io.github.ej-technologies/jprofiler-mcp
JProfiler
Is the JProfiler MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-14.
Java profiling with AI agent integration. Profile CPU, memory, JDBC, HTTP and more.
alive probed 2026-11-14
- Run it
- npx -y @ej-technologies/jprofiler-mcp@16.3.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- JProfiler 16.3.1
- Capabilities
- resources, tools
- Instructions
- 9 437 characters
- Of a 1M window
- 2.4 % of a 1M context window
- Count
- 24k tokens in Claude Opus 5.5, exact, measured 2026-10-28. With the Claude Code prefix mcp__…__ on each tool name: 24k. The o200k_base estimate is 14k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ej-technologies/jprofiler-mcp
- Registry
- active, updated 2026-11-13 · 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, 1.71×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| prepare_profiling | 7 848 | 4 597 | 32 % |
| attach | 7 670 | 4 493 | 32 % |
| query | 6 158 | 3 607 | 25 % |
| attached_action | 1 600 | 937 | 7 % |
| create_heap_dump | 357 | 209 | 1 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.egulatee/codecov · alive
- TrustList io.github.eharain/trustlist · alive
- io.github.ehsanghaffar/ganjoor-mcp-server · alive
- SlideCraft io.github.eiler2005/slidecraft · alive
- io.github.ejfkdev/zread-mcp · alive
- BrandKit MCP io.github.ejwhite7/brandkit-mcp · alive
- Cronometer io.github.ekelly95/cronometer-mcp · needs env
- io.github.elagerway/magpipe · needs env
Servers that mention profiling or profile.
- 1325.AI ai.1325/mcp · needs auth
- Contractors Near Me ai.contractorsnearme/contractors-near-me · needs auth
- LinkedIn MCP Server ai.com.mcp/linkedin · not MCP
- Drone Intelligence ai.droneintelligence/drone-intelligence · alive
- Fonzi Recruiter ai.fonzi/company · needs auth
- Fonzi Talent ai.fonzi/talent · needs auth
- ai.gigaverse/gigaverse · alive
- KOLens ai.kolens/kolens-mcp · needs auth
History
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 06:53 | alive | 190 ms | 8 | 14k | |
| 2026-10-20 06:41 | alive | 373 ms | 9 | 1.4k |
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
- This server is in the heaviest 10 % of the registry. Its 5 most expensive tools are 98 % of the cost. Shorter descriptions, fewer optional parameters and fewer tools cut the cost. The command npx mcpcost --url <endpoint> --tools 50 lists every tool with its cost.