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claude-obsidian is a local-first knowledge system for Claude Code and compatible Agent Skills hosts. It turns source material into linked, source-cited Obsidian pages; answers from the evidence already in the vault; and provides explicit workflows for research, retrieval, maintenance, and visual mapping.

Your vault remains a normal directory of Markdown, JSON, and source files. It is not hidden in a plugin cache, locked in a cloud database, or silently uploaded to a model.

From source to living knowledge

Most AI note workflows stop after saving text. claude-obsidian is organized around a repeatable loop: retain the source, ground the claims, connect the knowledge, then put it back to work.

• Capture with context. Bring local sources through a visible inbox and preserve immutable, content-addressed copies before synthesis.
• Ground every important claim. Source and claim ledgers retain authority, freshness, support, contradiction, confidence, and review state.
• Connect what you learn. Build linked pages, indexes, Maps of Content, methodology-aware structures, and Obsidian Canvas views.
• Use the vault again. Query, research, retrieve, lint, and fold what is already known instead of starting every conversation from zero.

See the vault

The output is meant to remain useful with or without an agent: plain Markdown for portability, Obsidian for navigation and visual exploration.

Why it feels different

• Local by default. The vault is user-owned and works as ordinary files. Network egress is a separate, explicit decision.
• Sources survive the summary. Notes point back to durable source evidence; unsupported and contradictory claims remain visible.
• Knowledge compounds deliberately. Ingestion, querying, linting, retrieval, research, and rollups share one provenance-aware model.
• Parallel agents cannot race the vault. Workers return drafts. One orchestrator inspects and applies one recoverable transaction.
• Capabilities are stated honestly. Optional tools are detected, maturity is declared, and missing adapters degrade clearly instead of being simulated.

This is not an automatic transcript recorder, a cloud sync service, a factual oracle, or a substitute for backups and source control.

Quick start

The safest first run uses a source checkout and a separate user vault. Every mutating setup command previews its exact operation before it can apply.

1. Get the product

git clone https://github.com/AgriciDaniel/claude-obsidian.git
cd claude-obsidian

The checkout contains the product. It is not your knowledge vault.

2. Initialize a separate vault

export GENERATED_AT="$(date -u +%Y-%m-%dT%H:%M:%SZ)"
export OPERATION_ID="init-reviewed"

python3 scripts/claude-obsidian.py init "$HOME/Documents/MyKnowledgeVault" \
  --generated-at "$GENERATED_AT" --operation-id "$OPERATION_ID"

Review the JSON plan and copy its approved_plan_sha256, then apply that exact operation:

python3 scripts/claude-obsidian.py init "$HOME/Documents/MyKnowledgeVault" \
  --generated-at "$GENERATED_AT" --operation-id "$OPERATION_ID" \
  --approved-plan-sha256 "<sha256-from-the-plan>" --apply

For an existing Obsidian vault, use the non-destructive adopt workflow described in the installation guide.

3. Start from the vault

Open the new directory in Obsidian, then run Claude Code from that directory with the local plugin:

cd "$HOME/Documents/MyKnowledgeVault"
claude --plugin-dir /absolute/path/to/claude-obsidian

Start with:

/claude-obsidian:wiki

Then place a source in inbox/ and invoke /claude-obsidian:wiki-ingest. Save an answer explicitly with /claude-obsidian:save; ask the vault with /claude-obsidian:wiki-query.

For Codex, OpenCode, Gemini, or ZCode, preview and then apply the portable skill links from the product checkout:

bash scripts/setup-multi-agent.sh --host codex
bash scripts/setup-multi-agent.sh --host codex --apply

Cursor and Windsurf use workspace-local skill discovery. Marketplace setup, every supported host, vault adoption, upgrades, and uninstall steps are covered in the full installation guide.

15 skills, one system

The skills are small enough to invoke directly and coordinated enough to share the same evidence, vault-selection, and mutation rules.

Build and use the wiki

Extend the workflow

Reference skills

Claude Code exposes namespaced invocations such as /claude-obsidian:wiki-lint; other hosts use their native Agent Skills invocation. Trigger phrases and exact contracts live in each skills/<name>/SKILL.md.

Trust is part of the architecture

![The claude-obsidian product and vault trust boundary](assets/diagrams/product-vault-boun