MCP server for scientific grounding: search arXiv, OpenAlex, Crossref, Semantic Scholar, PubMed — references/citations from paywalled journals via public metadata
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add find-research-papers --env FIND_RESEARCH_PAPERS_MCP_S2_API_KEY='<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>' -- npx -y find-research-papers-mcp~/.codex/config.toml
[mcp_servers.find-research-papers]
command = "npx"
args = ["-y", "find-research-papers-mcp"]
env = { FIND_RESEARCH_PAPERS_MCP_S2_API_KEY = "<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>" }
# codex mcp add find-research-papers --env FIND_RESEARCH_PAPERS_MCP_S2_API_KEY='<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>' -- npx -y find-research-papers-mcp~/.cursor/mcp.json
{
"mcpServers": {
"find-research-papers": {
"command": "npx",
"args": [
"-y",
"find-research-papers-mcp"
],
"env": {
"FIND_RESEARCH_PAPERS_MCP_S2_API_KEY": "<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"find-research-papers": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"find-research-papers-mcp"
],
"env": {
"FIND_RESEARCH_PAPERS_MCP_S2_API_KEY": "<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"find-research-papers": {
"command": "npx",
"args": [
"-y",
"find-research-papers-mcp"
],
"env": {
"FIND_RESEARCH_PAPERS_MCP_S2_API_KEY": "<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"find-research-papers": {
"command": "npx",
"args": [
"-y",
"find-research-papers-mcp"
],
"env": {
"FIND_RESEARCH_PAPERS_MCP_S2_API_KEY": "<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"find-research-papers": {
"command": "npx",
"args": [
"-y",
"find-research-papers-mcp"
],
"env": {
"FIND_RESEARCH_PAPERS_MCP_S2_API_KEY": "<FIND_RESEARCH_PAPERS_MCP_S2_API_KEY>"
}
}
}
}Environment variables
FIND_RESEARCH_PAPERS_MCP_S2_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.