Costco MCP Server

An MCP (Model Context Protocol) server that gives Claude access to Costco warehouse receipts and online orders. Talks directly to Costco's internal GraphQL API using OAuth2 refresh tokens extracted from a browser session - no scraping, no runtime headless browser. Multi-account (e.g. personal, spouse) with per-account token storage. It runs locally over stdio via the published package.

People connecting cloud infrastructure tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-04-19 · ★ 2 · #111 OF 141 MAINTAINED CLOUD INFRASTRUCTURE · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Costco

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add thehesiod-costco-mcp -- uvx costco-mcp-server

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "thehesiod-costco-mcp": {
      "command": "uvx",
      "args": [
        "costco-mcp-server"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

pypi package costco-mcp-server - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.thehesiod is GitHub-verified and matches the repo owner

03 · What Costco can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

0.1.2 · 2026-04-19

0.1.1 · 2026-04-19

0.1.0 · 2026-04-19

First Release

04 · Who maintains Costco

costco is maintained by thehesiod. We track 3 MCP servers from thehesiod - 3 actively maintained, 7 combined GitHub stars, oldest repo from Feb 2026. Full record: all servers from thehesiod.

psquare MCP server for ParentSquare school-parent communication platform ★ 5

05 · Facts

repository: github.com/thehesiod/costco-mcp
category: cloud infrastructure - ranked #111 of 141 actively-maintained cloud infrastructure servers as of 2026-08-25.
registry: io.github.thehesiod/costco (active, first published 2026-04-19 · 2 versions)
packages: pypi:costco-mcp-server

06 · Costco FAQ

What is Costco?

Is Costco still maintained?

Yes - as of 2026-08-25, its last commit was 2026-04-19. We re-verify nightly.

How do I install Costco?

Run `uvx costco-mcp-server`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Costco run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Costco

Alternatives to Costco

Maintained cloud infrastructure servers if Costco isn't the fit.

Pairs well with

Servers that cover what Costco doesn't - only shown when the pairing reason fits the companion.

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