mcpcost

io.github.actimod/onaa-registry

ONAA Registry

Is the ONAA Registry MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.

Find stores AI agents can buy from, with each store's tested checkout requirements. Links only.

alive probed 2026-11-14 · HTTP 200

12tools
6.8ktokens in Claude Opus 5.5
3.4 %of Claude's 200k window
2.7×the median server
427 msto initialize
496 msto list tools
Endpoint
https://api.onaa.net/mcp (streamable-http)
Host
api.onaa.net
Protocol
2025-11-25
Reports itself as
onaa-registry 0.1.0
Capabilities
prompts, resources, tools
Instructions
1 144 characters
Of a 1M window
0.7 % of a 1M context window
Count
6.8k tokens in Claude Opus 5.5, exact, measured 2026-11-14. With the Claude Code prefix mcp__…__ on each tool name: 6.9k. The o200k_base estimate is 3.8k. Counted again when the tool definitions change. Method.
Repository
https://github.com/actimod/onaa-protocol
Website
https://api.onaa.net/
Registry
active, updated 2026-11-14 · 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, 1.78×.

Tool≈ Claude tokenso200k estimateShare of this server
search_services1 7831 00426 %
search_agents1 26871419 %
self_register_start1 02157515 %
find_stores73541411 %
can_i_buy_here5032837 %

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More servers

Servers that mention registry.

History

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

ProbedResultInitToolsClaudeo200k
2026-11-14 10:53alive517 ms126.8k3.8k
2026-11-13 11:33alive427 ms94.3k2.4k

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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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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

Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.