mcpcost

io.github.jmshinhwa/mcp-2026-migration-lint

@readystack/mcp-2026-migration-lint

The 2026-07-28 MCP revision removed the initialize handshake, sessions, ping and 4 more RPCs. 27 rul

alive probed 2026-10-15

3tools
335tokens in Claude Opus 5.5
386tokens in Claude Code
0.2 %of a 200k context window
193o200k_base estimate
111 msto initialize
2 msto list tools
Run it
npx -y @readystack/mcp-2026-migration-lint@0.1.5 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
@readystack/mcp-2026-migration-lint 1.0.0
Capabilities
tools
Instructions
none
Claude count
Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
Repository
https://github.com/jmshinhwa/readystack-themes
Registry
active, updated 2026-09-23 · registry entry
Reachable
1 of the last 1 probe

Most expensive tools

ToolTokens (o200k)Share of this server
check_dir7338 %
check_text7036 %
check_file5026 %

Badge and feed

mcpcost: alive

[![mcpcost](https://mcpcost.ulehla.dev/badge/io.github.jmshinhwa/mcp-2026-migration-lint.svg)](https://mcpcost.ulehla.dev/s/io.github.jmshinhwa/mcp-2026-migration-lint)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.