Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Beschreibung vom Entwickler (englisches Original)
Local-first visual regression for AI agents: verdicts, diff images, explain_snapshot. No API key.
Diese drei werden nie zu einer Punktzahl zusammengefasst: Meinungen, Messungen und Beliebtheit sind verschiedene Dinge.
Für diesen Server haben wir noch keine Zusammenfassung in einfacher Sprache geschrieben. Unten stehen die Fakten, die wir aus der Registry gelesen haben.
Wähle die KI-App, die du nutzt, und kopiere die Einstellungen.
Du brauchst
Welche App nutzt du?
Wähle oben deine App. Wir merken sie uns, damit der Button beim nächsten Mal „In … installieren“ anzeigt.
Öffne Claude Desktop → Settings → Developer → Edit Config und füge dies in claude_desktop_config.json ein
{
"mcpServers": {
"testiv": {
"command": "npx",
"args": [
"-y",
"@testivai/mcp"
]
}
}
}Führe das in deinem Terminal aus
claude mcp add testiv -- npx -y @testivai/mcpIn .cursor/mcp.json in deinem Projekt oder in ~/.cursor/mcp.json einfügen
{
"mcpServers": {
"testiv": {
"command": "npx",
"args": [
"-y",
"@testivai/mcp"
]
}
}
}Dein Browser fragt, ob er die App öffnen darf, dann zeigt die App die Einstellungen und bittet dich um Bestätigung. Schlüsselwerte bleiben leer, damit du sie selbst einträgst.
In .vscode/mcp.json in deinem Projekt einfügen
{
"servers": {
"testiv": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@testivai/mcp"
]
}
}
}Dein Browser fragt, ob er die App öffnen darf, dann zeigt die App die Einstellungen und bittet dich um Bestätigung. Schlüsselwerte bleiben leer, damit du sie selbst einträgst.
Dieser Server läuft auf deinem Computer, und ChatGPT kann sich nur mit Servern im Internet verbinden. Wähle eine andere App.
Deine Auswahl bleibt in einem Cookie auf diesem Gerät; kein Konto nötig.
Diese Einstellungen werden aus dem Registry-Eintrag des Entwicklers erzeugt. Wenn in der README etwas anderes steht, folge der README.
Läuft auf deinem Computer; die Tool-Liste erscheint nach der Installation in deiner KI-App.
Wir prüfen Informationen, die jeder sehen kann; den Code haben wir nicht gelesen. Checks, die nicht zutreffen, werden nicht mitgezählt. · Geprüft am 6. Nov. 2026
Der Registry-Name wurde über die Domain testiv.ai bestätigt (die Registry prüft, wem die Domain gehört)
Dieses Repo haben wir noch nicht von GitHub gelesen
Dieses Repo haben wir noch nicht von GitHub gelesen
Dieser Server läuft auf deinem Computer; es gibt keinen Endpunkt im Internet
Läuft auf deinem Computer und nutzt stattdessen lokale Einstellungen
Läuft auf deinem Computer; Tool-Listen können wir nur von Endpunkten im Internet lesen
Verglichen mit allen aktiven Servern dieser Kategorie in der Registry. Sterne zählen nur, wenn dem Herausgeber das Repo gehört.
Er hat 1 von 1 zutreffenden Basischecks bestanden. Den Code haben wir nicht gelesen. Bevor du einen Schlüssel oder Token hinzufügst, sieh nach, welche Zugriffe der Server verlangt, und nutze einen Schlüssel, der nur die Berechtigungen hat, die du brauchst.
Die Registry nennt keinen erforderlichen Schlüssel, manche Server bitten dich aber bei der ersten Nutzung, dich anzumelden.
Er läuft auf deinem Computer. Deine KI-App startet ihn bei Bedarf, und die Daten laufen nicht über die Server des Entwicklers (außer der Server ruft selbst einen Onlinedienst auf).
Das GitHub-Repo wurde zuletzt – geändert, und die neueste Version (0.9.2) kam vorgestern in die Registry.
Apps, die MCP unterstützen, etwa Claude Desktop, Claude Code, Cursor und VS Code. Außerdem brauchst du Node.js auf deinem Computer.
In derselben Kategorie: Spec Driven Development, Remote Desktop Commander, Symantec Cloud DLP AIops
Server derselben Kategorie von anderen Entwicklern, sortiert nach Sternen.
So liest du eine Karte:★ GitHub-SterneiDrei Säulen: Bewertungen · Checks · NutzungiAktualisiert = neueste Version in der Registry veröffentlichti
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.
Governed Symantec Cloud DLP — 14 MCP tools, read-only with audit.
Unverändert aus dem Repo des Entwicklers übernommen. PopNx MCP hat den Inhalt weder geprüft noch empfiehlt es ihn. HTML, Bilder und Skripte wurden entfernt. Links führen von dieser Website weg.
MCP (Model Context Protocol) server that gives AI coding agents eyes on your visual regression results. The agent changes UI code, runs your test suite, then uses these tools to find out what actually changed on screen — and whether it is a real change, likely render noise, or a case the DOM and style signals cannot settle.
| Tool | What it does |
|---|---|
get_visual_results | Reads visual-report/results.json; when two or more snapshots share one environment change, opens with one line saying so and how many of them are rendering drift; then returns a one-line verdict per snapshot: unhealthy capture (a web font or stylesheet failed to load in the current capture or the baseline, named in the verdict: a glitch of the capture or a broken asset, never noise and never to be approved as a baseline; said before any other reading) / passed (an auto-passed diff says which configured criterion passed it) / size changed (the current capture's dimensions differ from the baseline's: a taller or shorter page is read with the DOM summary and the page shift, and with an identical DOM it is the same content laid out differently, not content added; a width change is the viewport or device scale, not the page; every padded pixel counts as changed, so it is never passed and never noise) / rendering drift (the DOM and computed styles both match and the environment the snapshot was captured in changed since the baseline: a browser build, OS or distro, device scale or capture method, named in the verdict; the machine changed, not the page, so it is never called noise) / likely render noise (the DOM and computed styles both match and the diff is small and scattered; still not proof) / concentrated in one area or large (the DOM and computed styles match, but every diff region fits in a box covering at most a third of the page, or over 1% of pixels differ: a bad capture or a change the style check does not cover, such as size, overflow, transform or an image, so compare the images before approving) / style-only change (identical DOM, different computed styles: a real change) / structural change (with the DOM summary) / styles not compared (identical DOM, style check unavailable: could be render noise or a stylesheet-only change, so compare the images before approving). Snapshots that share an identical signal (style-only change on the same elements, the same page shift, identical DOM with styles not compared, a large spread-out diff, likely render noise) are grouped first; a diff concentrated in one area, or an unhealthy capture, is never grouped. Each missing baseline (committed, but no capture this run) gets its own line (several share one verdict line, so a partial run stays short), with nothing to approve: an intended removal deletes the baseline directory. It ends with the paths to open the HTML report and each diff image |
explain_snapshot | Layered evidence for one snapshot: pixel regions and the shape of the diff (layers.pixel.shape: scattered, concentrated or large), element attribution (which selectors shifted vs changed, whole-page shift), the DOM/style signal, the capture environment (layers.environment: what changed since the baseline, the rendering changes worded, and whether the diff is rendering drift), the capture health (layers.health: what failed to load in each capture and which side is unhealthy), and interpretation guidance; for a missing baseline, status missing, the committed baseline files and what to check instead |
get_report | The raw results.json payload, for agents that parse structured data |
get_diff (alias get_snapshot_diff) | Returns the baseline, current, and diff images for one snapshot so the agent can see the change: the full page downscaled to fit model context (it shows where the changes are), then, when it had to be downscaled, each changed region cropped at native scale with 32 px around it and as wide as the page (up to 1280 px), so text, wrapping and clipping stay readable on a tall full-page capture (up to 3 crops per call, each at most 1280×1024 px and 2,000,000 px in all; nearby regions share a crop, changes come before shifts, a wider area is sampled at 1/2 scale or smaller, a taller one shows its top rows, and after a size change each capture is cut to its own bounds). region (an index the response lists), or y and height (a full-width band), return only that crop; for a missing baseline, the committed baseline image only |
list_baselines | Lists the committed baselines under .testivai/baselines/ |
approve_snapshot / approve_all | Promote reviewed captures to committed baselines (same as testivai approve), only after a human confirms |
The server also ships two prompts. review-visual-changes walks the agent through a full review: summary, explain_snapshot per change, diff images when the evidence is ambiguous, and a recommendation per snapshot. triage-visual-diff (optional snapshot and intent arguments) sorts each diff, and each missing baseline, into glitch, intended change, bug or possible bug, with the evidence and a next step; a changed DOM or changed computed styles is never a glitch, and neither is a missing baseline. The same rules run in CI with the testivai/testivai-oss/review@v1 action.
approve_snapshot and approve_all exist so a human who has looked at a diff can say "approve it" in the conversation and have the agent carry it out. They are not for the agent to decide on its own: approving rewrites what "correct" means, so an agent that approves its own change can launder a regression into the baseline. Both tool descriptions, the review-visual-changes prompt, and every get_visual_results response say so. After approving, commit .testivai/baselines/.
In Claude Code the client enforces this: both approve tools are marked anthropic/requiresUserInteraction, so Claude Code asks you on every approve call, even in auto-approving permission modes. To turn that off, start the server with --no-approval-prompt or set "mcpApprovalPrompt": false in .testivai/config.json (the flag wins); the approve tools then follow your client's own permission settings. Walkthrough: Review and approve in Claude Code.
The other approval paths stay available: npx testivai approve locally, or a /testivai approve comment on the pull request.
claude mcp add testivai -- npx -y @testivai/mcp
// .cursor/mcp.json (or your client's equivalent)
{ "mcpServers": { "testivai": { "command": "npx", "args": ["-y", "@testivai/mcp"] } } }
The server reads the project from its working directory (pass --root to override) and respects reportDir from .testivai/config.json.
npx playwright test (the TestivAI reporter captures + diffs).get_visual_results and sees, for example, homepage: changed (4.20% pixels differ) and the DOM changed (2 added, 1 removed, 0 attribute changes) — a real structural change; confirm it is intended before approving.explain_snapshot homepage for the evidence, and get_diff homepage to look at the images (the full page, then the changed regions at native scale), then confirms the change matches the task (or fixes its own regression).approve_snapshot; otherwise the human approves with npx testivai approve or /testivai approve on the PR.Local mode only — no account, no API key, nothing leaves the machine.
Full integration guide (instructions-file level, MCP level, zero-test-suite apps, real transcript): docs/guides/ai-agents.md