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Context Prism

by Stefan
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Description

This plugin has not been manually reviewed by Obsidian staff. Multilingual context routing for AI workflows in Obsidian.

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Latest Version

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Changelog

See all version on GitHub

README file from

Github

Context Prism hero

Context Prism turns an Obsidian vault into a local retrieval layer. It ranks notes related to the active file, explains why they were selected, estimates avoided context, and copies a compact Markdown pack that can be pasted into ChatGPT, Claude, Codex, Antigravity, Cursor, or any assistant that benefits from focused context.

Nothing is sent to external services. The index is built locally from Markdown files through the Obsidian plugin API.

Demo

Context Prism demo

Highlights

  • Token-aware context packs for AI-assisted workflows
  • Passive suggestions for the active note
  • Multilingual indexing profiles: multilingual, en, es, fr, de, it, pt
  • Mixed-language vault support through comma-separated language profiles
  • Title, alias, metadata, and TF-IDF vocabulary ranking
  • Explainable candidate reasons and snippets
  • Optional review modal for inserting durable wiki-links
  • Folder include and exclude filters
  • No telemetry, network calls, or external AI dependency

Why It Exists

AI assistants often waste context by reading too many notes before discovering which files matter. Context Prism moves that discovery step into the vault:

  1. The active note becomes the query.
  2. Related notes are ranked locally.
  3. The user copies a compact context pack.
  4. The assistant receives focused evidence instead of broad vault dumps.

The result is a more controlled workflow for large vaults, multilingual notes, and AI-assisted knowledge work.

Usage

  1. Open a Markdown note.
  2. Check the status bar for prepared context candidates.
  3. Run Copy AI context pack for current note.
  4. Paste the pack into your AI assistant before asking for analysis, writing help, or implementation planning.
  5. Optionally run Review link suggestions for current note to insert selected links under the configured footer heading.

Language Support

Context Prism defaults to multilingual, which removes common stopwords across supported language profiles. For more precise ranking, configure Index languages in settings:

en
es
en, es
fr, de, it
multilingual

The current language layer is lexical and Unicode-aware. It is designed for local retrieval, not translation or semantic embedding.

Development

Use Node.js 20.19 or newer. Node.js 22 LTS is recommended.

npm install
npm run dev

Production validation:

npm run typecheck
npm test
npm run build
npm audit

Manual Installation

Copy these files into <vault>/.obsidian/plugins/context-prism/:

  • main.js
  • manifest.json
  • styles.css

Reload Obsidian and enable Context Prism under Community plugins.

Project Docs

Release Checklist

  1. Update manifest.json, package.json, and versions.json.
  2. Run npm run typecheck, npm test, npm run build, and npm audit.
  3. Create a GitHub release with a tag that exactly matches manifest.json.
  4. Attach main.js, manifest.json, and styles.css.

Pushing a matching version tag can run the release workflow and attach those assets automatically.

Privacy

Context Prism reads Markdown files through the local Obsidian API and stores settings in the plugin data file. It does not make network requests, collect analytics, or send note content outside the vault.

License

MIT

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