io.github.yubinbin32-ops/contextos
ContextOS — Powered Exoskeleton for AI Coding
Is the ContextOS MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.
Context exoskeleton for AI development: reduce token usage and context occupancy.
alive probed 2026-11-14 · unchanged since 2026-10-26
- Run it
- docker run -i --rm ghcr.io/yubinbin32-ops/contextos:3.0.3 (stdio, probed in a container with the network off)
- Host
- ghcr.io
- Reports itself as
- contextos 3.0.3
- Capabilities
- tools
- Instructions
- 1 214 characters
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 408 tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 416. The o200k_base estimate is 226. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/yubinbin32-ops/ContextOS
- Registry
- active, updated 2026-10-07 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.81×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| contextos | 408 | 226 | 100 % |
Compare this server with others.
More servers
Other registry entries on ghcr.io, the ones next to this name; all of them.
- io.github.ynishi/mlua-swarm · alive
- io.github.ynishi/outline-mcp · crashed on start
- MCP Greeting Server io.github.yotamfreund-eng/greeting · alive
- io.github.your-ko/mcp-k8s-ro · needs env
- mdflow — Context OS for AI Coding Agents io.github.yubinbin32-ops/mdflow · alive
- Whoop MCP Server io.github.yuridivonis/whoop-mcp-server · not probed
- Drone CI/CD MCP Server io.github.yusiwen/drone-mcp-server · alive
- p-e relay io.github.zaebee/p-e · alive
Servers that mention exoskeleton or coding.
- ac.snag/snag · needs auth
- Bunzee ai.bunzee/bunzee · needs auth
- Can I Vibe? — AI coding provider status ai.canivibe/status · alive
- FairMind Project Context ai.fairmind/project-context · needs auth
- ai.facesign/facesign-mcp · alive
- Giljo HQ ai.giljo/hq · needs auth
- ai.kernora/agent-sec · alive
- Maguyva ai.maguyva/maguyva · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.