mcpcost

io.github.ryudi84/jwt-forge-mcp

jwt-forge

Is the io.github.ryudi84/jwt-forge-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-26.

Decode and inspect JWT tokens — header, payload, expiry check

alive probed 2026-11-14 · unchanged since 2026-10-26

2tools
250tokens in Claude Opus 5.5
0.1 %of Claude's 200k window
0.1×the median server
364 msto initialize
8 msto list tools
Run it
npx -y jwt-forge-mcp@1.0.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
jwt-forge 1.0.0
Capabilities
tools
Instructions
62 characters
Of a 1M window
<0.1 % of a 1M context window
Count
250 tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 280. The o200k_base estimate is 138. Counted again when the tool definitions change. Method.
Repository
https://github.com/ryudi84/sovereign-mcp-servers
Registry
active, updated 2026-02-25 · 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, 1.81×.

Tool≈ Claude tokenso200k estimateShare of this server
validate_jwt_format1387655 %
decode_jwt1126245 %

Compare this server with others, or with the servers that share its tool set.

Same tool set as 1 other server

These registry entries have the same tool names and the same schema sizes.

More servers

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

Servers that mention forge.

History

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

ProbedResultInitToolsClaudeo200k
2026-10-26 07:03alive197 ms2250138
2026-10-19 06:55alive364 ms2138

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