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ShippingRates MCP Server

by io.github.vinaybhosle

Get Port Local Charges

shippingrates_local_charges
Read-onlyIdempotent

Get local charges at a port for a specific carrier — Terminal Handling Charges (THC), documentation fees (BL/DO), seal fees, and other port-specific charges.

Use this when calculating total shipping costs at origin or destination. Combine with shippingrates_dd_calculate for a complete port cost picture, or use shippingrates_total_cost for an all-in-one landed cost estimate.

PAID: $0.05/call via x402 (USDC on Base or Solana). Without payment, returns 402 with payment instructions.

Returns: Array of { charge_type, charge_name, amount, currency, container_type, direction } for all applicable charges at the port.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
lineYesShipping line slug — maersk, msc, cmacgm (or cma-cgm), hapag-lloyd, one, cosco, zim, evergreen, yangming, hmm, arkas, oocl, pil
countryYesISO 2-letter country code
port_codeNoPort code to filter (e.g. INMUN for Mumbai)
x_paymentNox402 payment proof header

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. Changed1 schema field changed
    • changedInput schema / properties / line / enum
      Previous value: -[
-  "maersk",
-  "msc",
-  "cmacgm",
-  "cma-cgm",
-  "hapag-lloyd",
-  "one",
-  "cosco",
-  "zim",
-  "evergreen",
-  "yangming",
-  "hmm",
-  "arkas",
-  "oocl",
-  "pil"
-]New value: +[
+  "maersk",
+  "msc",
+  "cmacgm",
+  "cma-cgm",
+  "hapag-lloyd",
+  "one",
+  "cosco",
+  "zim",
+  "evergreen",
+  "yangming",
+  "hmm",
+  "arkas",
+  "oocl",
+  "pil",
+  "wanhai"
+]
  2. Changed2 schema fields changed
    • changedInput schema / properties / line / description
      Previous value: -"Shipping line slug — one of: maersk, msc, cma-cgm, hapag-lloyd, one, cosco"New value: +"Shipping line slug — maersk, msc, cmacgm (or cma-cgm), hapag-lloyd, one, cosco, zim, evergreen, yangming, hmm, arkas, oocl, pil"
    • changedInput schema / properties / line / enum
      Previous value: -[
-  "maersk",
-  "msc",
-  "cma-cgm",
-  "hapag-lloyd",
-  "one",
-  "cosco"
-]New value: +[
+  "maersk",
+  "msc",
+  "cmacgm",
+  "cma-cgm",
+  "hapag-lloyd",
+  "one",
+  "cosco",
+  "zim",
+  "evergreen",
+  "yangming",
+  "hmm",
+  "arkas",
+  "oocl",
+  "pil"
+]
  3. Changed1 schema field changed
    • changedInput schema / properties / line / description
      Previous value: -"Shipping line slug"New value: +"Shipping line slug — one of: maersk, msc, cma-cgm, hapag-lloyd, one, cosco"
  4. First observed

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond the annotations (readOnly, idempotent, non-destructive), the description discloses the payment requirement ($0.05/call via x402) and the 402 error behavior when unpaid. It also describes the return format. These are meaningful behavioral traits not covered by annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact and front-loaded: a purpose statement, usage guidance with alternatives, payment note, and return format. Every sentence adds necessary information without redundancy, making it easy for an agent to parse quickly.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given there is no output schema, the description fully compensates by specifying the exact array structure and fields. It also covers payment behavior, usage context, and related tools. For a read-only tool with this parameter set, nothing essential is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% (all four parameters described), providing a solid baseline. The description adds value by explaining the x_payment parameter's role in the payment flow and noting that port_code is an optional filter, though it does not deepen the meaning of line or country beyond what the schema already conveys.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses a specific verb ('Get') and identifies a clear resource ('local charges at a port for a specific carrier') while enumerating charge types (THC, documentation fees, seal fees). It is easily distinguished from sibling tools like shippingrates_surcharges by focusing on port-specific charges for a named carrier.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use this tool ('when calculating total shipping costs at origin or destination') and provides named alternatives: combine with shippingrates_dd_calculate or use shippingrates_total_cost for an all-in-one estimate. This gives the agent clear decision criteria.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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TDQS

A4.3/5.0
Disambiguation4/5

Most tools have clearly distinct purposes: D&D calculator/compare/countdown, inland search/haulage/compare, and congestion/news/risk are well separated. However, the transit/vessel group (transit, transit_schedules, vessel_schedule, vessel_schedule_options) and rates vs total_cost could cause some selection ambiguity, though descriptions help differentiate them.

Naming Consistency3/5

All tools share the 'shippingrates_' prefix and snake_case, but naming patterns vary: some are action-oriented (shippingrates_dd_calculate, shippingrates_inland_compare), while others are noun phrases (shippingrates_surcharges, shippingrates_port, shippingrates_total_cost). This inconsistency could make it harder to predict tool names.

Tool Count3/5

With 26 tools, the server is on the heavier side, exceeding the typical 15-tool comfort zone. However, the broad domain of shipping rates, logistics, and regulatory data justifies the number, as each tool covers a distinct aspect. Still, the volume may overwhelm agents.

Completeness5/5

The tool set is remarkably comprehensive for a shipping rates server, covering freight benchmarks, surcharges, local charges, D&D (calculate/compare/countdown), inland haulage, transit schedules, vessel schedules, congestion, risk scoring, regulatory updates, facilities, FX, and a composite total-cost calculator. No obvious gaps for common logistics cost-analysis workflows.

Resources