgdaemon/ArcanistHgClientChannel.php',
     'ArcanistHgProxyClient' => 'hgdaemon/ArcanistHgProxyClient.php',
     'ArcanistHgProxyServer' => 'hgdaemon/ArcanistHgProxyServer.php',
     'ArcanistHgServerChannel' => 'hgdaemon/ArcanistHgServerChannel.php',
     'ArcanistHookAPI' => 'repository/hookapi/ArcanistHookAPI.php',
     'ArcanistInlinesWorkflow' => 'workflow/ArcanistInlinesWorkflow.php',
     'ArcanistInstallCertificateWorkflow' => 'workflow/ArcanistInstallCertificateWorkflow.php',
     'ArcanistJSHintLinter' => 'lint/linter/ArcanistJSHintLinter.php',
     'ArcanistJSHintLinterTestCase' => 'lint/linter/__tests__/ArcanistJSHintLinterTestCase.php',
+    'ArcanistJSONLintLinter' => 'lint/linter/ArcanistJSONLintLinter.php',
+    'ArcanistJSONLintLinterTestCase' => 'lint/linter/__tests__/ArcanistJSONLintLinterTestCase.php',
     'ArcanistLandWorkflow' => 'workflow/ArcanistLandWorkflow.php',
     'ArcanistLiberateWorkflow' => 'workflow/ArcanistLiberateWorkflow.php',
     'ArcanistLintConsoleRenderer' => 'lint/renderer/ArcanistLintConsoleRenderer.php',
     'ArcanistLintEngine' => 'lint/engine/ArcanistLintEngine.php',
     'ArcanistLintJSONRenderer' => 'lint/renderer/ArcanistLintJSONRenderer.php',
     'ArcanistLintLikeCompilerRenderer' => 'lint/renderer/ArcanistLintLikeCompilerRenderer.php',
     'ArcanistLintMessage' => 'lint/ArcanistLintMessage.php',
     'ArcanistLintNoneRenderer' => 'lint/renderer/ArcanistLintNoneRenderer.php',
     'ArcanistLintPatcher' => 'lint/ArcanistLintPatcher.php',
     'ArcanistLintRenderer' => 'lint/renderer/ArcanistLintRenderer.php',
     'ArcanistLintResult' => 'lint/ArcanistLintResult.php',
     'ArcanistLintSeverity' => 'lint/ArcanistLintSeverity.php',
     'ArcanistLintSummaryRenderer' => 'lint/renderer/ArcanistLintSummaryRenderer.php',
     'ArcanistLintWorkflow' => 'workflow/ArcanistLintWorkflow.php',
     'ArcanistLinter' => 'lint/linter/ArcanistLinter.php',
     'ArcanistLinterTestCase' => 'lint/linter/__tests__/ArcanistLinterTestCase.php',
     'ArcanistListWorkflow' => 'workflow/ArcanistListWorkflow.php',
     'ArcanistMarkCommittedWorkflow' => 'workflow/ArcanistMarkCommittedWorkflow.php',
     'ArcanistMercurialAPI' => 'repository/api/ArcanistMercurialAPI.php',
     'ArcanistMercurialParser' => 'repository/parser/ArcanistMercurialParser.php',
     'ArcanistMercurialParserTestCase' => 'repository/parser/__tests__/ArcanistMercurialParserTestCase.php',
     'ArcanistMergeConflictLinter' => 'lint/linter/ArcanistMergeConflictLinter.php',
     'ArcanistNoEffectException' => 'exception/usage/ArcanistNoEffectException.php',
     'ArcanistNoEngineException' => 'exception/usage/ArcanistNoEngineException.php',
     'ArcanistNoLintLinter' => 'lint/linter/ArcanistNoLintLinter.php',
     'ArcanistNoLintTestCaseMisnamed' => 'lint/linter/__tests__/ArcanistNoLintTestCase.php',
     'ArcanistPEP8Linter' => 'lint/linter/ArcanistPEP8Linter.php',
     'ArcanistPEP8LinterTestCase' => 'lint/linter/__tests__/ArcanistPEP8LinterTestCase.php',
     'ArcanistPHPCSLinterTestCase' => 'lint/linter/__tests__/ArcanistPHPCSLinterTestCase.php',
     'ArcanistPasteWorkflow' => 'workflow/ArcanistPasteWorkflow.php',
     'ArcanistPatchWorkflow' => 'workflow/ArcanistPatchWorkflow.php',
     'ArcanistPhpcsLinter' => 'lint/linter/ArcanistPhpcsLinter.php',
     'ArcanistPhutilLibraryLinter' => 'lint/linter/ArcanistPhutilLibraryLinter.php',
     'ArcanistPhutilTestCase' => 'unit/engine/phutil/ArcanistPhutilTestCase.php',
     'ArcanistPhutilTestCaseTestCase' => 'unit/engine/phutil/testcase/ArcanistPhutilTestCaseTestCase.php',
     'ArcanistPhutilTestSkippedException' => 'unit/engine/phutil/testcase/ArcanistPhutilTestSkippedException.php',
     'ArcanistPhutilTestTerminatedException' => 'unit/engine/phutil/testcase/ArcanistPhutilTestTerminatedException.php',
     'ArcanistPhutilXHPASTLinter' => 'lint/linter/ArcanistPhutilXHPASTLinter.php',
     'ArcanistPhutilXHPASTLinterTestCase' => 'lint/linter/__tests__/ArcanistPhutilXHPASTLinterTestCase.php',
     'ArcanistPyFlakesLinter' => 'lint/linter/ArcanistPyFlakesLinter.php',
     'ArcanistPyFlakesLinterTestCase' => 'lint/linter/__tests__/ArcanistPyFlakesLinterTestCase.php',
     'ArcanistPyLintLinter' => 'lint/linter/ArcanistPyLintLinter.php',
     'ArcanistRepositoryAPI' => 'repository/api/ArcanistRepositoryAPI.php',
     'ArcanistRepositoryAPIMiscTestCase' => 'repository/api/__tests__/ArcanistRepositoryAPIMiscTestCase.php',
     'ArcanistRepositoryAPIStateTestCase' => 'repository/api/__tests__/ArcanistRepositoryAPIStateTestCase.php',
     'ArcanistRevertWorkflow' => 'workflow/ArcanistRevertWorkflow.php',
     'ArcanistRubyLinter' => 'lint/linter/ArcanistRubyLinter.php',
     'ArcanistRubyLinterTestCase' => 'lint/linter/__tests__/ArcanistRubyLinterTestCase.php',
     'ArcanistScalaSBTLinter' => 'lint/linter/ArcanistScalaSBTLinter.php',
     'ArcanistScriptAndRegexLinter' => 'lint/linter/ArcanistScriptAndRegexLinter.php',
     'ArcanistSetConfigWorkflow' => 'workflow/ArcanistSetConfigWorkflow.php',
     'ArcanistSettings' => 'configuration/ArcanistSettings.php',
     'ArcanistShellCompleteWorkflow' => 'workflow/ArcanistShellCompleteWorkflow.php',
     'ArcanistSingleLintEngine' => 'lint/engine/ArcanistSingleLintEngine.php',
     'ArcanistSpellingDefaultData' => 'lint/linter/spelling/ArcanistSpellingDefaultData.php',
     'ArcanistSpellingLinter' => 'lint/linter/ArcanistSpellingLinter.php',
     'ArcanistSpellingLinterTestCase' => 'lint/linter/__tests__/ArcanistSpellingLinterTestCase.php',
     'ArcanistSubversionAPI' => 'repository/api/ArcanistSubversionAPI.php',
     'ArcanistSubversionHookAPI' => 'repository/hookapi/ArcanistSubversionHookAPI.php',
     'ArcanistSvnHookPreCommitWorkflow' => 'workflow/ArcanistSvnHookPreCommitWorkflow.php',
     'ArcanistTasksWorkflow' => 'workflow/ArcanistTasksWorkflow.php',
     'ArcanistTestCase' => 'infrastructure/testing/ArcanistTestCase.php',
     'ArcanistTextLinter' => 'lint/linter/ArcanistTextLinter.php',
     'ArcanistTextLinterTestCase' => 'lint/linter/__tests__/ArcanistTextLinterTestCase.php',
     'ArcanistTodoWorkflow' => 'workflow/ArcanistTodoWorkflow.php',
     'ArcanistUncommittedChangesException' => 'exception/usage/ArcanistUncommittedChangesException.php',
     'ArcanistUnitConsoleRenderer' => 'unit/renderer/ArcanistUnitConsoleRenderer.php',
     'ArcanistUnitRenderer' => 'unit/renderer/ArcanistUnitRenderer.php',
     'ArcanistUnitTestResult' => 'unit/ArcanistUnitTestResult.php',
     'ArcanistUnitWorkflow' => 'workflow/ArcanistUnitWorkflow.php',
     'ArcanistUpgradeWorkflow' => 'workflow/ArcanistUpgradeWorkflow.php',
     'ArcanistUploadWorkflow' => 'workflow/ArcanistUploadWorkflow.php',
     'ArcanistUsageException' => 'exception/ArcanistUsageException.php',
     'ArcanistUserAbortException' => 'exception/usage/ArcanistUserAbortException.php',
     'ArcanistWhichWorkflow' => 'workflow/ArcanistWhichWorkflow.php',
     'ArcanistWorkingCopyIdentity' => 'workingcopyidentity/ArcanistWorkingCopyIdentity.php',
     'ArcanistXHPASTLintNamingHook' => 'lint/linter/xhpast/ArcanistXHPASTLintNamingHook.php',
     'ArcanistXHPASTLintNamingHookTestCase' => 'lint/linter/xhpast/__tests__/ArcanistXHPASTLintNamingHookTestCase.php',
     'ArcanistXHPASTLintSwitchHook' => 'lint/linter/xhpast/ArcanistXHPASTLintSwitchHook.php',
     'ArcanistXHPASTLintTestSwitchHook' => 'lint/linter/__tests__/ArcanistXHPASTLintTestSwitchHook.php',
     'ArcanistXHPASTLinter' => 'lint/linter/ArcanistXHPASTLinter.php',
     'ArcanistXHPASTLinterTestCase' => 'lint/linter/__tests__/ArcanistXHPASTLinterTestCase.php',
     'ArcanistXUnitTestResultParser' => 'unit/engine/ArcanistXUnitTestResultParser.php',
     'CSharpToolsTestEngine' => 'unit/engine/CSharpToolsTestEngine.php',
     'ComprehensiveLintEngine' => 'lint/engine/ComprehensiveLintEngine.php',
     'ExampleLintEngine' => 'lint/engine/ExampleLintEngine.php',
     'GoTestResultParser' => 'unit/engine/GoTestResultParser.php',
     'GoTestResultParserTestCase' => 'unit/engine/__tests__/GoTestResultParserTestCase.php',
     'NoseTestEngine' => 'unit/engine/NoseTestEngine.php',
     'PHPUnitTestEngineTestCase' => 'unit/engine/__tests__/PHPUnitTestEngineTestCase.php',
     'PhpunitResultParser' => 'unit/engine/PhpunitResultParser.php',
     'PhpunitTestEngine' => 'unit/engine/PhpunitTestEngine.php',
     'PhutilLintEngine' => 'lint/engine/PhutilLintEngine.php',
     'PhutilUnitTestEngine' => 'unit/engine/PhutilUnitTestEngine.php',
     'PhutilUnitTestEngineTestCase' => 'unit/engine/__tests__/PhutilUnitTestEngineTestCase.php',
     'PytestTestEngine' => 'unit/engine/PytestTestEngine.php',
     'UnitTestableArcanistLintEngine' => 'lint/engine/UnitTestableArcanistLintEngine.php',
     'XUnitTestEngine' => 'unit/engine/XUnitTestEngine.php',
     'XUnitTestResultParserTestCase' => 'unit/engine/__tests__/XUnitTestResultParserTestCase.php',
   ),
   'function' =>
   array(
   ),
   'xmap' =>
   array(
     'ArcanistAliasWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistAmendWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistAnoidWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistArcanistLinterTestCase' => 'ArcanistLinterTestCase',
     'ArcanistBackoutWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistBaseCommitParserTestCase' => 'ArcanistTestCase',
     'ArcanistBaseWorkflow' => 'Phobject',
     'ArcanistBaseXHPASTLinter' => 'ArcanistFutureLinter',
     'ArcanistBookmarkWorkflow' => 'ArcanistFeatureWorkflow',
     'ArcanistBranchWorkflow' => 'ArcanistFeatureWorkflow',
     'ArcanistBritishTestCase' => 'ArcanistTestCase',
     'ArcanistBrowseWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistBundleTestCase' => 'ArcanistTestCase',
     'ArcanistCSSLintLinter' => 'ArcanistExternalLinter',
     'ArcanistCSSLintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistCSharpLinter' => 'ArcanistLinter',
     'ArcanistCallConduitWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistCapabilityNotSupportedException' => 'Exception',
     'ArcanistChooseInvalidRevisionException' => 'Exception',
     'ArcanistChooseNoRevisionsException' => 'Exception',
     'ArcanistCloseRevisionWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistCloseWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistCommentRemoverTestCase' => 'ArcanistTestCase',
     'ArcanistCommitWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistConduitLinter' => 'ArcanistLinter',
     'ArcanistConfigurationDrivenLintEngine' => 'ArcanistLintEngine',
     'ArcanistCoverWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistCppcheckLinter' => 'ArcanistLinter',
     'ArcanistCpplintLinter' => 'ArcanistLinter',
     'ArcanistCpplintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistDiffParserTestCase' => 'ArcanistTestCase',
     'ArcanistDiffUtilsTestCase' => 'ArcanistTestCase',
     'ArcanistDiffWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistDifferentialCommitMessageParserException' => 'Exception',
     'ArcanistDifferentialDependencyGraph' => 'AbstractDirectedGraph',
     'ArcanistDownloadWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistEventType' => 'PhutilEventType',
     'ArcanistExportWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistExternalLinter' => 'ArcanistFutureLinter',
     'ArcanistFeatureWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistFilenameLinter' => 'ArcanistLinter',
     'ArcanistFlagWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistFlake8Linter' => 'ArcanistExternalLinter',
     'ArcanistFlake8LinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistFutureLinter' => 'ArcanistLinter',
     'ArcanistGeneratedLinter' => 'ArcanistLinter',
     'ArcanistGetConfigWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistGitAPI' => 'ArcanistRepositoryAPI',
     'ArcanistGitHookPreReceiveWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistHelpWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistHgClientChannel' => 'PhutilProtocolChannel',
     'ArcanistHgServerChannel' => 'PhutilProtocolChannel',
     'ArcanistInlinesWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistInstallCertificateWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistJSHintLinter' => 'ArcanistExternalLinter',
     'ArcanistJSHintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
+    'ArcanistJSONLintLinter' => 'ArcanistExternalLinter',
+    'ArcanistJSONLintLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistLandWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistLiberateWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistLintConsoleRenderer' => 'ArcanistLintRenderer',
     'ArcanistLintJSONRenderer' => 'ArcanistLintRenderer',
     'ArcanistLintLikeCompilerRenderer' => 'ArcanistLintRenderer',
     'ArcanistLintNoneRenderer' => 'ArcanistLintRenderer',
     'ArcanistLintSummaryRenderer' => 'ArcanistLintRenderer',
     'ArcanistLintWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistLinterTestCase' => 'ArcanistPhutilTestCase',
     'ArcanistListWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistMarkCommittedWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistMercurialAPI' => 'ArcanistRepositoryAPI',
     'ArcanistMercurialParserTestCase' => 'ArcanistTestCase',
     'ArcanistMergeConflictLinter' => 'ArcanistLinter',
     'ArcanistNoEffectException' => 'ArcanistUsageException',
     'ArcanistNoEngineException' => 'ArcanistUsageException',
     'ArcanistNoLintLinter' => 'ArcanistLinter',
     'ArcanistNoLintTestCaseMisnamed' => 'ArcanistLinterTestCase',
     'ArcanistPEP8Linter' => 'ArcanistExternalLinter',
     'ArcanistPEP8LinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistPHPCSLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistPasteWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistPatchWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistPhpcsLinter' => 'ArcanistExternalLinter',
     'ArcanistPhutilLibraryLinter' => 'ArcanistLinter',
     'ArcanistPhutilTestCaseTestCase' => 'ArcanistPhutilTestCase',
     'ArcanistPhutilTestSkippedException' => 'Exception',
     'ArcanistPhutilTestTerminatedException' => 'Exception',
     'ArcanistPhutilXHPASTLinter' => 'ArcanistBaseXHPASTLinter',
     'ArcanistPhutilXHPASTLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistPyFlakesLinter' => 'ArcanistExternalLinter',
     'ArcanistPyFlakesLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistPyLintLinter' => 'ArcanistLinter',
     'ArcanistRepositoryAPIMiscTestCase' => 'ArcanistTestCase',
     'ArcanistRepositoryAPIStateTestCase' => 'ArcanistTestCase',
     'ArcanistRevertWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistRubyLinter' => 'ArcanistExternalLinter',
     'ArcanistRubyLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistScalaSBTLinter' => 'ArcanistLinter',
     'ArcanistScriptAndRegexLinter' => 'ArcanistLinter',
     'ArcanistSetConfigWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistShellCompleteWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistSingleLintEngine' => 'ArcanistLintEngine',
     'ArcanistSpellingLinter' => 'ArcanistLinter',
     'ArcanistSpellingLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistSubversionAPI' => 'ArcanistRepositoryAPI',
     'ArcanistSubversionHookAPI' => 'ArcanistHookAPI',
     'ArcanistSvnHookPreCommitWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistTasksWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistTestCase' => 'ArcanistPhutilTestCase',
     'ArcanistTextLinter' => 'ArcanistLinter',
     'ArcanistTextLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'ArcanistTodoWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistUncommittedChangesException' => 'ArcanistUsageException',
     'ArcanistUnitConsoleRenderer' => 'ArcanistUnitRenderer',
     'ArcanistUnitWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistUpgradeWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistUploadWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistUsageException' => 'Exception',
     'ArcanistUserAbortException' => 'ArcanistUsageException',
     'ArcanistWhichWorkflow' => 'ArcanistBaseWorkflow',
     'ArcanistXHPASTLintNamingHookTestCase' => 'ArcanistTestCase',
     'ArcanistXHPASTLintTestSwitchHook' => 'ArcanistXHPASTLintSwitchHook',
     'ArcanistXHPASTLinter' => 'ArcanistBaseXHPASTLinter',
     'ArcanistXHPASTLinterTestCase' => 'ArcanistArcanistLinterTestCase',
     'CSharpToolsTestEngine' => 'XUnitTestEngine',
     'ComprehensiveLintEngine' => 'ArcanistLintEngine',
     'ExampleLintEngine' => 'ArcanistLintEngine',
     'GoTestResultParser' => 'ArcanistBaseTestResultParser',
     'GoTestResultParserTestCase' => 'ArcanistTestCase',
     'NoseTestEngine' => 'ArcanistBaseUnitTestEngine',
     'PHPUnitTestEngineTestCase' => 'ArcanistTestCase',
     'PhpunitResultParser' => 'ArcanistBaseTestResultParser',
     'PhpunitTestEngine' => 'ArcanistBaseUnitTestEngine',
     'PhutilLintEngine' => 'ArcanistLintEngine',
     'PhutilUnitTestEngine' => 'ArcanistBaseUnitTestEngine',
     'PhutilUnitTestEngineTestCase' => 'ArcanistTestCase',
     'PytestTestEngine' => 'ArcanistBaseUnitTestEngine',
     'UnitTestableArcanistLintEngine' => 'ArcanistLintEngine',
     'XUnitTestEngine' => 'ArcanistBaseUnitTestEngine',
     'XUnitTestResultParserTestCase' => 'ArcanistTestCase',
   ),
 ));
diff --git a/src/lint/linter/ArcanistJSONLintLinter.php b/src/lint/linter/ArcanistJSONLintLinter.php
new file mode 100644
index 00000000..60276e0c
--- /dev/null
+++ b/src/lint/linter/ArcanistJSONLintLinter.php
@@ -0,0 +1,83 @@
+<?php
+
+/**
+ * A linter for JSON files.
+ */
+final class ArcanistJSONLintLinter extends ArcanistExternalLinter {
+  public function getLinterName() {
+    return 'JSON';
+  }
+
+  public function getLinterConfigurationName() {
+    return 'jsonlint';
+  }
+
+  public function getDefaultBinary() {
+    return 'jsonlint';
+  }
+
+  public function getVersion() {
+    // NOTE: `jsonlint --version` returns a non-zero exit status.
+    list($err, $stdout) = exec_manual(
+      '%C --version',
+      $this->getExecutableCommand());
+
+    $matches = array();
+    if (preg_match('/^(?P<version>\d+\.\d+\.\d+)$/', $stdout, $matches)) {
+      $version = $matches['version'];
+    } else {
+      return false;
+    }
+  }
+
+  public function getInstallInstructions() {
+    return pht('Install jsonlint using `npm install -g jsonlint`.');
+  }
+
+  public function shouldExpectCommandErrors() {
+    return true;
+  }
+
+  public function supportsReadDataFromStdin() {
+    return true;
+  }
+
+  protected function getMandatoryFlags() {
+    return array(
+      '--compact',
+    );
+  }
+
+  protected function parseLinterOutput($path, $err, $stdout, $stderr) {
+    $lines = phutil_split_lines($stderr, false);
+
+    $messages = array();
+    foreach ($lines as $line) {
+      $matches = null;
+      $match = preg_match(
+        '/^(?:(?<path>.+): )?' .
+        'line (?<line>\d+), col (?<column>\d+), ' .
+        '(?<description>.*)$/',
+        $line,
+        $matches);
+
+      if ($match) {
+        $message = new ArcanistLintMessage();
+        $message->setPath($path);
+        $message->setLine($matches['line']);
+        $message->setChar($matches['column']);
+        $message->setCode($this->getLinterName());
+        $message->setDescription(ucfirst($matches['description']));
+        $message->setSeverity(ArcanistLintSeverity::SEVERITY_ERROR);
+
+        $messages[] = $message;
+      }
+    }
+
+    if ($err && !$messages) {
+      return false;
+    }
+
+    return $messages;
+  }
+}
diff --git a/src/lint/linter/__tests__/ArcanistJSONLintLinterTestCase.php b/src/lint/linter/__tests__/ArcanistJSONLintLinterTestCase.php
new file mode 100644
index 00000000..6589bd8d
--- /dev/null
+++ b/src/lint/linter/__tests__/ArcanistJSONLintLinterTestCase.php
@@ -0,0 +1,12 @@
+<?php
+
+final class ArcanistJSONLintLinterTestCase
+  extends ArcanistArcanistLinterTestCase {
+
+  public function testJSONLintLinter() {
+    $this->executeTestsInDirectory(
+      dirname(__FILE__).'/jsonlint/',
+      new ArcanistJSONLintLinter());
+  }
+
+}
diff --git a/src/lint/linter/__tests__/jsonlint/1.lint-test b/src/lint/linter/__tests__/jsonlint/1.lint-test
new file mode 100644
index 00000000..2ddd135c
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/1.lint-test
@@ -0,0 +1,59 @@
+[
+    "JSON Test Pattern pass1",
+    {"object with 1 member":["array with 1 element"]},
+    {},
+    [],
+    -42,
+    true,
+    false,
+    null,
+    {
+        "integer": 1234567890,
+        "real": -9876.543210,
+        "e": 0.123456789e-12,
+        "E": 1.234567890E+34,
+        "":  23456789012E66,
+        "zero": 0,
+        "one": 1,
+        "space": " ",
+        "quote": "\"",
+        "backslash": "\\",
+        "controls": "\b\f\n\r\t",
+        "slash": "/ & \/",
+        "alpha": "abcdefghijklmnopqrstuvwyz",
+        "ALPHA": "ABCDEFGHIJKLMNOPQRSTUVWYZ",
+        "digit": "0123456789",
+        "0123456789": "digit",
+        "special": "`1~!@#$%^&*()_+-={':[,]}|;.</>?",
+        "hex": "\u0123\u4567\u89AB\uCDEF\uabcd\uef4A",
+        "true": true,
+        "false": false,
+        "null": null,
+        "array":[  ],
+        "object":{  },
+        "address": "50 St. James Street",
+        "url": "http://www.JSON.org/",
+        "comment": "// /* <!-- --",
+        "# -- --> */": " ",
+        " s p a c e d " :[1,2 , 3
+
+,
+
+4 , 5        ,          6           ,7        ],"compact":[1,2,3,4,5,6,7],
+        "jsontext": "{\"object with 1 member\":[\"array with 1 element\"]}",
+        "quotes": "&#34; \u0022 %22 0x22 034 &#x22;",
+        "\/\\\"\uCAFE\uBABE\uAB98\uFCDE\ubcda\uef4A\b\f\n\r\t`1~!@#$%^&*()_+-=[]{}|;:',./<>?"
+: "A key can be any string"
+    },
+    0.5 ,98.6
+,
+99.44
+,
+
+1066,
+1e1,
+0.1e1,
+1e-1,
+1e00,2e+00,2e-00
+,"rosebud"]
+~~~~~~~~~~
diff --git a/src/lint/linter/__tests__/jsonlint/10.lint-test b/src/lint/linter/__tests__/jsonlint/10.lint-test
new file mode 100644
index 00000000..c8542e71
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/10.lint-test
@@ -0,0 +1,3 @@
+{"Extra value after close": true} "misplaced quoted value"
+~~~~~~~~~~
+error:1:33
diff --git a/src/lint/linter/__tests__/jsonlint/11.lint-test b/src/lint/linter/__tests__/jsonlint/11.lint-test
new file mode 100644
index 00000000..f6b58925
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/11.lint-test
@@ -0,0 +1,3 @@
+{"Illegal expression": 1 + 2}
+~~~~~~~~~~
+error:1:24
diff --git a/src/lint/linter/__tests__/jsonlint/12.lint-test b/src/lint/linter/__tests__/jsonlint/12.lint-test
new file mode 100644
index 00000000..7a34e2d4
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/12.lint-test
@@ -0,0 +1,3 @@
+{"Illegal invocation": alert()}
+~~~~~~~~~~
+error:1:22
diff --git a/src/lint/linter/__tests__/jsonlint/13.lint-test b/src/lint/linter/__tests__/jsonlint/13.lint-test
new file mode 100644
index 00000000..d04fb848
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/13.lint-test
@@ -0,0 +1,3 @@
+{"Numbers cannot have leading zeroes": 013}
+~~~~~~~~~~
+error:1:38
diff --git a/src/lint/linter/__tests__/jsonlint/14.lint-test b/src/lint/linter/__tests__/jsonlint/14.lint-test
new file mode 100644
index 00000000..37165bb4
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/14.lint-test
@@ -0,0 +1,3 @@
+{"Numbers cannot be hex": 0x14}
+~~~~~~~~~~
+error:1:25
diff --git a/src/lint/linter/__tests__/jsonlint/15.lint-test b/src/lint/linter/__tests__/jsonlint/15.lint-test
new file mode 100644
index 00000000..eeaa5c31
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/15.lint-test
@@ -0,0 +1,3 @@
+["Illegal backslash escape: \x15"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/16.lint-test b/src/lint/linter/__tests__/jsonlint/16.lint-test
new file mode 100644
index 00000000..c69cf296
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/16.lint-test
@@ -0,0 +1,3 @@
+[\naked]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/17.lint-test b/src/lint/linter/__tests__/jsonlint/17.lint-test
new file mode 100644
index 00000000..51157896
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/17.lint-test
@@ -0,0 +1,3 @@
+["Illegal backslash escape: \017"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/19.lint-test b/src/lint/linter/__tests__/jsonlint/19.lint-test
new file mode 100644
index 00000000..23387dad
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/19.lint-test
@@ -0,0 +1,3 @@
+{"Missing colon" null}
+~~~~~~~~~~
+error:1:16
diff --git a/src/lint/linter/__tests__/jsonlint/2.lint-test b/src/lint/linter/__tests__/jsonlint/2.lint-test
new file mode 100644
index 00000000..cfdc831f
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/2.lint-test
@@ -0,0 +1,2 @@
+[[[[[[[[[[[[[[[[[[["Not too deep"]]]]]]]]]]]]]]]]]]]
+~~~~~~~~~~
diff --git a/src/lint/linter/__tests__/jsonlint/20.lint-test b/src/lint/linter/__tests__/jsonlint/20.lint-test
new file mode 100644
index 00000000..df13ef24
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/20.lint-test
@@ -0,0 +1,3 @@
+{"Double colon":: null}
+~~~~~~~~~~
+error:1:16
diff --git a/src/lint/linter/__tests__/jsonlint/21.lint-test b/src/lint/linter/__tests__/jsonlint/21.lint-test
new file mode 100644
index 00000000..4b1a0e9d
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/21.lint-test
@@ -0,0 +1,3 @@
+{"Comma instead of colon", null}
+~~~~~~~~~~
+error:1:25
diff --git a/src/lint/linter/__tests__/jsonlint/22.lint-test b/src/lint/linter/__tests__/jsonlint/22.lint-test
new file mode 100644
index 00000000..ccbadf97
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/22.lint-test
@@ -0,0 +1,3 @@
+["Colon instead of comma": false]
+~~~~~~~~~~
+error:1:25
diff --git a/src/lint/linter/__tests__/jsonlint/23.lint-test b/src/lint/linter/__tests__/jsonlint/23.lint-test
new file mode 100644
index 00000000..394c5b97
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/23.lint-test
@@ -0,0 +1,3 @@
+["Bad value", truth]
+~~~~~~~~~~
+error:1:13
diff --git a/src/lint/linter/__tests__/jsonlint/24.lint-test b/src/lint/linter/__tests__/jsonlint/24.lint-test
new file mode 100644
index 00000000..46af63e5
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/24.lint-test
@@ -0,0 +1,3 @@
+['single quote']
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/25.lint-test b/src/lint/linter/__tests__/jsonlint/25.lint-test
new file mode 100644
index 00000000..b2cb8052
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/25.lint-test
@@ -0,0 +1,3 @@
+["	tab	character	in	string	"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/26.lint-test b/src/lint/linter/__tests__/jsonlint/26.lint-test
new file mode 100644
index 00000000..d0715ddd
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/26.lint-test
@@ -0,0 +1,3 @@
+["tab\	character\	in\	string\	"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/27.lint-test b/src/lint/linter/__tests__/jsonlint/27.lint-test
new file mode 100644
index 00000000..c47e4d1c
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/27.lint-test
@@ -0,0 +1,4 @@
+["line
+break"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/28.lint-test b/src/lint/linter/__tests__/jsonlint/28.lint-test
new file mode 100644
index 00000000..1c523475
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/28.lint-test
@@ -0,0 +1,4 @@
+["line\
+break"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/29.lint-test b/src/lint/linter/__tests__/jsonlint/29.lint-test
new file mode 100644
index 00000000..e5024695
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/29.lint-test
@@ -0,0 +1,3 @@
+[0e]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/3.lint-test b/src/lint/linter/__tests__/jsonlint/3.lint-test
new file mode 100644
index 00000000..3c303e32
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/3.lint-test
@@ -0,0 +1,7 @@
+{
+    "JSON Test Pattern pass3": {
+        "The outermost value": "must be an object or array.",
+        "In this test": "It is an object."
+    }
+}
+~~~~~~~~~~
diff --git a/src/lint/linter/__tests__/jsonlint/30.lint-test b/src/lint/linter/__tests__/jsonlint/30.lint-test
new file mode 100644
index 00000000..ec82b153
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/30.lint-test
@@ -0,0 +1,3 @@
+[0e+]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/31.lint-test b/src/lint/linter/__tests__/jsonlint/31.lint-test
new file mode 100644
index 00000000..207067fe
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/31.lint-test
@@ -0,0 +1,3 @@
+[0e+-1]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/32.lint-test b/src/lint/linter/__tests__/jsonlint/32.lint-test
new file mode 100644
index 00000000..0b246b06
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/32.lint-test
@@ -0,0 +1,3 @@
+{"Comma instead if closing brace": true,
+~~~~~~~~~~
+error:1:40
diff --git a/src/lint/linter/__tests__/jsonlint/33.lint-test b/src/lint/linter/__tests__/jsonlint/33.lint-test
new file mode 100644
index 00000000..9b84b26d
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/33.lint-test
@@ -0,0 +1,3 @@
+["mismatch"}
+~~~~~~~~~~
+error:1:11
diff --git a/src/lint/linter/__tests__/jsonlint/34.lint-test b/src/lint/linter/__tests__/jsonlint/34.lint-test
new file mode 100644
index 00000000..d05858f1
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/34.lint-test
@@ -0,0 +1,3 @@
+{"extra brace": 1}}
+~~~~~~~~~~
+error:1:18
diff --git a/src/lint/linter/__tests__/jsonlint/4.lint-test b/src/lint/linter/__tests__/jsonlint/4.lint-test
new file mode 100644
index 00000000..1c242948
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/4.lint-test
@@ -0,0 +1,3 @@
+["extra comma",]
+~~~~~~~~~~
+error:1:15
diff --git a/src/lint/linter/__tests__/jsonlint/5.lint-test b/src/lint/linter/__tests__/jsonlint/5.lint-test
new file mode 100644
index 00000000..1edbea15
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/5.lint-test
@@ -0,0 +1,3 @@
+["double extra comma",,]
+~~~~~~~~~~
+error:1:22
diff --git a/src/lint/linter/__tests__/jsonlint/6.lint-test b/src/lint/linter/__tests__/jsonlint/6.lint-test
new file mode 100644
index 00000000..fd01a5a8
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/6.lint-test
@@ -0,0 +1,3 @@
+[, "<-- missing value"]
+~~~~~~~~~~
+error:1:1
diff --git a/src/lint/linter/__tests__/jsonlint/7.lint-test b/src/lint/linter/__tests__/jsonlint/7.lint-test
new file mode 100644
index 00000000..eb0bedaf
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/7.lint-test
@@ -0,0 +1,3 @@
+["Comma after the close"],
+~~~~~~~~~~
+error:1:25
diff --git a/src/lint/linter/__tests__/jsonlint/8.lint-test b/src/lint/linter/__tests__/jsonlint/8.lint-test
new file mode 100644
index 00000000..265454d7
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/8.lint-test
@@ -0,0 +1,3 @@
+["Extra close"]]
+~~~~~~~~~~
+error:1:15
diff --git a/src/lint/linter/__tests__/jsonlint/9.lint-test b/src/lint/linter/__tests__/jsonlint/9.lint-test
new file mode 100644
index 00000000..35919c2d
--- /dev/null
+++ b/src/lint/linter/__tests__/jsonlint/9.lint-test
@@ -0,0 +1,3 @@
+{"Extra comma": true,}
+~~~~~~~~~~
+error:1:21