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shubhamshubhra/
lmstudio-web-research-mcp

Name: lmstudio-web-research-mcp
Availability: InStock

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LM Studio Web Research MCP

Assistant-style web access for local LM Studio models. This server gives models a small online research toolkit: search the open web, read pages or PDF URLs, and collect citation-ready evidence from top results.

This is not a crawler, local file tool, memory tool, or permanent RAG index. It uses free no-key search pages, direct HTTP fetches, optional Chromium rendering, PDF URL extraction, query-focused passage ranking, link discovery, and process-local session caching.

MCP Tools

web_search(query, max_results=10, freshness=None, site=None)
- Searches the open web and returns normalized title, url, source, snippet, and rank.
read_url(url, query=None, render=False)
- Reads one HTTP/HTTPS page or PDF URL and returns final_url, status_code, content_type, title, summary, text, links, and evidence. Captcha or anti-bot blocks return ok=false, blocked=true, block_type, and block_marker.
discover_links(url, query=None, render=False, file_types=None, limit=50)
- Pulls links and online files from a page. Use file_types=["pdf"] or similar when the model needs source documents.
research_web(query, max_results=8, read_top=4, freshness=None, site=None, render=False)
- Searches, reads top unique results, ranks evidence, and returns sources, evidence, citations, structured failures, blocked_sources, and manual_visit_links.

Quick Start

bash

python -m venv .venv
.venv\Scripts\activate
pip install -r requirements.txt
python -m playwright install chromium
python -m mcp_server.server

Default HTTP endpoint:

http://127.0.0.1:8000/mcp

For command-launched MCP clients, use MCP_TRANSPORT=stdio as shown in mcp.json.example.

Recommended Model Flow

Use research_web for most online questions.
Use web_search when the model needs to inspect candidate URLs first.
Use read_url for a specific source the user or search results provide.
Use discover_links when a page likely contains PDFs, reports, docs, datasets, or follow-up source links.
Use render=True in read_url, discover_links, or research_web when pages need JavaScript rendering.

What Was Missing

Search needed a no-key provider that is less challenge-prone than DuckDuckGo alone. The tool now tries Mojeek first, then DuckDuckGo HTML/lite if available.
Models needed source discovery, not just text extraction. read_url now returns page links, and discover_links can filter for PDFs and other online files.
Research results needed to preserve the search result attached to each fetched source, so models can explain why a source was opened.
The project needed to stop carrying old crawler/index/database files and settings.

Configuration

text

WEB_RESEARCH_LOG_PATH=.runtime/web_research.log
ALLOWED_DOMAINS=
USER_AGENT=Mozilla/5.0 ...
REQUEST_TIMEOUT=25
MAX_CONTENT_CHARS=120000
MCP_TRANSPORT=streamable-http
MCP_HOST=127.0.0.1
MCP_PORT=8000
BROWSER_HEADLESS=true
BROWSER_TIMEOUT_MS=30000
BROWSER_MAX_CONTENT_CHARS=60000
BROWSER_LOCALE=en-US
BROWSER_TIMEZONE_ID=Asia/Calcutta
BROWSER_PROFILE_DIR=

freshness supports day, week, month, and year when the underlying free search page honors the filter. ALLOWED_DOMAINS is optional and supports comma-separated wildcard patterns. BROWSER_PROFILE_DIR is optional; leave it empty for per-request browser profiles.

render=True uses Chromium through Playwright. BROWSER_HEADLESS=true keeps that browser in the background; set BROWSER_HEADLESS=false only when you need to watch or manually debug an authorized session.

Tests

python -m unittest discover -s tests -v

Notes

Search uses free no-key web pages, so it can be less reliable than a paid search API and may occasionally be challenged or rate-limited.
Search is live-only. Previously read pages are not stored in or returned from a persistent search index.
Cache is in-memory only and resets when the MCP process restarts.
Browser sessions use isolated temporary profiles by default.
Captcha and anti-bot challenges are reported as structured failures. The tool does not attempt to solve or bypass captchas; research_web skips blocked sources and continues with other live results.
When a source is blocked, research_web tries safe same-domain recovery candidates such as print, AMP, PDF, RSS, feed, and sitemap URLs. Successful recovered sources include recovered_from; blocked failures include recovery_attempts.
Blocked sources include manual_handoff guidance, and research_web returns top-level manual_visit_links that clients should show to the user. If you are authorized to access a page, open it manually, complete the site check yourself, then retry with an explicit BROWSER_PROFILE_DIR.
Respect site terms, robots policies, and rate limits.

Captcha and Blocked Pages

When a page is gated by captcha or anti-bot checks, read_url returns a structured blocked response:

json

{
  "ok": false,
  "blocked": true,
  "block_type": "captcha",
  "block_marker": "captcha"
}

research_web keeps going with other live results and also returns blocked_sources and manual_visit_links. Clients should show manual_visit_links directly to the user so they can open blocked pages in their own browser when they are authorized to do so. The tool does not use proxy rotation, captcha-solving services, or stealth-driver bypasses.

For blocked search results, research_web also tries safe same-domain alternates:

print-friendly query/path variants
AMP query/path variants
same-path PDF variants
same-domain sitemap.xml, RSS, and feed endpoints

If one works, the source includes recovered_from. If none work, the blocked failure includes recovery_attempts.

shubhamshubhra/lmstudio-web-research-mcp