mcpcost

com.yaktool/gs1

yaktool-gs1

Is the com.yaktool/gs1 MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.

GS1 element strings, DataMatrix, eight keys, ITF-14 print specs and price-embedded in-store codes.

alive probed 2026-11-15 · unchanged since 2026-11-01

7tools
6.7ktokens in Claude
3.3 %of Claude's 200k window
2.7×the median server
177 msto initialize
9 msto list tools
Run it
npx -y yaktool-gs1-mcp@0.3.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
yaktool-gs1 0.3.0
Capabilities
tools
Instructions
none
Of a 1M window
0.7 % of a 1M context window
Count
6.7k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 6.7k. The o200k_base estimate is 4.2k. Counted again when the tool definitions change. Method.
Registry
active, updated 2026-09-07 · 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, 1.58×.

Tool≈ Claude tokenso200k estimateShare of this server
check_itf14_spec1 40688821 %
decode_variable_measure_code1 26079619 %
build_variable_measure_code1 15172717 %
generate_gs1_datamatrix90957414 %
build_gs1_element_string85253813 %

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 yaktool or datamatrix or embedded.

History

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

ProbedResultInitToolsClaudeo200k
2026-10-25 06:51alive198 ms76.7k4.2k
2026-10-18 06:37alive177 ms74.2k

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.

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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