EasyPost MCP by usefulapi
by usefulapi.io · remote · no sign-in to list tools · v1.16.3 · published by io.usefulapi
MCP server for EasyPost — rate shipments, buy & refund labels, track packages, verify addresses.
11 tools: 2 can delete or cancel things, 3 change things and 6 only read.
Scanned Oct 21, 2026
- Deletes or cancels2Claude Code: deny: see these tools
- Can't be undone0Claude Code: ask
- Changes things3Claude Code: ask: see these tools
- Only reads6Claude Code: allow: see these tools
No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.
claude mcp add --transport http easypost https://easypost.usefulapi.io/mcpTools
Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.
11 tools
Deletes or cancels 2Claude Code: deny
easypost_buy_shipmentPURCHASE a shipping label for a shipment at a chosen rate.No findings
Why it is in this group
- The description's first verb is "purchase": a word that usually means money moves, which cannot be taken back.
- The description says "irreversible".
- The server marks it destructive (destructiveHint: true).
Description, as the server wrote it 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? }).
Annotations the server declares
- title: Buy a shipping label
- readOnlyHint: false
- destructiveHint: true
easypost_refund_shipmentRequest a refund (void) of a purchased shipping label.No findings
Why it is in this group
- The name "easypost_refund_shipment" says "refund": a word that usually means money moves, which cannot be taken back.
- The server marks it destructive (destructiveHint: true).
Description, as the server wrote it 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.
Annotations the server declares
- title: Refund / void a label
- readOnlyHint: false
- destructiveHint: true
Changes things 3Claude Code: ask
easypost_create_shipmentCreate a shipment from a to_address, from_address, and parcel, returning the available RATES from all enabled carriers.No findings
Why it is in this group
- The name "easypost_create_shipment" says "create": a word for a change.
Description, as the server wrote it 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 }).
Annotations the server declares
- title: Create a shipment (get rates)
- readOnlyHint: false
- destructiveHint: false
easypost_create_trackerStart tracking a package by its carrier tracking code.No findings
Why it is in this group
- The name "easypost_create_tracker" says "create": a word for a change.
Description, as the server wrote it Start tracking a package by its carrier tracking code. Returns the tracker with current status. No charge. API: POST /trackers (body { tracker }).
Annotations the server declares
- title: Create a tracker
- readOnlyHint: false
- destructiveHint: false
easypost_verify_addressCreate and verify a US or international address, returning deliverability and normalized/corrected fields.No findings
Why it is in this group
- The description's first verb is "create": a word for a change.
Description, as the server wrote it Create and verify a US or international address, returning deliverability and normalized/corrected fields. No charge. API: POST /addresses (body { address, verify: ["delivery"] }).
Annotations the server declares
- title: Verify an address
- readOnlyHint: false
- destructiveHint: false
Only reads 6Claude Code: allow
easypost_get_addressRetrieve a single address by id, including verification details.No findings
Why it is in this group
- The name "easypost_get_address" says "get": a word for reading.
Description, as the server wrote it Retrieve a single address by id, including verification details. API: GET /addresses/{id}.
Annotations the server declares
- title: Get an address
- readOnlyHint: true
easypost_get_shipmentRetrieve a single shipment by id, including its available rates, tracking_code, and postage_label (if purchased).No findings
Why it is in this group
- The name "easypost_get_shipment" says "get": a word for reading.
Description, as the server wrote it Retrieve a single shipment by id, including its available rates, tracking_code, and postage_label (if purchased). API: GET /shipments/{id}.
Annotations the server declares
- title: Get a shipment
- readOnlyHint: true
easypost_get_trackerRetrieve a single tracker by id, including current status and tracking_details history.No findings
Why it is in this group
- The name "easypost_get_tracker" says "get": a word for reading.
Description, as the server wrote it Retrieve a single tracker by id, including current status and tracking_details history. API: GET /trackers/{id}.
Annotations the server declares
- title: Get a tracker
- readOnlyHint: true
easypost_list_addressesList saved addresses on the account, with pagination.No findings
Why it is in this group
- The name "easypost_list_addresses" says "list": a word for reading.
Description, as the server wrote it List saved addresses on the account, with pagination. API: GET /addresses.
Annotations the server declares
- title: List addresses
- readOnlyHint: true
easypost_list_shipmentsList shipments on the account, most recent first, with pagination and optional filters.No findings
Why it is in this group
- The name "easypost_list_shipments" says "list": a word for reading.
Description, as the server wrote it List shipments on the account, most recent first, with pagination and optional filters. API: GET /shipments.
Annotations the server declares
- title: List shipments
- readOnlyHint: true
easypost_list_trackersList package trackers, optionally filtered by tracking_code or carrier.No findings
Why it is in this group
- The name "easypost_list_trackers" says "list": a word for reading.
Description, as the server wrote it List package trackers, optionally filtered by tracking_code or carrier. API: GET /trackers.
Annotations the server declares
- title: List trackers
- readOnlyHint: true
This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.
Install
Pinned to version 1.16.3. Values in angle brackets are yours to fill in.
claude mcp add --transport http easypost https://easypost.usefulapi.io/mcpRun in a terminal.
Claude Code permissions
Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.
{
"permissions": {
"allow": [
"mcp__easypost__easypost_list_shipments",
"mcp__easypost__easypost_get_shipment",
"mcp__easypost__easypost_list_trackers",
"mcp__easypost__easypost_get_tracker",
"mcp__easypost__easypost_list_addresses",
"mcp__easypost__easypost_get_address"
],
"ask": [
"mcp__easypost__easypost_verify_address",
"mcp__easypost__easypost_create_shipment",
"mcp__easypost__easypost_create_tracker"
],
"deny": [
"mcp__easypost__easypost_buy_shipment",
"mcp__easypost__easypost_refund_shipment"
]
}
}Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as easypost. Review it before you use it.