svemagie
53 lines
2.8 KiB
Markdown
53 lines
2.8 KiB
Markdown
---
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date: 2026-03-20T13:02:00.000Z
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title: Memex Chat - Obsidian Plugin I built for myself
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summary: Memex Chat is an Obsidian plugin enabling vault conversations through Claude AI, leveraging proper context retrieval instead of simple keyword matching.
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category:
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- on/memex
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- dev
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gardenStage: revisit
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visibility: Public
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aiTextLevel: "1"
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aiCodeLevel: "2"
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aiTools: Claude
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updated: 2026-04-15T08:32:41.789Z
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webmentionResults:
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sent: 0
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failed: 0
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skipped: 0
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details:
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sent: []
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failed: []
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skipped: []
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timestamp: 2026-03-22T11:14:09.591Z
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webmentionSent: true
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mpUrl: https://blog.giersig.eu/articles/memex-chat-obsidian-plugin-i/
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permalink: /articles/memex-chat-obsidian-plugin-i/
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---
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Memex Chat is an Obsidian plugin enabling vault conversations through Claude AI, leveraging proper context retrieval instead of simple keyword matching.
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## Capabilities
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The plugin provides these key features:
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- **Semantic vault search:** TF-IDF indexing across all notes without external APIs
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- **Local embeddings:** Optional offline semantic search using BGE Micro v2 (~22 MB model)
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- **Hybrid search:** When embeddings are enabled, TF-IDF keyword ranking and local semantic embeddings are combined via Reciprocal Rank Fusion (RRF) — neither score space needs normalization, and results are better than either engine alone. Falls back to TF-IDF-only while embeddings are still indexing.
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- **Automatic context:** Relevant notes automatically attached to queries before reaching Claude
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- **@ mentions:** Direct note references with autocomplete support
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- **Active note command:** "Memex Chat: Aktive Notiz als Kontext" opens a new thread pre-filled with the current note as explicit context, asking Claude to explain and connect it with other vault concepts
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- **Context preview:** View and edit included notes before sending
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- **Related notes sidebar:** Always-visible panel showing semantically similar notes, ranked by similarity, frontmatter links, and shared tags
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- **Thread history:** Chats saved as Markdown in your vault with inline renaming
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- **Message actions:** Copy assistant replies or save them as new notes
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- **Source links:** Answers display which notes provided context
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- **Prompt buttons:** Configurable header buttons extending Claude's system prompt (e.g., draft checking, monthly reviews); date-mode buttons retrieve notes by date range
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- **System context file:** Pin vault notes to the system prompt for persistent personal context
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- **Manual installation:** Download main.js, manifest.json, and styles.css from releases into `.obsidian/plugins/memex-chat/`, enable in Community Plugins, add Anthropic API key
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---
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## Resources
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**Repository:** https://github.com/svemagie/obsidian-memex-chat
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Together with the [[Thinking in Public]] approach, this creates an active knowledge space rather than a passive archive.
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