mcpcost

io.github.callstack/agent-device

agent-device

Is the agent-device MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

Open source device layer for AI agents: control mobile, web, TV, and desktop apps over MCP

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

62tools
≈ 32ktokens, estimate
≈ 16.0 %of Claude's 200k window
22×the median server
111 msto initialize
12 msto list tools
Run it
npx -y agent-device@0.21.37 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
agent-device 0.21.37
Capabilities
tools
Instructions
1 800 characters
Of a 1M window
≈ 3.2 % of a 1M context window, estimate
Claude count
The count_tokens endpoint refused the tool schemas: tools.13.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. The estimate stands in.
Repository
https://github.com/callstack/agent-device
Registry
active, updated 2026-11-12 · registry entry
Changes
6 recorded, reachable in 6 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

Estimates with the o200k_base tokenizer.

Toolo200k estimateShare of this server
open1 2124 %
click9243 %
gesture8923 %
press8853 %
scroll8283 %

Compare this server with others.

More servers

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

Servers that mention device.

History

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

ProbedResultInitToolsClaudeo200k
2026-11-13 08:47alive119 ms6232k
2026-11-03 08:36alive117 ms6240k
2026-10-30 07:47alive173 ms6240k
2026-10-27 06:52alive162 ms6239k
2026-10-24 06:30alive147 ms6239k
2026-10-17 06:14alive111 ms5936k

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