mcpcost

io.github.frank-bot07/usrcp

USRCP — User Context Protocol

Encrypted local ledger of structured user state, shared across every MCP-aware AI tool.

alive probed 2026-10-15

13tools
5.2ktokens in Claude Opus 5.5
5.3ktokens in Claude Code
2.6 %of a 200k context window
2.9ko200k_base estimate
539 msto initialize
13 msto list tools
Run it
npx -y usrcp@0.2.7 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
usrcp-local 0.2.7
Capabilities
tools
Instructions
642 characters
Claude count
Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
Repository
https://github.com/frank-bot07/usrcp
Website
https://usrcp.dev
Registry
active, updated 2026-09-11 · registry entry
Reachable
1 of the last 1 probe

Most expensive tools

ToolTokens (o200k)Share of this server
usrcp_append_event43215 %
usrcp_update_identity31011 %
usrcp_set_fact30811 %
usrcp_get_state27810 %
usrcp_rotate_key2609 %

Badge and feed

mcpcost: alive

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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.