com.plainerror/plainerror

PlainError

Is the PlainError MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

Plain-English fixes for Windows, PC games, and code. Search or paste an error. No account needed.

alive probed 2026-11-14 · unchanged since 2026-11-13 · HTTP 200

3tools

691tokens in Claude Opus 5.5

0.3 %of Claude's 200k window

0.3×the median server

135 msto initialize

42 msto list tools

Endpoint: https://plainerror.com/mcp (streamable-http)
Host: plainerror.com
Protocol: 2025-11-25
Reports itself as: plainerror 0.5.28
Capabilities: tools
Instructions: 513 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 691 tokens in Claude Opus 5.5, exact, measured 2026-11-11. With the Claude Code prefix mcp__…__ on each tool name: 718. The o200k_base estimate is 415. Counted again when the tool definitions change. Method.
Website: https://plainerror.com/mcp-server
Registry: active, updated 2026-11-11 · 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
explain_error	275	165	40 %
search_fixes	211	127	31 %
get_fix	205	123	30 %

Servers that mention account or english.

AdAdvisor MCP Server ai.adadvisor/mcp-server · needs auth
Inside Ads ad.inside/inside-ads · alive
One-Page Readiness Check — 10 Signals, Arabic or English ai.advisorsai/store-readiness · alive
AIﾉアカリ☆ One-Minute Akari ai.ai-akari/one-minute-akari · paid (402)
ai.augmentev/paseo · needs auth
ai.aqta/seal · alive
Google Ads ai.b77/google-ads · needs auth
Bindry ai.bindry/bindry · needs auth

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.