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Compare scores, permissions, risks, and fit in one decision-focused table.

DimensionScan MCPMCP server for scanner discovery and batch capture via SANE on LinuxObsidian Web MCPSecure remote access to your Obsidian vault over HTTPS with OAuth 2.0 authentication.
FMRS53 / 100 · D68 / 100 · C
Reliability10 / 209 / 20
Security and permissions9 / 2016 / 20
Maintenance10 / 2014 / 20
Documentation13 / 2017 / 20
Setup experience11 / 2012 / 20
Best for
  • Linux users with SANE-compatible scanners
  • Those needing local, privacy-first scanning automation (stdio)
  • Developers or advanced users who want programmable batch and multipage scanning
  • Users who want secure remote access to their Obsidian vault from any device.
  • Integrating Claude.ai (web) or mobile with Obsidian.
  • Those needing concurrent writes with Obsidian Sync without file conflicts.
Not for
  • Windows or macOS users (Linux-only)
  • Those relying on networked authentication or secure transport (HTTP lacks authentication)
  • Users needing camera or non-SANE backends (although it attempts to avoid such devices)
  • Users who only need local stdio MCP access without remote capabilities.
  • Those unwilling to set up an OAuth password or use a Cloudflare Tunnel.
  • Users with extremely high security requirements who distrust network exposure (though encrypted).
Required permissions
  • System permissions to execute scanimage/scanadf commands
  • Write access to INBOX_DIR (default: scanned_documents/inbox)
  • Filesystem permissions to access temp and output directories
  • Optional: network permissions and TCP port access if using HTTP transport
  • Read and write files in the directory specified by VAULT_PATH.
  • Perform file operations (move, delete with soft delete to .trash).
  • Create daily notes, write binary files.
  • Maintain an in-memory frontmatter index, potentially modifying index files.
  • Access the network (for Cloudflare Tunnel, heartbeat URLs).
Risks and side effects
  • HTTP transport has no built-in authentication; only suitable for trusted internal networks
  • Scanning failures could lead to data loss or incomplete outputs; use job cancellation and status monitoring
  • Incorrect device options or high resolutions may consume significant disk space
  • External command dependencies: missing tools or misconfigured SANE can make the server non-functional
  • Credential leakage: exposed OAuth password or MCP token could allow unauthorized access.
  • Path traversal mitigation is not infallible; keep updated.
  • Extension system is not sandboxed; loading untrusted extensions could be risky.
  • Audit log is best-effort and not tamper-evident; records may be dropped at runtime.
  • Misconfiguration may cause the server to fail to start or expose vulnerabilities.
Supported clientsClaude DesktopClaude Desktop, Claude Mobile, Claude Web
Tools820