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

DimensionSafe Docx MCP ServerAI-native surgical editing of Word and OpenDocument files with formatting preservationFilesystem MCP ServerSecure local file read/write accessVault Cortex MCP ServerStandalone MCP server for Obsidian vaults: hybrid search, notes & files, structured memory, tasks, OAuth 2.1.
FMRS68 / 100 · C84 / 100 · B79 / 100 · B
Reliability8 / 2017 / 2012 / 20
Security and permissions16 / 2016 / 2018 / 20
Maintenance14 / 2016 / 2015 / 20
Documentation18 / 2017 / 2019 / 20
Setup experience12 / 2018 / 2015 / 20
Best for
  • Developers who need precise, format-preserving edits to .docx/.odt files via coding agents
  • Workflows that require tracked-changes output for human review
  • 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)
Not for
  • Visual editing scenarios needing browser rendering, real-time collaboration, or pixel-level pagination guarantees
  • Using .dotx templates directly (they must be converted to .docx first)
  • 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)
Required permissions
  • Filesystem access to read and write local .docx / .odt documents
  • 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
Risks and side effects
  • Edits apply to local files; incorrect targeted changes could overwrite original content — use the clean/tracked-changes dual output for review
  • The project is not a visual editor or layout engine, so complex layout results should be verified manually
  • 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
Supported clientsClaude Desktop, Cursor, Cline, WindsurfClaude Code, Claude Desktop, claude.ai, Cursor, OpenCode, MCP Inspector
Tools0630