📚 dsh-library

Local document knowledge base for DeepSeek Harness.

Import, retrieve, verify — hybrid search with citations your agent can check.

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Compatibility

Surface	Status
Harness	DeepSeek Harness 0.1.1-rc.2 (compat declared for 0.1.1-rc.2)
Node	^22.19.0 || >=24.0.0
Storage	Any storage-domain backend (JSON or SQLite); the index lives in the host's storage domain
Models	None required — the built-in embedder is deterministic hashing (zero downloads)

What you get

dsh-library turns local md/txt documents into a queryable knowledge base with a quality pipeline your agent can trust:

• library_add / library_remove / library_list — import a document by path (chunked and embedded), remove one with purge verification (signatures of the removed content are probed against the remaining index and any residue is reported), and list document metadata.
• library_search — hybrid semantic + keyword ranking, maximal-marginal-relevance diversity re-rank, relevance filtering, and lost-in-the-middle avoidance (strongest chunks pinned to head and tail). With inject: true the result page is injected into the calling agent; every hit carries a [n] source marker and the injection is reconstructable from the library/inject session event.
• library_cite_check — verify the [n] citations in an answer against the search result page with a fuzzy token match AND a semantic similarity check.
• library_diagnose — chunk-size histogram, near-duplicate chunk pairs, a self-retrieval probe, and the middle-penalty signal.
• /library — one-line index summaries per library.

document ── library_add ─▶ chunk (sliding window) ─▶ embed (hash / external cmd)
                                  │
                        storage domain (documents / chunks / purges)
                                  │
query ── library_search ─▶ hybrid score ─▶ MMR re-rank ─▶ relevance filter
                                  │                    ─▶ lost-in-middle order
                                  ▼
                    result page with [n] markers ── inject: true ─▶ agent + library/inject event

Quick start

# 1. install the bundle into your profile
dsh plugin --profile web add "github:PerryLink/dsh-library#main"

# or from npm (published releases)
dsh plugin --profile web add dsh-library

# 2. restart and verify the row
dsh --profile web --dump-config | grep -A2 'id: dsh-library'

Then ask the agent to import and use a document:

> Add ./docs/spec.md to library docs, then answer: what does the spec say about retries? Cite [n] markers.

Install & uninstall

• git channel (latest main): dsh plugin --profile web add "github:PerryLink/dsh-library#main" — the prepare script builds with production dependencies only.
• npm channel (published releases): dsh plugin --profile web add dsh-library.
• tarball channel: pnpm pack in this repo, then dsh plugin --profile web add ./dsh-library-<version>.tgz.
• uninstall: dsh plugin --profile web remove dsh-library (or remove the row from the profile patch).

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