dsh-context

The best DeepSeek Harness plugin for Agent's context insights and management.

dsh-context provides full context lifecycle management features.

• Context tab — an UI context dashboard for DeepSeek Harness's context stats, composition, trend, events, and messages.
• /context command — the slash command shows the context model for current context composition and recent context evolution.

Install / Update

To Install from any DeepSeek Harness installation:

dsh plugin --profile web add dsh-context

Or to update the dsh-context plugin:

dsh plugin --profile web update dsh-context@latest

Then start the web UI with dsh web. No build step, no restart.

Use it

Three surfaces, one story — what your agent is carrying, how it got there, and what it did with it:

📊 The Context tab

Open any session and click the Context / 上下文 tab:

The headline occupancy and composition read the same official token-meter projections as the chat composer's context ring (contextPressure / contextBreakdown), so the figures always match what the ring tells you.

🧱 Current Context — who ate the budget

A six-color stacked bar against the model's full window (hatching = free headroom): system prompt, tool schemas, user messages, injected context, assistant replies, tool results — each with its ≈token figure and share. When a conversation starts degrading, this is where you see which part is responsible.

📈 Context Trend — every request, sized and explained

One stacked bar per model request — finer than per-message — so you watch the window grow turn by turn:

• ✨ Step brief — three plain-language rows under the chart: User recalls the message that opened the turn, In lists what newly entered (usually the previous tool results), Response shows the reply and/or tools called. Click a row to open that exact message in the Context browser.
• ✂ marks the events — compactions and prunes are pinned to the bar where they happened, so the drops explain themselves.
• Read it your way — Step / Turn granularity, Total (cumulative makeup) or Delta (each request's signed change), and sideways scrolling through the whole session. In Delta mode, growth piles up above the baseline and a compaction dives below it:

• Hover & pin — scrub for an instant tooltip; click to pin the full breakdown, with provider-reported Actual Prompt / Output / Cache next to the estimates.
• Live linkage — hovering a bar previews that step's assembled context in the Context browser beside the chart; leaving the chart returns to your own pick.

🧭 Context Browser — open the box of any request

Pick Live (next request) or any retained step, and browse what that request was assembled from: six collapsible categories expand into one row per element with its token price, and every element expands again into its actual content — the system prompt, each tool's JSON schema, message text, reasoning, tool arguments, and tool outputs.

• Who provides each tool — every tool-schema row carries a best-effort source chip: tool-* first-party packages, dsh-* capability packages, mcp:<server> proxies, or the exact plugin watched live from tools.register(). Sort by size / name, and filter every category by its own searchable fields:

• Tool results open into the full call — the tool name and arguments with its OK/error status, the result body with line count and a Raw / Markdown toggle:

• Image payloads render as cards — thumbnails with name, dimensions, stored size, and the official DeepSeek image-token estimate (the dsh multimodal pipeline, e.g. read_image results and image attachments):

• Diff against the previous turn — signed delta badges per category (+N items, ±Nk tokens) tell you what a turn added or reclaimed at one glance. Steps older than a compaction are reconstructed from the removed-message archive — and the card says so when a step's makeup is only approximate.

⚡ Context Events — when and why the window changed

Every injection, compaction, prune, model switch, and plan-mode toggle — labeled with its producer (instruction file, plugin id, skill name), its net token delta (compactions show what they reclaimed), turn/step, and time. The Inject / Compact / Prune / Switch / Mode chips filter the log by kind.

📁 File Activity — what the agent did to your files

One row per touched file — read, written, or searched — aggregated up to whichever step you pick on the trend chart:

• Per-purpose counts with header chips doubling as filters (Read / Written / Searched / Images) and a path search box.
• Line deltas — every edit/write contributes its estimated +added / −removed footprint, per file and summed.
• Every mode counts — native tools, the Minimal preset's str_replace_editor, and the nested calls inside PTC run_code programs are all folded into per-tool rows.
• Searches land on real files — matched files get their own ops rows with hit counts.
• Click a row to expand its full operation log — every op jumps straight to the exact tool result in the Context browser.

🕸 Agent Network — the family portrait

The current agent, its parents, and every subagent — one node per agent, colored edges for the lineage, multi-level delegation on one map. Each ring is that session's composition scaled to its window occupancy; hover for tokens, requests, billing, and active time; click to jump into that session's own Context tab. Running agents breathe with a green pulse.

⌨️ /context command

Type /context (or pick it from the / menu) and press Enter:

A centered dialog opens with the Current Composition card and the Context browser — the same composition bar, per-step picker, and vs previous turn diff badges as the tab:

⚙️ Settings

In Settings → Plugins → Plugin configuration, the Context card holds this plugin's per-user preferences — default trend granularity (Step/Turn), default trend mode (Total/Delta), and the File Activity default sort. In-chart and in-card toggles stay per-view and never overwrite the stored preference.

Good to know

• Estimates vs actuals — category figures use dsh's own fixed-density heuristic (the same one as its built-in token meter); the pinned trend details and Token/Timing rings show provider-reported actuals next to them.
• Compatibility — works on @deepseek-ai/dsh 0.1.2-rc1+. The per-release matrix and how it is verified: docs/compatibility.md.
• I18n — UI in English and 简体中文.

Like it?

If dsh-context helped you understand what your agent is carrying around, a ⭐ on GitHub is much appreciated — and issues/PRs are welcome!

License

Apache-2.0