Spec Driven Development
by formulahendry
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Runs on your computer★ 440MITUpdated 14 months ago
Install
Dyscalculia.io
Overview
Description from the maker (original English)
Open number-sense practice data and game catalogue for dyscalculia. Read-only.
PopNx MCP’s three pillars
These three are never merged into one score: opinions, measurements and popularity are different things.
- User voiceiNo reviews yetReviews open together with accounts in a later step
- Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
- UsageiNot measured yet★ –
What you can do with it
We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.
- Connection: Runs in the cloud
- Transport: Streamable HTTP
- Category: Other
Install
Pick the AI app you use, then copy the settings.
Before you install
- Basic checks: 1 of 1 passed
- Runs on the maker’s server: what you ask it goes through their server.
- The registry lists no key to fill in.
You need
- Runs in the cloudNothing to install; it connects over the internet
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install in …”.
Works in Claude on the web, desktop and mobile:
- Open Settings → Connectors
- Press Add custom connector
- Paste the address below and press Add
- If it asks you to sign in, sign in with the maker
https://mcp.dyscalculia.io/mcpRun this in your terminal
claude mcp add --transport http dyscalculia https://mcp.dyscalculia.io/mcpOr copy the settings yourself
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"dyscalculia": {
"url": "https://mcp.dyscalculia.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.
Or copy the settings yourself
Paste into .vscode/mcp.json in your project
{
"servers": {
"dyscalculia": {
"type": "http",
"url": "https://mcp.dyscalculia.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:
- Open ChatGPT on the web → Settings → Connectors (Apps)
- Press Create or Add (some plans need Developer mode under Advanced first)
- Paste the address below, give it a name and save
- If it asks you to sign in, sign in with the maker
https://mcp.dyscalculia.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.
What it can do
We have not read this server’s tool list yet; we check endpoints in rotation.
Basic checksi
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
- ✓ Pass
Maker matches the repo
The registry name was verified against the domain dyscalculia.io (the registry checks domain ownership)
- … Not checked yet
Still maintained
We have not read this repo from GitHub yet
- … Not checked yet
Has a licence
We have not read this repo from GitHub yet
- … Not checked yet
Endpoint responds
Not checked yet; we check endpoints in rotation
- … Not checked yet
Sign-in with OAuth
Not checked yet; we check endpoints in rotation
- … Not checked yet
No hidden instructions in tool descriptions
Not checked yet; we read the tool list when we check the endpoint
Compared with others in Otheri
- More stars than 0% of the other 32509 servers in this category
- Published to the registry more recently than 75% of the other 32509 servers in this category
- Basic checks equal to or better than 100% of the other 32509 servers in this category
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
Common questions
Is Dyscalculia.io safe?
It passed 1 of 1 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.
What keys or codes does it need?
The registry does not list a required key, though some servers ask you to sign in on first use.
Does it run on my computer or in the cloud?
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.
Is it still maintained?
The GitHub repo last changed –, and the latest version (0.1.0) reached the registry 11 days ago.
Which apps can use it?
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.
What can I use instead?
In the same category: Spec Driven Development, Remote Desktop Commander, Fomu MCP
Alternatives
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
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Install
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Install
README from the maker
Open the README
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.
dyscalculia-mcp
MCP server for the sourced dyscalculia statistics on Dyscalculia.io: prevalence studies with sample size, year, age and reference, 93 references with DOI or PMID where the site has one, the chart and table datasets, and a plain description of the five number-skill screening games. Ask an assistant "what share of children have dyscalculia, and which study says so?" and it answers from sourced figures. Read-only.
Tools
| Tool | What it returns |
|---|---|
get_prevalence | Prevalence figures with sample size, publication year, age, reference key and a calc flag; filter by study, age or percent range |
list_studies | Every source the statistics page cites, with the topics it supports (prevalence, sex ratio, comorbidity, persistence, family, maths anxiety, interventions, ...) |
get_reference | One full citation by key (for example shalev2000) with DOI or PMID where the site has one, and the topics that cite it |
explain_screening_test | The five screening games: what each measures, item counts, how items and games are scored in general terms, optional item sets, and the limits |
list_chart_data | The 4 charts and 3 tables on the statistics page with their CSV, JSON and SVG addresses; pass an id to get the rows with notes and reference keys |
get_citation | License (CC BY 4.0 compilation, each figure belongs to its source), citation text, an HTML credit link and downloads |
Every tool is read-only (readOnlyHint). Invalid input returns isError with the valid options. No tool scores a person, takes answers or returns a screening result: explain_screening_test describes the test, nothing more.
Use
Hosted (no install): https://mcp.dyscalculia.io/mcp. Docs for each client: https://docs.dyscalculia.io/mcp
Local:
{ "mcpServers": { "dyscalculia": { "command": "npx", "args": ["-y", "dyscalculia-mcp"] } } }Claude Code: claude mcp add --scope user dyscalculia -- npx -y dyscalculia-mcp. Self-host the HTTP transport: npm run build && PORT=3000 npm run start:http (POST /mcp, stateless, /health), or build the Dockerfile (node:22-alpine, non-root, port 3000).
Honest limits
- There is no global prevalence figure. No worldwide pooled meta-analysis of dyscalculia prevalence was found; the "worldwide" entry is a range across population studies. Studies use different criteria and ages, so figures are not directly comparable, and one English sample gave 1 to 6 percent depending on the cut-off.
- The figures are published research estimates, not a diagnosis of any person. The server gives no advice about a learning difficulty and does not tell anyone whether they have dyscalculia.
- The screening test is a screening of basic number skills. It has no norm sample, no percentiles and no published accuracy study; it does not diagnose dyscalculia and does not rule it out.
- DOIs and PMIDs are exactly those the site prints. Where the site has none, none is given.
Source of the figures: https://dyscalculia.io/dyscalculia-statistics · Method: https://dyscalculia.io/methodology
Data CC BY 4.0 (see dyscalculia-data), code MIT.