coffee.402/mcp

402coffee

Is the coffee.402/mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Trust layer for agent payments (x402, Base): verify agents, risk scores, signed escrow verdicts.

alive probed 2026-11-14 · unchanged since 2026-10-27

10tools

2.3ktokens in Claude Opus 5.5

1.2 %of Claude's 200k window

0.9×the median server

350 msto initialize

40 msto list tools

Run it: npx -y 402coffee-mcp@0.1.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: 402coffee 0.1.0
Capabilities: tools
Instructions: none
Of a 1M window: 0.2 % of a 1M context window
Count: 2.3k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 2.4k. The o200k_base estimate is 1.3k. Counted again when the tool definitions change. Method.
Registry: active, updated 2026-07-10 · 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, 1.74×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
arbiter_verify	508	292	22 %
certify	250	144	11 %
behavioural_test_info	250	144	11 %
score_wallet	235	135	10 %
verify_agent	224	129	10 %

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

Servers that mention coffee.

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

Probed	Result	Init	Tools	Claude	o200k
2026-10-27 06:51	alive	313 ms	10	2.3k	1.3k
2026-10-20 06:39	alive	350 ms	10		1.3k

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.