Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Track parcels across 3000+ carriers with 17TRACK: register numbers, read tracking events and quota.
These three are never merged into one score: opinions, measurements and popularity are different things.
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
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Works in Claude on the web, desktop and mobile:
https://17track.usefulapi.io/mcpRun this in your terminal
claude mcp add --transport http 17track https://17track.usefulapi.io/mcpPaste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"17track": {
"url": "https://17track.usefulapi.io/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"17track": {
"type": "http",
"url": "https://17track.usefulapi.io/mcp"
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
ChatGPT connects only to servers on the internet:
https://17track.usefulapi.io/mcpMenu names can differ slightly by plan and over time.
Your choice stays on this device in a cookie; no account needed.
These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
Tool names and descriptions exactly as the server reported them on Nov 6, 2026. The maker wrote them, not us; we show them as plain text.
track17_get_quotaThe account's tracking quota: total, used, remaining, used today, the daily registration limit (0 = no limit) and the free e-mail quota. Each registered tracking number uses 1 quota. POST /getquota.
track17_list_tracking_numbersSearch the tracking numbers registered on this account (40 per page) with their carrier, status, registration and last-update times, and latest event. Filter by number(s), carrier, tracking state, package status or registration date. Free: it does not use quota. POST /gettracklis
track17_get_trackingFull tracking details (status, sub-status, milestones, every carrier event with time and location, estimated delivery) for up to 10 numbers that are ALREADY registered on this account. Free: it does not use quota. A number that is not registered comes back in `rejected` — registe
track17_realtime_lookupWRITE (uses quota): look up ONE tracking number directly at the carrier right now, without registering it. Costs 1 quota per call (standard: carrier data up to 3 hours old). If the number is already registered, a changed result is also pushed to the account. Not supported for USP
track17_register_numbersWRITE (uses quota): start tracking up to 10 tracking numbers per call. Each ACCEPTED number costs 1 quota from this account (see track17_get_quota); rejected numbers cost nothing. Deleting and re-registering a number costs again. 17TRACK then updates the status itself every 6-12
track17_change_carrierWRITE: assign a different carrier to registered tracking numbers (up to 10 per call), for example when auto-detection picked the wrong one. A number can change carrier at most 5 times, and a successful change can be charged as one shipment (see track17_get_quota). POST /changecar
track17_change_tagWRITE: set the tag (your own label, max 100 characters) of a registered tracking number. It replaces the old tag. Free. POST /changeinfo.
track17_stop_trackingWRITE: stop tracking registered numbers (up to 10 per call). The numbers stay in the account for 90 days with their history and can be restarted ONCE each with track17_retrack. Stopping does not refund quota. POST /stoptrack.
track17_retrackWRITE: restart tracking of stopped numbers (up to 10 per call). Each number can be restarted only ONCE in its lifetime, so a second restart is rejected. POST /retrack.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry name was verified against the domain usefulapi.io (the registry checks domain ownership)
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Responded in 230 ms (HTTP 200)
No sign-in needed
Read 9 tool descriptions and found no hidden instructions to the AI
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
The registry does not list a required key, though some servers ask you to sign in on first use.
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.22.3) reached the registry yesterday.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, AI Deprecations
Servers in the same category from other makers, sorted by stars.
Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
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Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.
Use 17TRACK from Claude, Cursor, or any MCP client — tracking numbers, tracking events, quota and carrier changes across 3000+ carriers. Hosted, no local install: connect with your own 17TRACK credentials.
Live endpoint: https://17track.usefulapi.io/mcp · Homepage: https://usefulapi.io/17track
https://17track.usefulapi.io/mcp.claude mcp add --transport http 17track https://17track.usefulapi.io/mcp, then run /mcp to log in.{
"mcpServers": { "17track": { "url": "https://17track.usefulapi.io/mcp" } } }
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 17TRACK credentials.
Step-by-step setup, where to find your credentials, and FAQ: https://usefulapi.io/17track/
| Tool | Type | What it does |
|---|---|---|
track17_get_quota | read | Get tracking quota |
track17_list_tracking_numbers | read | List registered tracking numbers |
track17_get_tracking | read | Get tracking details |
track17_realtime_lookup | write | Real-time lookup of one number |
track17_register_numbers | write | Register tracking numbers |
track17_change_carrier | write | Change the carrier of a number |
track17_change_tag | write | Change the tag of a number |
track17_stop_tracking | write | Stop tracking numbers |
track17_retrack | write | Restart tracking of stopped numbers |
track17_usage_status | meta | Usage status (free-tier meter) |
track17_request_feature | meta | Request a missing feature |
track17_upgrade | meta | Upgrade to Pro or Pro+ |
track17_cancel_subscription | meta | Cancel the Pro subscription |
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.
| Plan | Price | Limit |
|---|---|---|
| Free | $0 | 50 tool calls / month |
| Pro (per user) | $9/mo or $90/yr (2 months free) | Unlimited* |
\*Pro has a fair use limit of 10,000 tool calls a month on this server. For more, write to support@usefulapi.io.
Pro covers this server only. Subscribe with track17_upgrade (it returns a Stripe Checkout link). Cancel any time with track17_cancel_subscription: Pro continues to the end of the paid period, with no refund for the current period, and running track17_upgrade before then undoes the cancel. Or write to support@usefulapi.io.
MIT © usefulapi. Not affiliated with or endorsed by 17TRACK.