io.github.Opafex/mcp-approval-queue

opafex-approval-queue

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

Human approval gate for AI agents: risk-scored requests that only a person can approve

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

5tools

900tokens in Claude Opus 5.5

0.4 %of Claude's 200k window

0.4×the median server

381 msto initialize

6 msto list tools

Run it: npx -y @opafex/mcp-approval-queue@0.2.0 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: opafex-approval-queue 0.2.0
Capabilities: resources, tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 900 tokens in Claude Opus 5.5, exact, measured 2026-10-26. With the Claude Code prefix mcp__…__ on each tool name: 970. The o200k_base estimate is 539. Counted again when the tool definitions change. Method.
Repository: https://github.com/opafex/opafex-mcps
Registry: active, updated 2026-10-24 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.67×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
request_approval	523	313	58 %
list_pending	137	82	15 %
check_status	85	51	9 %
list_rules	83	50	9 %
server_info	72	43	8 %

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

Servers that mention approval.

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.