Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Missed-call text-back for contractors: missed-call cost math, how it works, owners read their calls.
These three are never merged into one score: opinions, measurements and popularity are different things.
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This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Run this in your terminal
claude mcp add --transport http missed-call-text-back https://ringback.0xpi.com/mcp --header 'Authorization: your-value'Fill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"missed-call-text-back": {
"url": "https://ringback.0xpi.com/mcp",
"headers": {
"Authorization": "your-value"
}
}
}
}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": {
"missed-call-text-back": {
"type": "http",
"url": "https://ringback.0xpi.com/mcp",
"headers": {
"Authorization": "your-value"
}
}
}
}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.
This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Your choice stays on this device in a cookie; no account needed.
Authorization secret HTTP headerThese 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.
estimate_missed_call_costArithmetic on your own numbers: calls per week x missed % x close rate x average job value, per week, month and year, with every step and assumption shown. It is an estimate of the value of jobs at stake from missed calls, not a prediction of what any tool will recover. Also show
how_ringback_worksFacts about Ringback, missed-call text-back for contractors and home-service businesses: how the text is sent, phone requirements (Android, iPhone options), what the owner sees, price ($17/month or $170/year per business line), the 7-day free trial with no card, and what Ringback
my_missed_callsList the missed calls in your own Ringback call log for a time range: when, the caller's number, whether a text-back went out (and its delivery status) or why not (e.g. already texted recently, opted out, do-not-text), and the lead's status. Counts first, then up to 50 most recen
my_texts_sentList the texts your Ringback line sent in a time range: missed-call text-backs, your replies from the dashboard and automatic replies, with delivery status as the phone reported it, the median time from call to text-back, and up to 50 most recent texts with their wording. Needs a
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 7, 2026
The registry lists no source repo, so we cannot match the publisher (ringback.0xpi.com) to the code
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Responded in 292 ms (HTTP 200)
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Read 4 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 2 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.
You need to fill in: Authorization
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 (1.0.0) reached the registry 3 days ago.
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, Date Math
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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No README found in the repo