Filesystem vs Scholar

A side-by-side look at the Filesystem and Scholar MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Filesystem logoFilesystemFile Systems · Local subprocess (stdio)Secure file operations with configurable access controls.85ExcellentAuth: no auth requiredScholar logoScholarResearch · Local subprocess (stdio)Hardened Scholar MCP for deep academic research (Scopus, OpenAlex, Unpaywall) with PDF vision.48FairAuth: not declared

Verdict: choose Filesystem for file systems work as a local process; choose Scholar for research as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Filesystem logoChoose Filesystem when

  • You need dedicated capabilities in the File Systems domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like path, head, tail.
Explore Filesystem

Scholar logoChoose Scholar when

  • You need dedicated capabilities in the Research domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: SCOPUS_API_KEY, S2_API_KEY, SCIHUB_MIRRORS, LIBGEN_MIRRORS, SCOPUS_INST_TOKEN, CONTACT_EMAIL.
  • You want tools like search_papers_tool, search_papers_s2_tool, get_paper_details_tool.
Explore Scholar

Feature & specification comparison

Rows where the two servers differ are marked.

SpecFilesystem logoFilesystemScholar logoScholar
CategoryFile SystemsResearch
Quality signal85/100 · Excellent48/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedSCOPUS_API_KEYS2_API_KEYSCIHUB_MIRRORSLIBGEN_MIRRORSSCOPUS_INST_TOKENCONTACT_EMAIL
Verified owner VerifiedCommunity listing
GitHub stars91,4870
Directory activity 9 views 0 installs 0 upvotes 1 views 0 installs 0 upvotes
Tools1727

Tools & capabilities

Filesystem tools 17

  • path
  • head
  • tail
  • paths
  • content
  • edits
  • oldText
  • newText
  • dryRun
  • sortBy
  • source
  • destination
  • +5 more on the listing page

Scholar tools 27

  • search_papers_toolSearch papers via Scopus (Boolean syntax) or OpenAlex. Sort by `cited_by_count` or `publication_year`.
  • search_papers_s2_toolSearch papers via Semantic Scholar. Note: strictly rate-limited to 1 request/sec.
  • get_paper_details_toolFetch full metadata and abstract by Scopus ID, DOI, or OpenAlex ID (with automatic routing).
  • get_paper_details_s2_toolFetch full metadata from Semantic Scholar, including **AI-generated TLDRs**. Accepts S2 ID or DOI.
  • search_titles_unpaywall_toolSearch Unpaywall's database directly by title. Set `is_oa=True` for strictly OA results.
  • get_related_works_toolFind related/similar papers using OpenAlex's bibliographic coupling.
  • search_books_toolSearch for book metadata via Google Books or Open Library.
  • get_book_details_toolFetch complete book details, descriptions, and ISBNs.
  • search_libgen_toolSearch Library Genesis for books to retrieve their download MD5 hashes.
  • interact_with_book_toolSmart extraction from Libgen. Actions: `toc` (Table of Contents), `search` (keywords), `pages` (range).
  • autocomplete_authors_toolRapidly disambiguate author names and resolve OpenAlex Author IDs.
  • search_authors_toolDetailed bibliometric profiles: H-index, i10-index, ORCID, and research concepts.
  • +15 more on the listing page

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Filesystem

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "filesystem": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-filesystem"
      ]
    }
  }
}

Scholar

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "scholar": {
      "command": "uvx",
      "args": [
        "scholar-academic-mcp"
      ],
      "env": {
        "SCOPUS_API_KEY": "YOUR_SCOPUS_API_KEY_HERE",
        "S2_API_KEY": "YOUR_S2_API_KEY_HERE",
        "SCIHUB_MIRRORS": "YOUR_SCIHUB_MIRRORS_HERE",
        "LIBGEN_MIRRORS": "YOUR_LIBGEN_MIRRORS_HERE",
        "SCOPUS_INST_TOKEN": "YOUR_SCOPUS_INST_TOKEN_HERE",
        "CONTACT_EMAIL": "YOUR_CONTACT_EMAIL_HERE"
      }
    }
  }
}

Frequently asked questions

Filesystem is categorized under File Systems and uses a local stdio subprocess. Scholar belongs to Research and uses a local stdio subprocess. Pick Filesystem for file systems work and Scholar for research.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Filesystem is listed as free. Auth: no auth required. Scholar has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add filesystem and scholar as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Filesystem has a quality signal of 85/100 (Excellent) with 9 views, 0 installs and 91,487 GitHub stars. Scholar has 48/100 (Fair) with 1 views, 0 installs and 0 GitHub stars.