io.github.thehesiod/costco
Costco MCP Server
Is the io.github.thehesiod/costco MCP server down? No. Installed with mcp<2, it started and listed its tools on 2026-11-03.
MCP server for Costco warehouse receipts and online orders
needs mcp<2 probed 2026-11-14 · unchanged since 2026-11-03
A plain install of the package stops at the import below. These tool definitions are from a second install with mcp<2, started in a container with the network off, on 2026-11-03.
MCP error -32000: Connection closed ModuleNotFoundError: No module named 'mcp.server.fastmcp'. This is mcp 2.x, where FastMCP was renamed to MCPServer (from mcp
- Run it
- uvx --with 'mcp<2' costco-mcp-server@0.1.2 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- Costco MCP Server 1.30.0
- Capabilities
- experimental, prompts, resources, tools
- Repository
- https://github.com/thehesiod/costco-mcp
- Registry
- active, updated 2026-04-19 · registry entry
- Changes
- 2 recorded, reachable in 0 of them. A row is added when the result, the tool count or the cost changes.
Most expensive tools
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| list_online_orders | 276 | 23 % |
| list_warehouse_receipts | 240 | 20 % |
| lookup_products | 159 | 13 % |
| get_all_receipt_details | 157 | 13 % |
| save_refresh_token | 155 | 13 % |
Compare this server with others.
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Servers that mention costco or warehouse or receipts.
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- ai.aqta/seal · alive
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- InfraPulse ai.infrapulse/infrapulse · rejects our protocol version
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-11-03 08:43 | needs mcp<2 | 1.4 s | 7 | 2.1k | 1.2k |
| 2026-10-20 06:46 | crashed on start |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
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
- The package imports FastMCP from mcp.server.fastmcp. mcp 2.0, the Python SDK of 28 July 2026, renamed FastMCP to MCPServer, and the package asks for mcp with no upper bound, so a plain install (uvx, pip) gets mcp 2.x and the server stops at the import. Installed with mcp<2, it starts and lists its tools. The fix for the publisher: pin mcp<2 in the dependencies, for example mcp>=1.2,<2, and publish a new version, or move to MCPServer as the SDK's migration guide says. Until then, run it with uvx --with 'mcp<2'.
The cause and the fix, with the code before and after: ModuleNotFoundError: No module named 'mcp.server.fastmcp'