mcpcost

com.usebrainchain/brainchain

BrainChain

Is the BrainChain MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-15.

Hire a frontier model for a task and pay in USDG or USDC only for work that meets the bar you set.

alive probed 2026-11-15

7tools
3.3ktokens in Claude Opus 5.5
1.6 %of Claude's 200k window
1.3×the median server
653 msto initialize
6 msto list tools
Run it
npx -y brainchain-mcp@0.9.3 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
brainchain 0.9.3
Capabilities
tools
Instructions
1 240 characters
Of a 1M window
0.3 % of a 1M context window
Count
3.3k tokens in Claude Opus 5.5, exact, measured 2026-11-09. With the Claude Code prefix mcp__…__ on each tool name: 3.3k. The o200k_base estimate is 2.1k. Counted again when the tool definitions change. Method.
Repository
https://github.com/usebrainchain/brainchain-mcp
Website
https://docs.usebrainchain.com/agents
Registry
active, updated 2026-11-14 · registry entry
Changes
8 recorded, reachable in 7 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, 1.57×.

Tool≈ Claude tokenso200k estimateShare of this server
brainchain_post_task76348723 %
brainchain_bond_task69944621 %
brainchain_grade61839419 %
brainchain_get_task37223711 %
brainchain_bond_status36223111 %

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 frontier or meets.

History

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

ProbedResultInitToolsClaudeo200k
2026-11-09 08:42alive602 ms73.3k2.1k
2026-11-07 07:47alive616 ms52.4k1.6k
2026-11-06 08:32alive682 ms31.1k686
2026-11-05 08:31alive696 ms31.1k686
2026-11-04 08:01alive620 ms2693444
2026-11-02 08:18alive639 ms2665419
2026-10-29 07:42alive653 ms2811518
2026-10-27 06:52crashed on start

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