io.github.j0hanz/code-lens
Code Lens
Is the Code Lens MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Gemini-powered MCP server for code analysis.
alive probed 2026-11-14 · unchanged since 2026-10-30
13tools
3.1ktokens in Claude Opus 5.5
1.5 %of Claude's 200k window
1.2×the median server
428 msto initialize
14 msto list tools
- Run it
- npx -y @j0hanz/code-lens-mcp@0.12.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- code-lens 0.12.0
- Capabilities
- completions, logging, prompts, resources, tasks, tools
- Instructions
- 7 069 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.1k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 3.2k. The o200k_base estimate is 1.7k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/j0hanz/code-lens
- Website
- https://github.com/j0hanz/code-lens#readme
- Registry
- active, updated 2026-03-09 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| web_search | 377 | 210 | 12 % |
| generate_test_plan | 299 | 167 | 10 % |
| verify_logic | 271 | 151 | 9 % |
| refactor_code | 262 | 146 | 8 % |
| generate_diff | 258 | 144 | 8 % |
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Servers that mention code.
- Bring Your AI ai.bringyour/bringyour · alive
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- ai.byteask/embedded-docs · alive
- ai.docuwriter/docuwriter · needs auth
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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.