com.madebydevx.approvals/approvals

Base Approval Risk Check

Is the Base Approval Risk Check MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-06.

Find risky ERC-20 approvals on a Base wallet and get revoke calldata. Paid x402 report.

alive probed 2026-11-15 · unchanged since 2026-11-06 · HTTP 200

2tools

238tokens in Claude Opus 5.5

0.1 %of Claude's 200k window

0.1×the median server

361 msto initialize

330 msto list tools

Endpoint: https://approvals.madebydevx.com/mcp (streamable-http)
Host: approvals.madebydevx.com
Protocol: 2025-11-25
Reports itself as: devx-approvals 1.0.0
Capabilities: tools
Instructions: 155 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 238 tokens in Claude Opus 5.5, exact, measured 2026-11-06. With the Claude Code prefix mcp__…__ on each tool name: 254. The o200k_base estimate is 133. Counted again when the tool definitions change. Method.
Website: https://approvals.madebydevx.com
Registry: active, updated 2026-11-06 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
approvals_quote	140	78	59 %
approvals_check_address	98	55	41 %

Servers that mention approvals.

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.

Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.