chrome-devtools-mcp: v0.21.0

0.21.0 (2026-04-01)

🎉 Features

• add a skill for detecting memory leaks using take_memory_snapshot tool (#1162) (d19a235)

🛠️ Fixes

• cli: avoid defaulting to isolated when userDataDir is provided (#1258) (73e1e24)
• list_pages should work after selected page is closed (#1145) (2664455)
• mark lighthouse and memory as non-read-only (#1769) (bec9dae)
• telemetry: record client name (9a47b65)
• versioning for Claude Code plugin (#1233) (966b86f)
• wrap .mcp.json config in mcpServers key (#1246) (c7948cf)

📄 Documentation

• Command Code CLI instructions for MCP server (0a7c0a7)
• provide disclaimer about supported browsers (#1237) (8676b72)

🏗️ Refactor

• set process titles for easier debugging (#1770) (0fe3896)

chrome-devtools-mcp: v0.20.3

0.20.3 (2026-03-20)

🛠️ Fixes

• mark categoryExtensions flag mutually exclusive with autoConnect (#1202) (8c2a7fc), closes #1072

⚡ Performance

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

chrome-devtools-mcp: v0.20.2

0.20.2 (2026-03-18)

📄 Documentation

• add troubleshooting for Claude Code plugin HTTPS clone failures (#1195) (d082ca4)

chrome-devtools-mcp: v0.20.1

0.20.1 (2026-03-16)

🛠️ Fixes

• update VS Code manual installation powershell command (#1151) (6c64a5b)

⚡ Performance

• use CDP to find open DevTools pages. (#1150) (94de19c)

chrome-devtools-mcp: v0.20.0

0.20.0 (2026-03-11)

🎉 Features

• experimental chrome-devtools CLI (#1100) (1ac574e)

📄 Documentation

• fix typo (#1155) (b59cabc)
• fix typos and improve phrasing (#1130) (70d4f36)
• revise contribution process and add release process (#1134) (d7d26a1)
• troubleshooting: add symptom for missing tools due to read-only mode (#1148) (57e7d51)
• Update troubleshooting for MCP server connection errors (#1017) (00f9c31)

🏗️ Refactor

• move main files (#1120) (c2d8009)

chrome-devtools-mcp: v0.19.0

0.19.0 (2026-03-05)

🎉 Features

• add pageId routing for parallel multi-agent workflows (#1022) (caf601a), closes #1019
• Add skill which helps with onboarding of the mcp server (#1083) (7273f16)
• integrate Lighthouse audits (#831) (dfdac26)

🛠️ Fixes

• improve error messages around --auto-connect (#1075) (bcb852d)
• improve tool descriptions (#965) (bdbbc84)
• repair broken markdown and extract snippets in a11y-debugging skill (#1096) (adac7c5)
• simplify emulation and script tools (#1073) (e51ba47)
• simplify focus state management (#1063) (f763da2)
• tweak lighthouse description (#1112) (5538180)

📄 Documentation

• Adapt a11y skill to utilize Lighthouse (#1054) (21634e6)
• add feature release checklist to CONTRIBUTING.md (#1118) (0378457)
• fix typo in README regarding slim mode (#1093) (92f2c7b)

🏗️ Refactor

• clean up more of the context getters (#1062) (9628dab)
• consistently use McpPage in tools (#1057) (302e5a0)
• improve type safety for page scoped tools (#1051) (5f694c6)
• make cdp resolvers use McpPage (#1060) (d6c06c5)
• move dialog handling to McpPage (#1059) (40c241b)
• move server to a separate file (#1043) (a8bf3e5)
• remove page passing via context (#1061) (4cb5a17)
• set defaults to performance trace tool (#1090) (dfa9b79)
• simplify the response texts (#1095) (cb0079e)
• type-cast as internal CdpPage interface (#1064) (2d5e4fa)

chrome-devtools-mcp: v0.18.1

0.18.1 (2026-02-25)

🛠️ Fixes

• remove endsWith for filePath in memory tools (#1041) (d0622d5)

chrome-devtools-mcp: v0.18.0

0.18.0 (2026-02-24)

🎉 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 experimental screencast recording tools (#941) (33446d4)
• add skill to debug and optimize LCP (#993) (2cd9b95)
• add storage-isolated browser contexts (#991) (59f6477)
• add take_memory_snapshot tool (#1023) (7ffdc5e)
• support any-match text arrays in wait_for (#1011) (496ab1b)
• support type_text (#1026) (b5d01b5)

🛠️ Fixes

• detect X server display on Linux (#1027) (1746ed9)

♻️ Chores

• cleanup string and structured console formatters (#1005) (0d78685)
• extract version in a seprate file (#1032) (0106865)
• move emulation settings to context (#1000) (bc3c40e)
• optimize slim tool descriptions and params (#1028) (ca6635d)
• simplify JavaScript code examples, update code block language, and refine descriptions in a11y debugging skill documentation. (#1009) (5cedcaa)
• types for JSON output of IssueFormatter (#1007) (9ef4479)

chrome-devtools-mcp: v0.17.3

0.17.3 (2026-02-19)

🛠️ Fixes

• remove clean from prepare (#997) (2016b98)

chrome-devtools-mcp: v0.17.2

0.17.2 (2026-02-19)

🛠️ Fixes

• check that combobox is actually a select element before filling out options (#979) (d2bc489)
• handle network request pagination correctly (#980) (0d9f422)

📄 Documentation

• Add a note about previously installed server installations (#982) (c0009f7)
• update codex doc URL (#987) (ebbbea7)

♻️ Chores

• network: de-duplicate String and JSON formatters (#985) (1896dbb)
• remove text from the status code for Network requests (#778) (327a388)