io.github.pipeworx-io/alpaca
Alpaca
Alpaca MCP — real-time US stock market data via the Alpaca Market Data API
alive probed 2026-10-15 · HTTP 200
44tools
39ktokens in Claude Opus 5.5
39ktokens in Claude Code
19.4 %of a 200k context window
24ko200k_base estimate
118 msto initialize
88 msto list tools
- Endpoint
- https://gateway.pipeworx.io/alpaca/mcp (streamable-http)
- Host
- gateway.pipeworx.io
- Protocol
- 2025-03-26
- Reports itself as
- pipeworx-gateway 0.1.0
- Capabilities
- prompts, resources, tools
- Instructions
- 704 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/pipeworx-io/mcp-alpaca
- Website
- https://pipeworx.io/packs/alpaca
- Registry
- active, updated 2026-09-24 · registry entry
- Reachable
- 16 of the last 16 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| polymarket_kalshi_spread | 1 738 | 7 % |
| bet_research | 1 225 | 5 % |
| polymarket_edges | 1 175 | 5 % |
| subscribe | 1 134 | 5 % |
| company_facts | 1 093 | 5 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-15 10:58 | alive | 105 ms | 44 | 39k | 24k |
| 2026-10-14 19:12 | alive | 105 ms | 44 | 39k | 23k |
| 2026-10-14 09:24 | alive | 110 ms | 44 | 39k | 23k |
| 2026-10-13 11:18 | alive | 78 ms | 43 | 37k | 22k |
| 2026-10-12 11:47 | alive | 192 ms | 43 | 37k | 22k |
| 2026-10-11 10:27 | alive | 160 ms | 43 | 37k | 22k |
| 2026-10-10 10:19 | alive | 127 ms | 43 | 37k | 22k |
| 2026-10-09 11:21 | alive | 79 ms | 43 | 36k | 22k |
| 2026-10-08 11:16 | alive | 83 ms | 39 | 33k | 20k |
| 2026-10-07 11:13 | alive | 252 ms | 39 | 33k | 20k |
| 2026-10-05 15:26 | alive | 118 ms | 39 | 33k | 20k |
| 2026-10-05 00:44 | alive | 59 ms | 39 | 20k | |
| 2026-10-04 10:06 | alive | 76 ms | 39 | 20k | |
| 2026-10-04 08:00 | alive | 49 ms | 39 | 20k | |
| 2026-10-03 20:39 | alive | 98 ms | 39 | 20k | |
| 2026-10-03 17:54 | alive | 99 ms | 39 | 20k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.pipeworx-io/alpaca)
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.