io.usefulapi由 usefulapi.io 發布官方發布者v1.36.5更新於 Nov 8, 2026
MCP server for EasyPost — rate shipments, buy & refund labels, track packages, verify addresses.
發布方自己的服務：Ably MCP by usefulapi
託管的 EasyPost 伺服器，讓助理查詢運費、購買與退運單、追蹤包裹並驗證地址。
Web executable，透過 Streamable HTTP。 遠端服務在工作區中設定後即可從網頁執行環境執行。
把這段提示詞貼上到 Claude Code、Codex、Cursor 等代理程式，或 SourceWeft 對話中。代理程式會讀取該伺服器的安裝指南，先向你展示發布者、端點和登入方式，經你同意後再把它新增到你的客戶端。金鑰不會寫進任何命令。
閱讀 https://sourceweft.com/mcp/io.usefulapi%2Feasypost/install.md，並按其中說明把這個 MCP 伺服器接入我的客戶端。修改任何設定之前，先告訴我它的發布者、端點和登入方式，等我確認。不要把 API 金鑰寫進命令或我會提交的檔案；問我金鑰應從哪裡取得。把它新增到你客戶端的 mcpServers 設定中。
{
"mcpServers": {
"easypost-by-usefulapi": {
"type": "http",
"url": "https://easypost.usefulapi.io/mcp"
}
}
}Rate shipments, buy labels, track packages and verify addresses via EasyPost, from Claude, Cursor, or any MCP client. Hosted, no local install — connect with your EasyPost API key.
Live endpoint: https://easypost.usefulapi.io/mcp · Homepage: https://usefulapi.io/easypost
https://easypost.usefulapi.io/mcp.claude mcp add --transport http easypost https://easypost.usefulapi.io/mcp, then run /mcp to log in.Add only the URL. Do not add an Authorization header or an API key to the client config: the server signs you in with OAuth, and the login page asks for your EasyPost credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/easypost/
On first connect you'll paste your EasyPost API key. It's validated, stored per-user, and scoped to you.
read tools are read-only; write tools mutate data (clients should confirm them); meta tools report usage, manage your subscription or send a feature request.
*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to [email protected].
Pro covers this server only. Subscribe with easypost_upgrade (it returns a Stripe Checkout link). Cancel any time with easypost_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running easypost_upgrade before then undoes the cancel. Or write to [email protected].
MIT — see LICENSE. Documentation only; the server is hosted.
來源：servers/easypost/README.md，提交 4046075
List shipments
List shipments on the account, most recent first, with pagination and optional filters. API: GET /shipments.
after_idbefore_idpage_sizepurchasedend_datetimestart_datetimeGet a shipment
Retrieve a single shipment by id, including its available rates, tracking_code, and postage_label (if purchased). API: GET /shipments/{id}.
id必填List trackers
List package trackers, optionally filtered by tracking_code or carrier. API: GET /trackers.
carrierpage_sizetracking_codeGet a tracker
Retrieve a single tracker by id, including current status and tracking_details history. API: GET /trackers/{id}.
id必填List addresses
List saved addresses on the account, with pagination. API: GET /addresses.
after_idbefore_idpage_sizeGet an address
Retrieve a single address by id, including verification details. API: GET /addresses/{id}.
id必填Verify an address
Create and verify a US or international address, returning deliverability and normalized/corrected fields. No charge. API: POST /addresses (body { address, verify: ["delivery"] }).
zip必填citynameemailphonestatecompanycountrystreet1必填street2Create a shipment (get rates)
Create a shipment from a to_address, from_address, and parcel, returning the available RATES from all enabled carriers. This only RATES the shipment — it does NOT purchase a label and does NOT charge the account; buying is a separate step (easypost_buy_shipment). API: POST /shipments (body { shipment }).
parcel必填referenceto_address必填from_address必填carrier_accountsCreate a tracker
Start tracking a package by its carrier tracking code. Returns the tracker with current status. No charge. API: POST /trackers (body { tracker }).
carriertracking_code必填Buy a shipping label
PURCHASE a shipping label for a shipment at a chosen rate. WARNING: this CHARGES the EasyPost account balance and is irreversible except by requesting a refund (easypost_refund_shipment). Pick a rate_id from the rates returned by easypost_create_shipment or easypost_get_shipment. API: POST /shipments/{id}/buy (body { rate: { id }, insurance? }).
rate_id必填insuranceshipment_id必填Refund / void a label
Request a refund (void) of a purchased shipping label. WARNING: reverses a purchase; approval depends on the carrier and label age. API: POST /shipments/{id}/refund.
id必填已滿足適用檢查項的 100%
該評分衡量此收錄條目的完整程度，依據註冊中心條目、端點與公開來源計算得出。它不是對伺服器本身的評價，也不表示伺服器安全或目前可用：可連通性是帶日期的檢查結果，評分也不包含安裝量或使用者評價。
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{ "mcpServers": { "easypost": { "url": "https://easypost.usefulapi.io/mcp" } }}