io.github.vola-trebla/playwright-trace-decoder-mcp
playwright-trace-decoder
MCP server for unpacking and analyzing Playwright trace.zip archives
alive probed 2026-10-19
16tools
≈ 2.2ktokens, estimate
≈ 1.1 %of Claude's 200k window
1.6×the median server
480 msto initialize
15 msto list tools
- Run it
- npx -y playwright-trace-decoder-mcp@0.2.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- playwright-trace-decoder 0.2.3
- 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/vola-trebla/playwright-trace-decoder-mcp
- Registry
- active, updated 2026-05-19 · 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 |
|---|---|---|
| detect_performance_anomalies | 263 | 12 % |
| get_screenshot_at_failure | 178 | 8 % |
| extract_trace_metadata_strict | 173 | 8 % |
| get_aria_accessibility_tree | 163 | 7 % |
| correlate_dom_and_network | 158 | 7 % |
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.