chore(main): release opera-devtools-mcp 0.2.3

[github-actions]

🤖 I have created a release beep boop

0.2.3 (2026-05-13)

🎉 Features

• --slim mode for maximum token savings (#958) (c402b43)
• add a new skill for accessibility debugging and auditing with Chrome DevTools MCP. (#1002) (b0c6d04)
• Add a new tool for listing in-page tools (gated behind a command line flag) (#1239) (cea963b)
• add a skill for detecting memory leaks using take_memory_snapshot tool (#1162) (d19a235)
• add a skill for using chrome-devtools-mcp (#830) (aa0a367)
• Add ability to inject script to run on page load (#568) (d845ad4)
• add an error logging method (#2006) (06e0ab6)
• add an option to customize ffmpeg path (#1937) (b377454)
• add background parameter to new_page tool (#837) (d756888)
• add experimental screencast recording tools (#941) (33446d4)
• Add list of in-page tools to responses for navigate_page, list_pages, select_page, close_page, new_page (#1762) (f7ae9e8)
• add pageId routing for parallel multi-agent workflows (#1022) (caf601a), closes #1019
• add skill to debug and optimize LCP (#993) (2cd9b95)
• Add skill which helps with onboarding of the mcp server (#1083) (7273f16)
• add storage-isolated browser contexts (#991) (59f6477)
• add take_memory_snapshot tool (#1023) (7ffdc5e)
• add tool call params logging (#1863) (528309a)
• add update notification to both binaries (#1783) (e01e333)
• agentic browsing in lighthouse (#1931) (5fa2750)
• Allow opting out of default Chrome launch arguments (#729) (9a51af2)
• allow skipping snapshot generation for input tools (#821) (4b8e9f2)
• auto handle dialogs during script evaluation (#1839) (da33cb5)
• cli: generate commands for conditional tools (#1962) (b2b3e99)
• Command Code CLI instructions for MCP server (#1226) (0a7c0a7)
• enable usage statistics by default with opt-out (#855) (7e279f1)
• ensure extensions for file outputs (#1867) (e7a0d50)
• experimental chrome-devtools CLI (#1100) (1ac574e)
• experimental click_at(x,y) tool (#1788) (c4f5471)
• group identical consecutive console messages in list_console_messages (#1939) (dbddb2e)
• include Error.cause chain for uncaught errors and logged Errors (#906) (05b01ec)
• include source-mapped stack trace for uncaught errors (#876) (ecef712)
• include stack trace in 'get_console_message' tool (#740) (a3a0021)
• Integrate CrUX data into performance trace summaries (#733) (b747f9d)
• integrate Lighthouse audits (#831) (dfdac26)
• Opera customizations on top of chrome-devtools-mcp (e6cc101)
• record client name in telemetry. (#1208) (9a47b65)
• report new URL after actions that trigger navigation (#1853) (b594858)
• show message and stack trace in details when console.log'ging Error objects (#902) (ffa00da)
• support --auto-connect to a Chrome instance (#651) (6ab6d85)
• support --user-data-dir with --auto-connect (#654) (e3c59bc)
• support any-match text arrays in wait_for (#1011) (496ab1b)
• support Chrome extensions debugging (#1922) (3ff21cf)
• support device viewport and user agent emulation (#798) (a816967)
• support DevTools header redactions as an option (#1848) (5c398c4)
• support experimental allowlist for navigate tool calls (#1935) (d502557)
• support filePath for network request and response bodies (#795) (6d0e4ca)
• support filePath in performance tools (#686) (68ae2f8)
• support MCP client roots feature (#1945) (def53dd)
• support testing light and dark mode (#858) (5a23a8c)
• support third-party developer tools (#1982) (7548c97)
• support type_text (#1026) (b5d01b5)
• support webm format in screencast (#1934) (85b8993)
• webmcp: Add experimental tool to execute WebMCP tool (#1873) (0aff266)
• webmcp: Add experimental tool to list WebMCP tools page exposes (#1845) (f97b573)

🛠️ Fixes

• accidental extra typing in the fill tool (#886) (3d6e59d)
• add proactive tool rejection when dialog is open (#1978) (6ce254e)
• always allow tmpdir access with client roots (#1984) (a90378a)
• avoid showing update notification for local builds (#1889) (3f0cf10), closes #1886
• catch unexpected error in event handlers (#672) (ca0f560)
• check that combobox is actually a select element before filling out options (#979) (d2bc489)
• cli: allow --autoConnect on CLI start (#2015) (9882391), closes #1859 #1184
• cli: avoid defaulting to isolated when userDataDir is provided (#1258) (73e1e24)
• cli: correct WebP MIME type check in handleResponse ('webp' → 'image/webp') (#1899) (e3a5f6b), closes #1898
• cli: re-generate cli correctly (#1969) (8cbdb8d)
• console formatter hides frames from ignored scripts (#927) (8e2380b)
• detect X server display on Linux (#1027) (1746ed9)
• disable usage statistics when CI or CHROME_DEVTOOLS_MCP_NO_USAGE_STATISTICS env is set (#862) (c0435a2)
• do not use getSelectedMcpPage (#2039) (85f935b)
• handle beforeunload dialogs in navigations (#788) (9b21f8b)
• handle errors due to open dialogs during tool calls (#1953) (06b331f)
• handle network request pagination correctly (#980) (0d9f422)
• ignore unmapped PerformanceIssue events (#1852) (ea57e86)
• improve error handling for console messages (#844) (dc43ede)
• improve error messages around --auto-connect (#1075) (bcb852d)
• improve error reporting when retrieving the element (#845) (f7dd003)
• improve performance tool description (#800) (aa9a176)
• improve tool descriptions (#965) (bdbbc84)
• increase timeouts for long text input (#787) (a83a338)
• input: stop native select option clicks from timing out (#1960) (510ec0f)
• limit stack traces to 50 lines (#923) (caea23a)
• list_pages should work after selected page is closed (#1145) (2664455)
• log unhandledRejection instead of crashing (#673) (f59b4a2)
• make bringToFront optional in select_page (#668) (ceae17b)
• Make fill_form more appealing when filling forms with checkboxes (#1971) (407c2bd)
• make request and response handling more robust (#846) (695817f)
• make sure env variables are consistently applied when parsing args (#1994) (f45f068)
• map channel for resolveDefaultUserDataDir (#658) (6f59b39)
• mark categoryExtensions flag mutually exclusive with autoConnect (#1202) (8c2a7fc), closes #1072
• mark lighthouse and memory as non-read-only (#1769) (bec9dae)
• network: trailing data in Network redirect chain (#1880) (2f458c1)
• note about missing elements should not show in verbose mode (#1950) (80bee1e)
• only require a page in page-scoped tools (#2030) (8e06761)
• re-use node ids across snapshots (#814) (a6cd2cd)
• remove clean from prepare (#997) (2016b98)
• remove double space in navigate error message (#1847) (429e0ca)
• remove endsWith for filePath in memory tools (#1041) (d0622d5)
• repair broken markdown and extract snippets in a11y-debugging skill (#1096) (adac7c5)
• respect custom timeouts in navigate tools (#865) (a0aeb97)
• respect user's npm registry configuration in update check (#2038) (83a299f)
• simplify emulation and script tools (#1073) (e51ba47)
• simplify focus state management (#1063) (f763da2)
• support resize_page when browser window is maximized/fullscreenwindow state (#748) (4d9ac22)
• telemetry: bucketize string length (#1972) (bf3cb58)
• telemetry: re-run the update metrics script (#2005) (e9ec375)
• tweak lighthouse description (#1112) (5538180)
• update evaluateScript description formatting (#880) (24db9dd)
• Update installation badges in README.md for VS Code (#660) (61ede1c)
• update VS Code manual installation powershell command (#1151) (6c64a5b)
• use 1-based line/column and fix wasm offsets in stack frames (#884) (7e1ec81)
• use relative path for plugin source in marketplace (#724) (5c1ecf8)
• versioning for Claude Code plugin (#1233) (966b86f)
• wrap .mcp.json config in mcpServers key (#1246) (c7948cf)

📄 Documentation

• Adapt a11y skill to utilize Lighthouse (#1054) (21634e6)
• Add 'Progressive Complexity' and 'Reference over Value' design principles. (#939) (8d765c0)
• add a mention of evals into contributing.md (#773) (9a31ac7)
• Add a note about previously installed server installations (#982) (c0009f7)
• Add AX design principles (#643) (90ed192)
• Add debug instructions (#670) (a8aae66)
• add experimental chrome on android guide (#691) (4a87702)
• add feature release checklist to CONTRIBUTING.md (#1118) (0378457)
• add Katalon Studio setup instructions to README (#929) (6cfef24)
• add macOS Web Bluetooth troubleshooting note (#930) (3c9528b), closes #917
• add MCP config for Claude plugin + docs (#944) (a781da4)
• add Qoder CLI to the MCP client configuration section in the README. (#552) (1a16f15)
• add troubleshooting for Claude Code plugin HTTPS clone failures (#1195) (d082ca4)
• add VS Code install badges (#532) (cc4d065)
• autoConnect - clarify how the mcp server selects a profile (#693) (28b8ff8)
• clarify resource limitations around the number of tabs (#1927) (42be7c3)
• clarify tools included into CLI (#1925) (76ab9fa)
• claude code broken link (#707) (1f532b8)
• document how to add extensions to gemini-cli (#834) (0610d11)
• document network response and request extensions (#1887) (796d6f2)
• enhance cli docs + sort required vs opt params (#674) (81cbd99)
• estimate tokens using tiktoken (#959) (fd0a919)
• explain new auto connection feature (#664) (a537a8c)
• extract WebMCP into its own category (#1993) (da0441d)
• Fix Claude Code instructions (#2018) (a5ad67b)
• fix skill and reference documentation issues (#1249) (9236834)
• fix typo (#1155) (b59cabc)
• fix typo in README regarding slim mode (#1093) (92f2c7b)
• fix typos and improve phrasing (#1130) (70d4f36)
• improve autoConnect docs (#653) (09111cc)
• improve Claude Code installation instructions (#947) (3ec5b7e)
• Include Mistral Vibe setup in README (#1801) (582c9e0)
• mention source-mapped stack traces in 'Key features' (#883) (579d18a)
• provide disclaimer about supported browsers (#1237) (8676b72)
• remove outdated --channel=beta note (#882) (acdb5c9)
• remove token estimates (#2003) (14938ac)
• Rename project and enhance README content (#1856) (c066488)
• revise contribution process and add release process (#1134) (d7d26a1)
• troubleshooting: add symptom for missing tools due to read-only mode (#1148) (57e7d51)
• update auto connect docs to mention min Chrome version (#681) (ab2340f)
• update auto-connect docs (#779) (a106fba)
• Update Claude Code instructions in README.md (#711) (f81cd2d)
• update codex doc URL (#987) (ebbbea7)
• update generate-docs.ts tools output order (#1991) (895fc65), closes #1932
• update readme to include OpenCode example (#560) (fbba3c9)
• Update README with WSL configuration details (#946) (107c46a)
• Update README.md to include a link to Android debugging (#783) (6e52e66)
• update the README on installing as a VS code agent plugin (#1796) (1b5dcae)
• Update troubleshooting for MCP server connection errors (#1017) (00f9c31)

⚡ Performance

• memory: release old navigation request in NetworkCollector (#1200) (1e6456c)
• use CDP to find open DevTools pages (reland) (#1210) (53483bc)
• use CDP to find open DevTools pages. (#1150) (94de19c)

🏗️ Refactor

• add support for CLI sessionIds in tests (#1919) (82b67b0)
• change pageIdx to page ids (#741) (a23c6ba)
• clean up more of the context getters (#1062) (9628dab)
• cleanup string and structured console formatters (#1005) (0d78685)
• consistently use McpPage in tools (#1057) (302e5a0)
• extract ToolHandler (#2032) (178b790)
• extract version in a seprate file (#1032) (0106865)
• improve type safety for page scoped tools (#1051) (5f694c6)
• make cdp resolvers use McpPage (#1060) (d6c06c5)
• move dialog handling to McpPage (#1059) (40c241b)
• move emulation settings to context (#1000) (bc3c40e)
• move main files (#1120) (c2d8009)
• move server to a separate file (#1043) (a8bf3e5)
• move waitForEventsAfterAction to McpPage (#1780) (c7c8f50)
• network: de-duplicate String and JSON formatters (#985) (1896dbb)
• optimize slim tool descriptions and params (#1028) (ca6635d)
• remove page passing via context (#1061) (4cb5a17)
• remove text from the status code for Network requests (#778) (327a388)
• rename files to have more consistent style (#935) (9e1f9ac)
• set defaults to performance trace tool (#1090) (dfa9b79)
• set process titles for easier debugging (#1770) (0fe3896)
• simplify JavaScript code examples, update code block language, and refine descriptions in a11y debugging skill documentation. (#1009) (5cedcaa)
• simplify the response texts (#1095) (cb0079e)
• type-cast as internal CdpPage interface (#1064) (2d5e4fa)
• types for JSON output of IssueFormatter (#1007) (9ef4479)
• use puppeteer Extension API (#1911) (ec895f1)

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