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Caelune MCP server

by EllisMorrow·io.github.EllisMorrow/caelune-mcp·v0.5.6·45 stars
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Read-only local-first MCP server for private Markdown, PDF, and Tika-backed search on Windows.

B80/100grade B
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Safety scan
B80/100

full report

Adoption
Growing

45 stars

Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Caelune tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings
  • –Code scanpackage could not be scannedn/a
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 46 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 80/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Caelune compares

Against every graded Web search MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
80/100
higher than 65% of 3,470 Web search servers
GitHub stars
45
more than 92% of 1,786 Web search servers

Install Caelune in Claude Code, Cursor or VS Code

The registry entry has no remote endpoint or installable package.

What the publisher says

From the Caelune repository's README, as published. We do not edit it. Read it on GitHub

Caelune

A local-first Windows desktop app and read-only MCP server for searching private Markdown, PDF, and Tika-backed knowledge bases.

Download Windows app · 中文说明 · Website · User Wiki · MCP Setup

What Caelune does

Caelune builds searchable indexes from knowledge you already keep on your own computer. It combines exact-text retrieval, structural signals, semantic vector search, optional reranking, and source-aware context assembly.

The desktop app manages data roots, Runtime components, models, knowledge-base builds, live watch, queries, and result review. The optional MCP server exposes the same retrieval core to MCP-capable AI clients through two read-only tools.

Search local Markdown, PDF, and other documents, review source-linked results directly, or provide selected evidence to AI.

Choose your path

Interface preview

The Query Console keeps input, scope, retrieval settings, and live query state together. Results and Details uses a separate page for source-labelled hits, snippet review, full-context selection, and page filtering.

Query Console · click the image to open it at full size

Results and Details · click the image to open it at full size

Download

Open the latest release and choose the package that matches your use case:

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Caelune: common questions

Is Caelune MCP server safe?
Mostly: it is graded B (80/100). Read the Caelune safety report
Does Caelune need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Caelune maintained?
The last commit was 88 days ago (2026-08-08). The latest release is v0.5.6.
What can I use instead of Caelune?
Servers from other publishers that do the same job: all2md MCP server, Jshookmcp MCP server and Zoteus MCP server.
How does Caelune compare with other Web search MCP servers?
safety score 80/100 (higher than 65% of 3,470 Web search servers); github stars 45 (more than 92% of 1,786 Web search servers). Full comparison.

Alternatives to Caelune

Same job from other publishers: the closest match first, then the best rated.

  • all2md
    Read, convert, search, diff and outline PDF, Word, PowerPoint, HTML and 40+ formats as Markdown.
    A
  • Jshookmcp
    Search-first MCP server for JavaScript reverse engineering: 735 tools across 36 domains.
    C
  • Zoteus
    Zotero MCP server for Claude and ChatGPT: search, citations, safe writes, PDF passages and pages.
    A
  • Free Search
    No-API-key web search, page fetching and document reading across many engines. Local-first.
    B
  • Everything Search
    Fast file search: Everything SDK on Windows, Spotlight (mdfind) on macOS, locate/plocate on Linux.
    A