io.github.Opafex/mcp-web-research

@opafex/mcp-web-research

Is the io.github.Opafex/mcp-web-research MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.

Web search (Brave) and SSRF-safe page fetching, extraction and comparison for agents

alive probed 2026-11-14 · unchanged since 2026-10-26

6tools

1.2ktokens in Claude Opus 5.5

0.6 %of Claude's 200k window

0.5×the median server

231 msto initialize

5 msto list tools

Run it: npx -y @opafex/mcp-web-research@0.1.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: @opafex/mcp-web-research 0.1.0
Capabilities: resources, tools
Instructions: none
Of a 1M window: 0.1 % of a 1M context window
Count: 1.2k tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 1.3k. The o200k_base estimate is 706. Counted again when the tool definitions change. Method.
Repository: https://github.com/opafex/opafex-mcps
Registry: active, updated 2026-10-24 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.76×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
research_topic	300	171	24 %
web_search	248	141	20 %
fetch_webpage	234	133	19 %
extract_structured_data	198	113	16 %
compare_pages	184	105	15 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention research.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.