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Compare MCP servers

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

DimensionIWETurn a folder of Markdown notes into a queryable knowledge graph for you and your AI agentsFilesystem MCP ServerSecure local file read/write access
FMRS56 / 100 · C84 / 100 · B
Reliability8 / 2017 / 20
Security and permissions11 / 2016 / 20
Maintenance13 / 2016 / 20
Documentation13 / 2017 / 20
Setup experience11 / 2018 / 20
Best for
  • Individuals whose knowledge lives in plain markdown files and who value local-first, git-versioned notes.
  • AI agent users who want their note graph as agent memory and want retrieval by structure rather than similarity guessing.
  • Developers and writers who use both an editor LSP workflow and the command line over the same notes.
  • Teams that need agent writes to declare their blast radius and to pass schema and graph-hygiene checks.
  • Local assistants that need to work inside explicitly approved directories
  • Individuals and development teams that want path-based data boundaries
Not for
  • People who want a cloud-hosted notes or memory service with no local file directory.
  • Users expecting the server to include its own AI model or inference — IWE has no built-in AI and must be paired with an external agent.
  • Scenarios that only need generic vector search and do not care about note hierarchy or link structure.
  • Builders who need a stable library-level API — the liwe crate is published but not yet API-stable.
  • Highly sensitive environments that cannot allow model access to local file contents
  • Shared remote file-service use cases
Required permissions
  • Read markdown note files under the working directory the server is started in.
  • Write and modify note files in that directory, including creating, renaming, deleting, refactoring, and targeted block updates.
  • Watch the notes directory for file changes so editor edits are reflected immediately.
  • Communicate over stdio with MCP clients; running via npx requires network access to fetch the @iwe-org/mcp package.
  • Read access to every local directory listed in the configuration
  • Filesystem write access when write or move tools are enabled
Risks and side effects
  • The agent holds write access to the notes directory; MCP writes must declare expect guards and validate before writing, but permitted changes still land on disk.
  • Pointing the MCP server at the wrong working directory lets the agent read and write markdown files in an unintended folder.
  • Using npx fetches an npm package from the network on first run, adding a dependency on the network and the upstream package.
  • Validation covers schemas, frontmatter, and graph-hygiene warnings, but dangling links, orphan pages, and near-duplicates are surfaced as warnings and still need human judgement.
  • The liwe crate in the repository is published but not yet API-stable, so projects building on it should pin versions.
  • Sensitive files inside an allowed directory may enter model context
  • Write and move tools change real files; keep scopes narrow and maintain backups
Supported clientsClaude Code, Claude Desktop, Cursor, WindsurfClaude Desktop, Cursor, Cline, Windsurf
Tools56