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

DimensionPaper Search MCPMCP server for searching and downloading academic papers from multiple sourcesFirecrawl MCP ServerFirecrawl's official MCP server for web search, scraping, and structured extraction for AI agents
FMRS62 / 100 · C75 / 100 · B
Reliability9 / 2013 / 20
Security and permissions12 / 2012 / 20
Maintenance14 / 2016 / 20
Documentation14 / 2017 / 20
Setup experience13 / 2017 / 20
Best for
  • Researchers needing to search and download papers from multiple open-access sources
  • Developers wanting to integrate paper retrieval into MCP clients like Claude Desktop
  • Cost-conscious users who prefer free public data sources
  • Scenarios needing clean, structured web context fed to an AI assistant
  • Users already on the Firecrawl platform who want to call its scraping capability directly via MCP
Not for
  • Users needing full features from commercial databases (e.g., IEEE, ACM)
  • Users requiring complete full-text downloads without configuring optional API keys or proxies (some sources are limited)
  • Users running in environments without network access or strict firewalls
  • Simple static-page scraping where you don't want to depend on a third-party API and incur call costs
  • Sites that explicitly disallow automated access (robots.txt)
Required permissions
  • Requires network access to call multiple academic APIs
  • May need to write to the local filesystem to download PDFs
  • Optional environment variables for API keys, stored in the user config directory
  • Requires a Firecrawl API key to call; cost and quota are governed by the Firecrawl account
  • firecrawl_agent/firecrawl_interact perform automated browser interaction, which may trigger login or form-submission flows on the target site
Risks and side effects
  • Dependency on external API stability; some sources may fail due to upstream limitations
  • Google Scholar may trigger bot detection and require proxy settings
  • Use of Sci-Hub carries legal and policy risks; users are responsible
  • Bulk crawl/map tools can generate significant request volume against a target site — respect the site's rate limits and terms of service
  • firecrawl_agent's interactive action chain is longer — define task boundaries clearly before running it to avoid accidentally triggering actions on a sensitive site
Supported clientsClaude DesktopClaude Desktop, VS Code, Cursor, Windsurf, Zed, Amp
Tools211