mcpcost

io.github.emiliaprotocol/mcp-server

Emilia Protocol

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

Exact-action approval for consequential agent actions: request, track, and verify signed receipts.

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

3tools
918tokens in Claude Opus 5.5
0.5 %of Claude's 200k window
0.4×the median server
122 msto initialize
6 msto list tools
Run it
npx -y @emilia-protocol/mcp-server@2.1.4 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
emilia-protocol 2.1.4
Capabilities
prompts, resources, tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
918 tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 948. The o200k_base estimate is 507. Counted again when the tool definitions change. Method.
Repository
https://github.com/emiliaprotocol/emilia-protocol
Website
https://www.emiliaprotocol.ai/mcp
Registry
active, updated 2026-10-04 · 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 tokenso200k estimateShare of this server
ep_guard_action56731362 %
ep_check_signoff19410721 %
ep_verify_receipt1588717 %

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

Servers that mention emilia.

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mcpcost: 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.

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

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