mcpcost

dev.sarnai/certify

AI Agent Safety Foundational Certificate

Is the AI Agent Safety Foundational Certificate MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

AI Agent Safety Foundational Certificate: a wallet-signed 40-task exam. First 3 attempts free.

alive probed 2026-11-14 · unchanged since 2026-11-13 · HTTP 200

15tools
10ktokens in Claude Opus 5.5
5.1 %of Claude's 200k window
4.0×the median server
447 msto initialize
685 msto list tools
Endpoint
https://certify.sarnai.dev/mcp (streamable-http)
Host
certify.sarnai.dev
Protocol
2025-11-25
Reports itself as
agent-certificates 1.27.2
Capabilities
experimental, prompts, resources, tools
Instructions
774 characters
Of a 1M window
1.0 % of a 1M context window
Count
10k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 10k. The o200k_base estimate is 6.1k. Counted again when the tool definitions change. Method.
Website
https://sarnai.dev
Registry
active, updated 2026-11-10 · registry entry
Changes
2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.

Tool≈ Claude tokenso200k estimateShare of this server
safety_start_exam1 16569811 %
declare_certificate_update1 14368511 %
safety_start_exam_with_voucher1 11566811 %
safety_recheck_exam1 09365511 %
safety_retake_exam1 09065311 %

Compare this server with others.

More servers

Servers that mention certify.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-11-13 11:26alive660 ms1510k6.1k
2026-11-10 11:35alive447 ms159.5k5.7k

Badge for the README

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.

Atom feed

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

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