mcpcost

io.github.mindstone/mcp-server-browserbase

Browserbase

Is the Browserbase MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Browserbase MCP server: cloud browser sessions, agents, contexts, fetch, search, functions

alive probed 2026-11-14 · unchanged since 2026-10-27

53tools
30ktokens in Claude Opus 5.5
15.0 %of Claude's 200k window
12×the median server
402 msto initialize
18 msto list tools
Run it
npx -y @mindstone/mcp-server-browserbase@0.1.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
browserbase-mcp-server 0.1.1
Capabilities
tools
Instructions
1 374 characters
Of a 1M window
3.0 % of a 1M context window
Count
30k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 31k. The o200k_base estimate is 17k. Counted again when the tool definitions change. Method.
Repository
https://github.com/mindstone/mcp-servers
Registry
active, updated 2026-08-17 · 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, 1.74×.

Tool≈ Claude tokenso200k estimateShare of this server
create_session2 9591 70510 %
create_agent_run2 2581 3018 %
fetch_url1 0576094 %
list_downloads9415423 %
wait_for_agent_run7914563 %

Compare this server with others.

More servers

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention browserbase.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-10-27 06:56alive307 ms5330k17k
2026-10-20 06:44alive402 ms5317k

Badge for the README

mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Atom feed

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