mcpcost

io.github.hmesutozsoy/oddsrail-polymarket-kalshi

oddsrail

Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed

alive probed 2026-10-14

30tools
4.9ktokens in Claude Opus 5.5
5.5ktokens in Claude Code
2.4 %of a 200k context window
2.6ko200k_base estimate
2.8 sto initialize
8 msto list tools
Run it
uvx oddsrail==0.6.0 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
oddsrail
Capabilities
prompts, resources, tools
Instructions
521 characters
Claude count
Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
Repository
https://github.com/hmesutozsoy/oddsrail
Registry
deprecated, updated 2026-08-31 · registry entry
Reachable
1 of the last 1 probe

Most expensive tools

ToolTokens (o200k)Share of this server
place_order1988 %
kalshi_place_order1737 %
compare_venues1686 %
find_markets1526 %
quote_cost1526 %

Badge and feed

mcpcost: alive

[![mcpcost](https://mcpcost.ulehla.dev/badge/io.github.hmesutozsoy/oddsrail-polymarket-kalshi.svg)](https://mcpcost.ulehla.dev/s/io.github.hmesutozsoy/oddsrail-polymarket-kalshi)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.