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billion-context-dsh

Model-driven Active Context Pruning (ACP) and compaction backend for DeepSeek Harness.

Developer Tools
157GitHub Stars23ForksUpdated2026-10-08

Install

$ dsh plugin --profile web add billion-context-dsh

Plugin Overview & Capabilities

AI-assisted organization based on the public repository snapshot. The content must be grounded in source evidence and does not replace compatibility or security verification.

source-grounded
billion-context-dsh is an Active Context Pruning (ACP) plugin and CompactionEngine backend for DeepSeek Harness, ported from billion-context-pi and powered by acp-kernel. Instead of arbitrary truncation or automatic lossy summarization, it gives the model agency to decide when and what to compress via specialized tools (compress, decompress, search_context, and acp_status). Summaries become durable checkpoint nodes inside the append-only session surface while retaining uncompressed history for read-only retrieval and hierarchical multi-tier distillation.

Key Capabilities

  • Model-driven Active Context Pruning (ACP) as an alternative to host compaction-basic
  • Registers four core tools: compress, decompress, search_context, and acp_status
  • Provides /acp-prune slash command for manual status inspection, pruning, and live configuration updates
  • Advisory nudges at agent/pre-step based on configurable context usage thresholds and presets
  • Hierarchical multi-tier distillation (T2/T3) from durable session logs without sidecar files
  • Automatic LLM context window detection and output token reserve deduction
  • Single-retry emergency recovery upon host CONTEXT_WINDOW_EXCEEDED errors

Useful For

  • Preventing context window exhaustion in ultra-long DeepSeek Harness agent sessions
  • Allowing the LLM to selectively prune verbose tool outputs while preserving critical file paths and decisions
  • Querying and restoring historical conversation segments via semantic search and paging decompression
  • Enabling fine-grained context compaction tuning through runtime settings without restarting DSH

Who It Fits

  • DeepSeek Harness developers running extensive agent workflows and multi-step coding sessions
  • Engineers seeking token efficiency and prompt cache stability during prolonged tasks
  • DSH power users who need granular control over context pruning thresholds and summaries

Documented Limitations

  • Marked as beta software intended for testing; not certified for production use
  • Requires DSH runtime seam packages in range >=0.1.5-alpha.1 <0.2.1-0; incompatible with DSH versions older than 0.1.5
  • Must disable host compaction-basic in the same realm to prevent provider conflicts on ctx.compaction
  • Upstream acp_rule tool for persistent cross-compression instructions is not yet implemented
  • Cannot compress the latest active user turn or active injected policy and skill catalog lines

DSH Compatibility

Version-specific runtime evidence collected by DSH Plugin. A missing result means we have not tested that combination yet.

Not tested yetNo runtime compatibility tests have been published yet.

Security Signals

Objective signals discovered from package metadata and source inspection. These are not a guarantee that a plugin is safe.

Dependency Counts

package.json declares 0 runtime, 44 development, 18 peer, and 0 optional dependencies.

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Dsh Bundle Declared

package.json declares DSH bundle metadata.

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License Declared

GitHub reports the repository license as MIT.

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Package Manifest Available

A root package.json was captured and can be inspected by the registry.

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Source Available

Public GitHub source metadata is available for this registry snapshot.

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Source & Registry Notes

Public provenance, Registry classification, and the latest source check for this entry, kept separate from runtime verification.

Source repository
Tyan66666/billion-context-dsh
Registry source
GitHub · dsh-plugin topic
Registry classification
Plugin
Source checked
91a8a1e · 2026-10-20

This project is independently indexed from public source information. DSH Plugin is not affiliated with DeepSeek or the plugin author. Always check the author repository before installation.

Repository Activity

GitHub stars
157GitHub stars
Forks
23
Open issues
19
Last commit
2026-10-08
Last release
2026-10-08
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