io.github.Yummybait-fin/uniswap-tx-builder-mcp
uniswap-tx-builder
Builds and simulates unsigned Uniswap v3 liquidity-position transactions — keyless, never signs.
alive probed 2026-10-14
11tools
6.2ktokens in Claude Opus 5.5
6.4ktokens in Claude Code
3.1 %of a 200k context window
3.6ko200k_base estimate
608 msto initialize
12 msto list tools
- Run it
- npx -y @yummybait/uniswap-tx-builder-mcp@0.4.3 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- uniswap-tx-builder 0.4.3
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Yummybait-fin/uniswap-tx-builder-mcp
- Registry
- active, updated 2026-07-28 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| build_swap | 798 | 22 % |
| build_mint | 414 | 12 % |
| get_pool_state | 374 | 10 % |
| get_swap_quote | 332 | 9 % |
| build_approve | 288 | 8 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Yummybait-fin/uniswap-tx-builder-mcp)
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.