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Zero-auth research MCP server — web, GitHub, HN, Stack Overflow, OpenAlex, YouTube. No keys needed.
Zero-auth research MCP server — web, GitHub, HN, Stack Overflow, OpenAlex, YouTube. No keys needed.
Valid MCP server (1 strong, 3 medium validity signals). 12 known CVEs in dependencies (1 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.
12 files analyzed · 13 issues found
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Set these up before or after installing:
Environment variable: GITHUB_TOKEN
Environment variable: OPENALEX_EMAIL
Environment variable: STACKEXCHANGE_KEY
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-olanokhin-openresearch-mcp": {
"env": {
"GITHUB_TOKEN": "your-github-token-here",
"OPENALEX_EMAIL": "your-openalex-email-here",
"STACKEXCHANGE_KEY": "your-stackexchange-key-here"
},
"args": [
"openresearch-mcp"
],
"command": "uvx"
}
}
}From the project's GitHub README.
Zero-auth multi-source research MCP server. Works with Claude Desktop, Cursor, OpenCode, Open WebUI, or any MCP-compatible agent — no API keys required.
| Tool | Source | Notes |
|---|---|---|
web_search | DuckDuckGo | Optional site= param to scope to a domain (e.g. arxiv.org) |
read_url | Any webpage | Strips nav/scripts, returns clean text |
read_pdf | Any PDF or arXiv | Accepts /abs/, /pdf/, /html/ arXiv URLs interchangeably |
search_openalex | OpenAlex | 250M+ works, zero rate limiting; set OPENALEX_EMAIL for polite pool |
search_hacker_news | HN via Algolia | Story search with points + comment counts |
search_stackoverflow | Stack Overflow API | Set STACKEXCHANGE_KEY for higher quota |
read_repo | GitHub public repos | README + file tree + key docs; set GITHUB_TOKEN for 5k req/hr |
get_youtube_transcript | YouTube captions | Accepts full URLs, youtu.be/ links, shorts, or bare video IDs |
The server is listed on the official MCP Registry as io.github.olanokhin/openresearch-mcp. Registry-aware clients can discover and install it without manual config — search for openresearch-mcp in your client's MCP browser.
# Zero install, always isolated — recommended for manual use
uvx openresearch-mcp
# Or install globally
pip install openresearch-mcp
openresearch-mcp
By default the server starts on http://127.0.0.1:8000/mcp (Streamable HTTP, MCP 1.1+) — bound to loopback so it is not exposed to your local network. To expose it (e.g. in a container or behind a gateway), bind all interfaces explicitly:
# Custom port
uvx openresearch-mcp --port 9000
# Bind all interfaces (only behind an auth/rate-limit gateway)
uvx openresearch-mcp --host 0.0.0.0 --port 9000
Note: when binding beyond loopback, put an auth/rate-limit gateway in front. The server is zero-auth by design, and
read_url/read_pdffetch arbitrary URLs (private/link-local/loopback ranges are blocked to prevent SSRF, but rate limiting is your responsibility).
# uvx
uvx --refresh openresearch-mcp
# pip
pip install --upgrade openresearch-mcp
Edit ~/Library/Application Support/Claude/claude_desktop_config.json
(Windows: %APPDATA%\Claude\claude_desktop_config.json)
{
"mcpServers": {
"openresearch": {
"command": "uvx",
"args": ["openresearch-mcp", "--stdio"]
}
}
}
Restart Claude Desktop after saving. The server runs in stdio mode — no port needed.
Create or edit ~/.cursor/mcp.json (global) or .cursor/mcp.json (per-project):
{
"mcpServers": {
"openresearch": {
"command": "uvx",
"args": ["openresearch-mcp", "--stdio"]
}
}
}
Start the server:
uvx openresearch-mcp
# or: openresearch-mcp
Point your agent at:
http://localhost:8000/mcp
All tools work without any keys. Set these to increase rate limits:
| Variable | Effect |
|---|---|
GITHUB_TOKEN | GitHub: 60 → 5,000 req/hr |
OPENALEX_EMAIL | OpenAlex polite pool (higher limits) |
STACKEXCHANGE_KEY | Stack Overflow: higher daily quota |
Example with keys:
GITHUB_TOKEN=ghp_... OPENALEX_EMAIL=you@example.com uvx openresearch-mcp
Or in Claude Desktop config:
{
"mcpServers": {
"openresearch": {
"command": "uvx",
"args": ["openresearch-mcp", "--stdio"],
"env": {
"GITHUB_TOKEN": "ghp_...",
"OPENALEX_EMAIL": "you@example.com"
}
}
}
}
When running in HTTP mode, check which sources are reachable:
curl http://localhost:8000/health
{
"status": "ok",
"sources": {
"duckduckgo": { "status": "ok", "latency_ms": 173 },
"github": { "status": "ok", "latency_ms": 101 },
"hacker_news": { "status": "ok", "latency_ms": 308 },
"stackoverflow": { "status": "ok", "latency_ms": 247 },
"openalex": { "status": "ok", "latency_ms": 412 },
"youtube": { "status": "ok", "latency_ms": 320 }
}
}
status is "ok", "degraded" (some sources down), or "down" (all unreachable). HTTP 200 / 503.
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