io.github.apurvsinghgautam/robin

Robin: AI-Powered Dark Web OSINT

Is the Robin MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

Dark web OSINT over Tor: search onion engines, scrape pages, report with your own model.

alive probed 2026-11-14 · unchanged since 2026-10-30

9tools

4.2ktokens in Claude Opus 5.5

2.1 %of Claude's 200k window

1.7×the median server

5.4 sto initialize

4 msto list tools

Run it: docker run -i --rm docker.io/apurvsg/robin:v3.1 (stdio, probed in a container with the network off)
Host: docker.io
Reports itself as: robin 1.30.0
Capabilities: experimental, prompts, resources, tools
Instructions: 5 335 characters
Of a 1M window: 0.4 % of a 1M context window
Count: 4.2k tokens in Claude Opus 5.5, exact, measured 2026-10-30. With the Claude Code prefix mcp__…__ on each tool name: 4.3k. The o200k_base estimate is 2.6k. Counted again when the tool definitions change. Method.
Repository: https://github.com/apurvsinghgautam/robin
Registry: active, updated 2026-10-03 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.65×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
robin_scrape	1 079	654	25 %
robin_save_investigation	754	457	18 %
robin_search	701	425	17 %
robin_investigate	561	340	13 %
robin_filter	465	282	11 %

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

io.github.andrasfe/vulnicheck · not probed
Arm MCP Server io.github.arm/arm-mcp · timeout
io.github.arvindand/maven-tools-mcp · crashed on start
Append Log MCP io.github.bobbyhouse/append-log-mcp · needs env
Project Gutenberg MCP io.github.bobbyhouse/project-gutenberg-mcp · needs env
SonarQube MCP Server io.github.SonarSource/sonarqube-mcp-server · alive
MCP Database Server io.github.Souhar-dya/mcp-db-server · crashed on start
Polar Health Data (self-hosted) io.github.StuMason/polar-flow-server · not probed

Servers that mention robin.

hood. — .hood name service ag.hood/name-service · alive
DripMetrics ai.dripmetrics/mcp · alive
ai.firmbrain/x402-services · not found
RobinLawyer.ai ai.robinlawyer/robinlawyer · needs auth
Otto Data — Robinhood Chain app.ottodata/otto · server error
Ladderboard — round-robin ladders and match scores for small clubs app.rowb.ladder/board · alive
BlockVectra Docs: Robinhood Chain & EVM com.blockvectra/docs · alive
FieldRobin com.fieldrobin/fieldrobin · alive

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.