DSH Web selection-annotation plugin: select assistant text, annotate (optional), and press Enter to send the annotation block with your message — the model replies to each annotation by number, with hoverable chips in the reply.
Declarative Claude Code-style permission rules plus a Codex-style process-level network policy for DeepSeek Harness: ordered allow/deny/ask rules with tool-name, argument (glob/regex), workspace-path, and network-target (domain/ip/port/scheme) matching on the tools/pre-execute waterfall, a built-in local HTTP/CONNECT proxy governing shell subprocess traffic, three network modes mapped onto the official sandbox presets, full session-log audit, HMR rule reload, and a settings page with a rule editor, block counters, and recent interception lists.
Tabbit Browser bundle for DeepSeek Harness: a code-first tabbit_browser tool, browser-backed web_fetch, @tab composer mentions, a dedicated page-access permission, an environment preflight with background installer download, and a daily plugin update check.
DeepSeek Harness plugin: an agent browser with a persistent identity - engine-level fingerprint spoofing, per-profile cookies and passkeys, residential proxy egress.