io.github.Jonahbkerr/yocoolab
yocoolab
Pin visual feedback on any live web page and send it to Claude Code, Cursor or your AI agent.
alive probed 2026-10-19
14tools
≈ 2.0ktokens, estimate
≈ 1.0 %of Claude's 200k window
1.4×the median server
425 msto initialize
13 msto list tools
- Run it
- npx -y @yocoolab/mcp-server@3.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- yocoolab 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- ≈ 0.2 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: invalid x-api-key. The estimate stands in.
- Repository
- https://github.com/Yocoolab/mcp-server
- Registry
- active, updated 2026-10-03 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| mark_thread_addressed | 324 | 16 % |
| ai_analyze_page | 256 | 13 % |
| create_pr_for_thread | 248 | 12 % |
| list_open_threads | 180 | 9 % |
| get_element_context | 169 | 8 % |
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 Anthropic count_tokens endpoint refused the tool schemas (invalid x-api-key). A client that validates schemas can refuse them too.