A
licenseNot graded
qualityB
maintenanceProvides access to EasyPost's multi-carrier shipping rates and package tracking through the Pipeworx MCP gateway.
16 npm
MIT
EasyPost MCP by usefulapi
by io.usefulapi
Server Details
MCP server for EasyPost — rate shipments, buy & refund labels, track packages, verify addresses.
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- Status
- Healthy
- Uptime
- 79.7% over 58 days
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
- Repository
- m190/usefulapi-mcp
- GitHub Stars
- 0
TDQS
A4.1/5.0
Scored across 11 tools
Disambiguation5/5
Each tool has a distinct purpose: address operations, shipment lifecycle (create, buy, refund, get, list), and tracking. No overlap or ambiguity.
Naming Consistency5/5
All tools follow a consistent `easypost_<verb>_<resource>` pattern using snake_case, with clear verbs like create, get, list, buy, refund, verify.
Tool Count5/5
11 tools cover the essential operations for address management, shipment lifecycle, and tracking without being too many or too few.
Completeness4/5
Core workflows (rate, buy, refund, track, address verification) are complete. Minor gaps like missing delete for addresses or update for shipments are acceptable for the domain.
Available Tools
11 toolseasypost_buy_shipmentBuy a shipping labelDestructiveInspect
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? }).
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| rate_id | Yes | Rate id to purchase (from create_shipment / get_shipment rates). | |
| insurance | No | Dollar amount to insure the shipment for, e.g. "249.99". | |
| shipment_id | Yes | Shipment id to buy, e.g. shp_... |
easypost_create_shipmentCreate a shipment (get rates)Inspect
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 }).
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| parcel | Yes | Package dimensions and weight. | |
| reference | No | Your internal reference string for the shipment. | |
| to_address | Yes | Destination address. | |
| from_address | Yes | Origin/return address. | |
| carrier_accounts | No | Restrict rating to these carrier_account ids. |
easypost_create_trackerCreate a trackerInspect
Start tracking a package by its carrier tracking code. Returns the tracker with current status. No charge. API: POST /trackers (body { tracker }).
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| carrier | No | Carrier name, e.g. USPS, UPS, FedEx (helps disambiguate). | |
| tracking_code | Yes | The carrier tracking code to track. |
easypost_get_addressGet an addressRead-onlyInspect
Retrieve a single address by id, including verification details. API: GET /addresses/{id}.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| id | Yes | Address id, e.g. adr_... |
easypost_get_shipmentGet a shipmentRead-onlyInspect
Retrieve a single shipment by id, including its available rates, tracking_code, and postage_label (if purchased). API: GET /shipments/{id}.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| id | Yes | Shipment id, e.g. shp_... |
easypost_get_trackerGet a trackerRead-onlyInspect
Retrieve a single tracker by id, including current status and tracking_details history. API: GET /trackers/{id}.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| id | Yes | Tracker id, e.g. trk_... |
easypost_list_addressesList addressesRead-onlyInspect
List saved addresses on the account, with pagination. API: GET /addresses.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| after_id | No | Return records created after this address id. | |
| before_id | No | Return records created before this address id. | |
| page_size | No | Results per page (max 100). |
easypost_list_shipmentsList shipmentsRead-onlyInspect
List shipments on the account, most recent first, with pagination and optional filters. API: GET /shipments.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| after_id | No | Return records created after this shipment id. | |
| before_id | No | Return records created before this shipment id. | |
| page_size | No | Results per page (max 100). | |
| purchased | No | Filter to only purchased (true) or unpurchased (false) shipments. | |
| end_datetime | No | ISO 8601 upper bound on created_at. | |
| start_datetime | No | ISO 8601 lower bound on created_at. |
easypost_list_trackersList trackersRead-onlyInspect
List package trackers, optionally filtered by tracking_code or carrier. API: GET /trackers.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| carrier | No | Filter by carrier name, e.g. USPS, UPS, FedEx. | |
| page_size | No | Results per page (max 100). | |
| tracking_code | No | Filter by carrier tracking code. |
easypost_refund_shipmentRefund / void a labelDestructiveInspect
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.
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| id | Yes | Shipment id to refund, e.g. shp_... |
easypost_verify_addressVerify an addressInspect
Create and verify a US or international address, returning deliverability and normalized/corrected fields. No charge. API: POST /addresses (body { address, verify: ["delivery"] }).
ParametersJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| zip | Yes | Postal/ZIP code | |
| city | No | ||
| name | No | ||
| No | |||
| phone | No | ||
| state | No | 2-letter state/province code | |
| company | No | ||
| country | No | 2-letter ISO country code, default US | |
| street1 | Yes | Street address line 1 | |
| street2 | No |
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
11 tool updates
- Changed
easypost_buy_shipment1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_create_shipment1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_create_tracker1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_get_address1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_get_shipment1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_get_tracker1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_list_addresses1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_list_shipments1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_list_trackers1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_refund_shipment1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
- Changed
easypost_verify_address1 field changed- changed
Input schema / $schemaPrevious value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
11 tool updates
- First observed
easypost_buy_shipment - First observed
easypost_create_shipment - First observed
easypost_create_tracker - First observed
easypost_get_address - First observed
easypost_get_shipment - First observed
easypost_get_tracker - First observed
easypost_list_addresses - First observed
easypost_list_shipments - First observed
easypost_list_trackers - First observed
easypost_refund_shipment - First observed
easypost_verify_address
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