mcpcost

io.github.nukeguys/toss-invest

Toss Invest

Is the Toss Invest MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-13.

Access Toss Securities market, account, and opt-in trading APIs through MCP.

alive probed 2026-11-15 · unchanged since 2026-11-13

36tools
18ktokens in Claude Opus 5.5
9.1 %of Claude's 200k window
7.2×the median server
439 msto initialize
68 msto list tools
Run it
npx -y @nukeguys/toss-invest-mcp@0.4.3 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
toss-invest 0.4.3
Capabilities
tools
Instructions
72 characters
Of a 1M window
1.8 % of a 1M context window
Count
18k tokens in Claude Opus 5.5, exact, measured 2026-11-13. With the Claude Code prefix mcp__…__ on each tool name: 19k. The o200k_base estimate is 11k. Counted again when the tool definitions change. Method.
Repository
https://github.com/nukeguys/toss-invest-sdk
Registry
active, updated 2026-11-12 · 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, 1.71×.

Tool≈ Claude tokenso200k estimateShare of this server
toss_get_transactions1 9361 13211 %
toss_list_orders1 4748628 %
toss_get_candles1 0436106 %
toss_get_market_indicator_candles9705675 %
toss_get_rankings9325455 %

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 invest.

History

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

ProbedResultInitToolsClaudeo200k
2026-11-13 08:53alive268 ms3618k11k
2026-11-07 07:53alive439 ms3618k11k

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