cn.pianam/devtools-mcp
devtools-mcp
Is the cn.pianam/devtools-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-10.
MCP server with 5 offline developer tools: UUID, timestamp, unit conversion, JSON tools and QR code.
alive probed 2026-11-15 · unchanged since 2026-11-10 · HTTP 200
- Endpoint
- https://pianam.cn/devtools-mcp/mcp (streamable-http)
- Host
- pianam.cn
- Protocol
- 2025-11-25
- Reports itself as
- devtools-mcp 4.1.3
- Capabilities
- logging, prompts, resources, tools
- Instructions
- none
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 2.6k tokens in Claude Opus 5.5, exact, measured 2026-11-10. With the Claude Code prefix mcp__…__ on each tool name: 2.7k. The o200k_base estimate is 1.6k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/boy-373/devtools-mcp
- Registry
- active, updated 2026-11-09 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.68×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| resolve_dns | 445 | 265 | 17 % |
| convert_timestamp | 438 | 261 | 17 % |
| generate_uuid | 433 | 258 | 16 % |
| convert_unit | 398 | 237 | 15 % |
| generate_qr | 359 | 214 | 14 % |
Compare this server with others, or with the servers that share its tool set.
Same tool set as 1 other server
These registry entries have the same tool names and the same schema sizes.
- cn.pianam.mcp/devtools-mcp mcp.pianam.cn
More servers
Other registry entries on pianam.cn, the ones next to this name; all of them.
- cn.pianam/12306-train-mcp · alive
- cn.pianam/adcheck-mcp · alive
- cn.pianam/calendar-mcp · alive
- cn.pianam/classical-mcp · alive
- cn.pianam/exchange-rate-mcp · alive
- cn.pianam/express-mcp · alive
- cn.pianam/fuel-mcp · alive
- cn.pianam/handict-mcp · alive
Servers that mention devtools.
- cn.pianam.mcp/devtools-mcp · alive
- com.clauxel.chromedevtoolsmcp/chromedevtoolsmcp-mcp · no DNS
- Busymate DevTools dev.busymate/busymate-devtools · alive
- dev.workers.marvin-odigo.mcp/krabbot-devtools · alive
- Lead Enrichment API io.github.Compuute/lead-enrichment · alive
- Piranha Vision & DevTools io.github.albermm/piranha-vision · error
- io.github.serkan-ozal/browser-devtools-mcp · needs your URL
- xpay DevTools io.github.xpaysh/devtools · needs your URL
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.