Alternatives to Research Chain
One call, one paper: everything openly available around it — full text, license, datasets, code…
Research Chain is tagged Search, AI, DevTools. The servers below cover similar ground, ranked by how many tags they share with it, then by GitHub stars.
Serena MCP: the IDE for your agent
by oraios
A powerful toolkit for coding, providing semantic retrieval and editing capabilities.
uvx serena-agent@1.5.3Inbox Zero
by elie222
Search Gmail and Outlook, save drafts, manage email rules, and view email stats.
https://www.getinboxzero.com/mcpbrave-search-mcp-server
by brave
Brave Search MCP Server: web results, images, videos, rich results, AI summaries, and more.
npx -y @brave/brave-search-mcp-server@2.1.3Octocode MCP - AI Context Platform
by bgauryy
AI code research platform. Search, analyze, and extract insights from any GitHub repository.
npx -y octocode-mcp@7.0.9blockrun-mcp
by blockrunai
Web search, deep research, prediction markets & crypto data for AI agents. Pay per call via x402.
npx -y @blockrun/mcp@0.55.0Octocode
by Muvon
AI-powered code indexer with semantic search and knowledge graphs
npx -y @muvon/octocode@0.29.0Google Maps MCP Server
by cablate
18 Google Maps tools for AI agents — geocode, search, directions, weather, and more.
npx -y @cablate/mcp-google-map@0.0.69shodh-memory
by varun29ankuS
Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs.
npx -y @shodh/memory-mcp@0.2.0Search Console MCP
by saurabhsharma2u
Google Search Console + Bing + GA4 + AdSense — unified SEO intelligence for AI agents.
npx -y search-console-mcp@2.1.40Latency Memory
by io.github.jghiglia2380
Persistent memory layer for AI agents. Sub-100ms recall, semantic search, knowledge graphs.
https://mcp.0latency.ai/mcp?key={api_key}13FLOW
by io.github.bluetouff
Source-linked SEC 13F research, quality checks, watchlists and audit trails for agents.
https://13flow.eu/api/mcpa2asearch-mcp
by io.github.tadas-github
Search 10,000+ AI agents, MCP servers, and CLI tools via A2ASearch from any MCP client.
npx -y a2asearch-mcp@1.1.5