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Code Lens vs Overleaf MCP

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

Code Lens logoCode LensDeveloper Tools · Local subprocess (stdio)Gemini-powered MCP server for code analysis.47FairAuth: not declaredOverleaf MCP logoOverleaf MCPDeveloper Tools · Local subprocess (stdio)MCP server that lets AI assistants read Overleaf projects, parse LaTeX document structure, and push section-level edits back via Git.65GreatAuth: api key required

Verdict: choose Code Lens for developer tools work as a local process; choose Overleaf MCP for developer tools as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Code Lens logoChoose Code Lens when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
  • You have the keys it needs: GEMINI_API_KEY, GOOGLE_API_KEY.
  • You want tools like generate_diff, analyze_pr_impact, generate_review_summary.
Explore Code Lens

Overleaf MCP logoChoose Overleaf MCP when

  • You need dedicated capabilities in the Developer Tools domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: API key required.
  • You have the keys it needs: OVERLEAF_PROJECT_ID, OVERLEAF_GIT_TOKEN, OVERLEAF_GIT_TOKEN_FILE, OVERLEAF_PROJECT_NAME, OVERLEAF_PROJECTS_CONFIG.
  • You want tools like list_projects, list_files, read_file.
Explore Overleaf MCP

Feature & specification comparison

Rows where the two servers differ are marked.

SpecCode Lens logoCode LensOverleaf MCP logoOverleaf MCP
CategoryDeveloper ToolsDeveloper Tools
Quality signal47/100 · Fair65/100 · Great
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Local subprocess (stdio)
AuthNot declaredAPI key required
PricingNot declaredNot declared
Required env varsGEMINI_API_KEYGOOGLE_API_KEYOVERLEAF_PROJECT_IDOVERLEAF_GIT_TOKENOVERLEAF_GIT_TOKEN_FILEOVERLEAF_PROJECT_NAMEOVERLEAF_PROJECTS_CONFIG
Verified ownerCommunity listingCommunity listing
GitHub stars0329
Directory activity 0 views 0 installs 0 upvotes 0 views 0 installs 0 upvotes
Tools138
Full listingView Code Lens View Overleaf MCP

Tools & capabilities

Code Lens tools 13

  • generate_diffCapture git diff (unstaged/staged) and cache server-side
  • analyze_pr_impactAssess severity, categories, breaking changes, rollback complexity
  • generate_review_summaryPR summary, risk rating, merge recommendation
  • generate_test_planPrioritized test cases and coverage guidance
  • analyze_time_space_complexityBig-O complexity analysis and degradation detection
  • detect_api_breaking_changesDetect breaking API/interface changes
  • load_fileCache a source file for analysis tools
  • refactor_codeComplexity, duplication, naming, grouping suggestions
  • detect_code_smellsStructural code smells (Fowler taxonomy)
  • generate_documentationJSDoc/TSDoc/docstring stubs for public exports
  • ask_about_codeNatural-language Q&A about a cached file
  • verify_logicVerify algorithms via Gemini code execution sandbox
  • +1 more on the listing page

Overleaf MCP tools 8

  • list_projectsList all configured Overleaf projects
  • list_filesList files in an Overleaf project
  • read_fileRead a file from an Overleaf project
  • get_sectionsGet all sections from a LaTeX file
  • get_section_contentGet content of a specific section
  • status_summaryGet a comprehensive project status summary
  • write_fileWrite content to a file in an Overleaf project and push to Overleaf
  • write_sectionReplace a single section in a LaTeX file and push to Overleaf. Safer than write_file for targeted edits — only the named section is replaced, leaving the rest of the file untouched.

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.

Code Lens

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "code-lens": {
      "command": "npx",
      "args": [
        "-y",
        "@j0hanz/code-lens-mcp@latest"
      ],
      "env": {
        "GEMINI_API_KEY": "YOUR_GEMINI_API_KEY_HERE",
        "GOOGLE_API_KEY": "YOUR_GOOGLE_API_KEY_HERE"
      }
    }
  }
}

Overleaf MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "mjyoo2-overleaf-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mjyoo2/overleaf-mcp"
      ],
      "env": {
        "OVERLEAF_PROJECT_ID": "YOUR_OVERLEAF_PROJECT_ID_HERE",
        "OVERLEAF_GIT_TOKEN": "YOUR_OVERLEAF_GIT_TOKEN_HERE",
        "OVERLEAF_GIT_TOKEN_FILE": "YOUR_OVERLEAF_GIT_TOKEN_FILE_HERE",
        "OVERLEAF_PROJECT_NAME": "YOUR_OVERLEAF_PROJECT_NAME_HERE",
        "OVERLEAF_PROJECTS_CONFIG": "YOUR_OVERLEAF_PROJECTS_CONFIG_HERE"
      }
    }
  }
}

Frequently asked questions

Code Lens is categorized under Developer Tools and uses a local stdio subprocess. Overleaf MCP belongs to Developer Tools and uses a local stdio subprocess. Pick Code Lens for developer tools work and Overleaf MCP for developer tools.

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.

Code Lens has no declared pricing — check the project's own site. Overleaf MCP has no declared pricing — check the project's own site. Auth: api key required. 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 code-lens and mjyoo2-overleaf-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Code Lens has a quality signal of 47/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Overleaf MCP has 65/100 (Great) with 0 views, 0 installs and 329 GitHub stars.

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