mcpcost

io.github.nirholas/marketplace-mcp

three.ws Marketplace

Is the three.ws Marketplace MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

Browse and discover the public three.ws agent marketplace and skills catalog. Read-only.

alive probed 2026-11-15 · unchanged since 2026-10-31

5tools
1.3ktokens in Claude Opus 5.5
0.7 %of Claude's 200k window
0.5×the median server
290 msto initialize
11 msto list tools
Run it
npx -y @three-ws/marketplace-mcp@0.1.3 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
marketplace-mcp 0.1.3
Capabilities
tools
Instructions
726 characters
Of a 1M window
0.1 % of a 1M context window
Count
1.3k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 1.4k. The o200k_base estimate is 780. Counted again when the tool definitions change. Method.
Repository
https://github.com/nirholas/three.ws
Website
https://three.ws
Registry
active, updated 2026-10-10 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.68×.

Tool≈ Claude tokenso200k estimateShare of this server
browse_skills44426434 %
browse_agents43225733 %
agent_detail19511615 %
skill_categories1287610 %
agent_categories113679 %

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