io.github.xs1128/perplexity-browser-mcp
Perplexity Browser MCP
Is the Perplexity Browser MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Search Perplexity using your browser login. Returns answers, sources, and thread URLs. No API key.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y perplexity-browser-mcp@1.4.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- perplexity 1.4.0
- Capabilities
- tools
- Instructions
- 886 characters
- Of a 1M window
- 0.3 % of a 1M context window
- Count
- 3.5k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 3.7k. The o200k_base estimate is 1.9k. Counted again when the tool definitions change. Method.
- Website
- https://git.xsooi.com/xs1128/perplexity
- Registry
- active, updated 2026-10-07 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| browser_action | 1 304 | 731 | 38 % |
| ask_reply | 380 | 213 | 11 % |
| search | 219 | 123 | 6 % |
| web_start | 196 | 110 | 6 % |
| ask_start | 189 | 106 | 5 % |
Compare this server with others.
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Servers that mention perplexity.
- AIMentionTracker ai.aimentiontracker/mcp · needs auth
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- Moonlings — Local Business Intelligence ai.moonlings/moonlings · alive
- Ninar AI ai.ninar/ninar · alive
- ai.nudg3/brand-intelligence · needs auth
- ai.smithery/arjunkmrm-perplexity-search · needs auth
- Promvia app.promvia/promvia · needs auth
- co.pixelcove/citation-tracker · alive
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.