| FMRS | 55 / 100 · C | 84 / 100 · B | 79 / 100 · B |
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| Reliability | 8 / 20 | 17 / 20 | 12 / 20 |
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| Security and permissions | 12 / 20 | 16 / 20 | 18 / 20 |
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| Maintenance | 13 / 20 | 16 / 20 | 15 / 20 |
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| Documentation | 10 / 20 | 17 / 20 | 19 / 20 |
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| Setup experience | 12 / 20 | 18 / 20 | 15 / 20 |
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| Best for | - AI agent developers needing basic file compression functionality.
- Researchers in scientific computing/HPC environments needing data-handling tools.
- Users already in the CLIO Kit or IoWarp platform ecosystem.
| - Local assistants that need to work inside explicitly approved directories
- Individuals and development teams that want path-based data boundaries
| - Serious Obsidian users who want AI agents reading and writing their vault
- Users wanting self-hosted, plugin-free operation with no external APIs
- Mobile/multi-device workflows accessing the vault remotely
- Security-conscious users (OAuth 2.1, atomic writes, container hardening)
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| Not for | - Users needing advanced compression options like multiple algorithms (bzip2, xz).
- Users wanting fine control over compression (e.g., level, concurrency).
- Users seeking production-level support or self-maintenance.
| - Highly sensitive environments that cannot allow model access to local file contents
- Shared remote file-service use cases
| - Users unwilling to run Docker or self-host a server
- Non-Obsidian note tools (Notion, Logseq, etc.)
- Scenarios requiring only a stdio local process without an HTTP server
- Remote multi-device sync without an Obsidian Sync subscription (the remote image requires one)
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| Required permissions | - Reading user-specified files.
- Writing generated compressed or decompressed files.
- Communicating with the client via stdio.
| - Read access to every local directory listed in the configuration
- Filesystem write access when write or move tools are enabled
| - Read/write access to the Obsidian vault folder (bind mount /vault, rw)
- Persistent /data volume (search index, OAuth token DB, logs)
- MCP_AUTH_TOKEN as Bearer token (also the JWT signing key)
- Obsidian Sync token for headless sync in remote mode
- Local download of embedding/reranker models (~45MB total), no external API calls
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| Risks and side effects | - Handling untrusted or malformed files can cause errors.
- Compression may overwrite existing files with the same name.
- As a non-official tool, there may be inadequately tested defects.
| - Sensitive files inside an allowed directory may enter model context
- Write and move tools change real files; keep scopes narrow and maintain backups
| - The server can read and write personal notes — guard MCP_AUTH_TOKEN carefully; leaking it exposes the whole vault
- Writes to real note files; despite atomic writes and protected paths, misconfiguration can alter data
- OAuth token DB lives on the /data volume; container compromise could expose valid sessions
- Remote deployments expose a public port — set PUBLIC_URL and reverse proxy correctly
- The remote image bundles proprietary obsidian-headless (not MIT-licensed); requires an active Obsidian Sync subscription
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| Supported clients | Claude Desktop, Cursor, VS Code | Claude Desktop, Cursor, Cline, Windsurf | Claude Code, Claude Desktop, claude.ai, Cursor, OpenCode, MCP Inspector |
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| Tools | 2 | 6 | 30 |
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