Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Sourced AI-model pricing and capability data — compare and route to the cheapest capable model.
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.
Pick the AI app you use, then copy the settings.
AuthorizationValues marked secret are keys to your account. Never share them or paste them into a chat.
You need
Which app do you use?
Pick your app above. We remember it, so next time the button says “Install 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.
Run this in your terminal
claude mcp add --transport http modelglass https://modelglass-api.vercel.app/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": {
"modelglass": {
"url": "https://modelglass-api.vercel.app/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": {
"modelglass": {
"type": "http",
"url": "https://modelglass-api.vercel.app/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 required HTTP headerThese settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
We have not read this server’s tool list yet; we check endpoints in rotation.
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 with the GitHub account Modelglass, which owns the repo
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Not checked yet; we check endpoints in rotation
Not checked yet; we check endpoints in rotation
Not checked yet; we read the tool list when we check the endpoint
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
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.
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 (1.0.2) reached the registry 2 months 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, debuff
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.
Modelglass's VS Code extensions — route dev tasks (and generate video/audio) to the cheapest capable option against your own provider keys, or bring the live Modelglass pricing/capability feed into Copilot's agent mode as MCP tools.
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Modelglass is a pricing-and-capability data layer for AI models — image, video, audio, and LLM — built as a sourced, append-only registry: every price carries a source URL and the date it was verified, and a repricing is a new dated entry, never a silent overwrite. It's served two ways: a free comparison site, and a paid read API + MCP server (https://modelglass-api.vercel.app, POST /mcp) for operators wiring model pricing into their own tooling. Modelglass itself doesn't proxy your traffic or pick a model at runtime — it's the data other people's tools (including both extensions in this repo) read.
An npm workspaces monorepo publishing two independent VS Code extensions, each installable on its own:
| Package | What it is | Marketplace |
|---|---|---|
packages/router | Modelglass Cost-Aware Router — routes dev tasks to the cheapest capable LLM (and generates video via Runway, audio via ElevenLabs) directly against your own provider keys, BYOK, no Modelglass proxy in the request path. Also available directly inside Copilot Chat's model picker. | modelglass.cost-aware-router |
packages/mcp | Modelglass MCP — registers the live Modelglass MCP server directly in Copilot's agent mode, no manual .vscode/mcp.json editing. Seven read-only tools (models, pricing history, competitors, account/tier info) — Copilot's agent decides when to use them, this extension just makes them discoverable. | modelglass.modelglass-mcp |
packages/shared | Internal only, not published. SecretStorage-backed auth (ensureApiKey/peekApiKey) and the Modelglass API base URL, shared by both extensions above. | — |
Both extensions use the same Modelglass account/API key — installing one doesn't require separately authenticating the other. See each package's own README.md for full usage docs, including a screenshot of it in action.
npm install # installs + links all three workspace packages
npm run typecheck # all packages npm run test # all packages (packages without a test script are skipped) npm run build # all packages
npm run build --workspace packages/router npm run package --workspace packages/mcp # -> packages/mcp/*.vsix
To run an extension locally: open packages/router or packages/mcp as the VS Code workspace root and press F5 to launch an Extension Development Host with your changes loaded — standard VS Code extension tooling, no custom launch config needed. See CONTRIBUTING.md for the full local-dev + PR flow.
The router/mcp split is tracked as SCO-434 in the main modelglass repo's Linear project.
Bug reports, fixes, and new features are welcome — see CONTRIBUTING.md and our Code of Conduct.
To report a security vulnerability, follow SECURITY.md instead of opening a public issue.
Questions about Modelglass itself or either extension — email scott@modelglass.com.au.
Copyright © 2026 Modelglass Pty Ltd. Licensed under the MIT License — see LICENSE.