agentmods.dev

easypost

A connection to EasyPost, a shipping service for comparing rates, buying or refunding labels, tracking packages, and checking addresses.

In plain words
What is it for?
Finding shipping rates, purchasing or refunding labels, tracking deliveries, and verifying mailing addresses.
Why use it?
It brings common shipping tasks into one agent workflow instead of requiring separate manual actions.

MCP server for Claude CodeCodexCursor

One of 99 entries in server.json — they are configured in one file and arrive together.

0 1mo ago A scan tokens not measured original MIT
View the source file m190/usefulapi-mcp
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add mcp/m190/usefulapi-mcp/ably-easypost
Clone the repo
git clone --depth 1 https://github.com/m190/usefulapi-mcp

Made for: Claude Code, Codex, Cursor.

Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

easypost scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

servers/ably/server.json · 6 lines

What it actually says

{
  "easypost": {
    "url": "https://easypost.usefulapi.io/mcp",
    "type": "streamable-http"
  }
}
Same file

What else server.json configures

This page is one entry in a file that holds 99. Installing the file brings all of them; each is measured and scanned on its own page. The 60 below are a sample.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 6 lines scan A 1f003a25fbdf

Subscribe to this mod's changes

easypost is an MCP server published in the GitHub repository m190/usefulapi-mcp (0 stars, last pushed 1mo ago), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

E-commerce
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