AnModel Context Protocol (MCP) server for the Unpaywall API. Search article titles, fetch DOI metadata, retrieve best open‑access links, and extract text from OA PDFs—ready for Claude Desktop and any MCP‑compatible client. Ideal for LLM research assistants, literature review, and academic workflows.
接入配置
选择客户端，复制配置，再按项目文档补齐环境变量。
claude mcp add unpaywall --env UNPAYWALL_EMAIL='<UNPAYWALL_EMAIL>' -- node dist/index.js~/.codex/config.toml
[mcp_servers.unpaywall]
command = "node"
args = ["dist/index.js"]
env = { UNPAYWALL_EMAIL = "<UNPAYWALL_EMAIL>" }
# codex mcp add unpaywall --env UNPAYWALL_EMAIL='<UNPAYWALL_EMAIL>' -- node dist/index.js~/.cursor/mcp.json
{
"mcpServers": {
"unpaywall": {
"command": "node",
"args": [
"dist/index.js"
],
"env": {
"UNPAYWALL_EMAIL": "<UNPAYWALL_EMAIL>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"unpaywall": {
"type": "stdio",
"command": "node",
"args": [
"dist/index.js"
],
"env": {
"UNPAYWALL_EMAIL": "<UNPAYWALL_EMAIL>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"unpaywall": {
"command": "node",
"args": [
"dist/index.js"
],
"env": {
"UNPAYWALL_EMAIL": "<UNPAYWALL_EMAIL>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"unpaywall": {
"command": "node",
"args": [
"dist/index.js"
],
"env": {
"UNPAYWALL_EMAIL": "<UNPAYWALL_EMAIL>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"unpaywall": {
"command": "node",
"args": [
"dist/index.js"
],
"env": {
"UNPAYWALL_EMAIL": "<UNPAYWALL_EMAIL>"
}
}
}
}需要的环境变量
UNPAYWALL_EMAIL
把占位值换成你自己的密钥；不要把密钥提交到代码仓库。