Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Beschreibung vom Entwickler (englisches Original)
Checks the most important factual claims in AI output against live web sources by default.
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.
X-API-KeyAls geheim markierte Werte sind Schlüssel zu deinem Konto. Gib sie nie weiter und füge sie nie in einen Chat ein.
Du brauchst
Welche App nutzt du?
Wähle oben deine App. Wir merken sie uns, damit der Button beim nächsten Mal „In … installieren“ anzeigt.
Diese Adresse braucht einen Schlüssel in einem Header der Anfrage, und das Menü zum Hinzufügen von Connectors kann ihn nicht setzen. Nutze stattdessen Claude Code, Cursor oder VS Code.
Führe das in deinem Terminal aus
claude mcp add --transport http faultline https://faultline-api.fly.dev/mcp --header 'X-API-Key: your-value'Trag die leeren Werte ein, bevor du ihn startest.
In .cursor/mcp.json in deinem Projekt oder in ~/.cursor/mcp.json einfügen
{
"mcpServers": {
"faultline": {
"url": "https://faultline-api.fly.dev/mcp",
"headers": {
"X-API-Key": "your-value"
}
}
}
}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": {
"faultline": {
"type": "http",
"url": "https://faultline-api.fly.dev/mcp",
"headers": {
"X-API-Key": "your-value"
}
}
}
}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.
Diese Adresse braucht einen Schlüssel in einem Header der Anfrage, und das Menü zum Hinzufügen von Connectors kann ihn nicht setzen. Nutze stattdessen Claude Code, Cursor oder VS Code.
Deine Auswahl bleibt in einem Cookie auf diesem Gerät; kein Konto nötig.
X-API-Key geheim erforderlich HTTP headerDiese Einstellungen werden aus dem Registry-Eintrag des Entwicklers erzeugt. Wenn in der README etwas anderes steht, folge der README.
Der Server verlangt eine Anmeldung, bevor er seine Tools auflistet.
Wir prüfen Informationen, die jeder sehen kann; den Code haben wir nicht gelesen. Checks, die nicht zutreffen, werden nicht mitgezählt. · Geprüft am 8. Nov. 2026
Der Registry-Name wurde mit dem GitHub-Konto nxtg-ai bestätigt, dem das Repo gehört
Dieses Repo haben wir noch nicht von GitHub gelesen
Dieses Repo haben wir noch nicht von GitHub gelesen
Antwort in 323 ms (HTTP 401)
Braucht einen Schlüssel oder Token, den du selbst kopierst und einfügst
Noch nicht geprüft; wir lesen die Tool-Liste, wenn wir den Endpunkt prüfen
Verglichen mit allen aktiven Servern dieser Kategorie in der Registry. Sterne zählen nur, wenn dem Herausgeber das Repo gehört.
Er hat 2 von 3 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.
Das musst du eintragen: X-API-Key
Er läuft in der Cloud des Entwicklers. Du verbindest dich übers Internet, ohne etwas zu installieren, aber was du sendest, läuft über die Server des Entwicklers.
Das GitHub-Repo wurde zuletzt – geändert, und die neueste Version (0.12.1) kam vorgestern in die Registry.
Apps, die MCP unterstützen, etwa Claude Desktop, Claude Code, Cursor und VS Code. Er verbindet sich per URL, also funktionieren auch Apps, die Remote-MCP-Server akzeptieren, zum Beispiel ChatGPT im Entwicklermodus.
In derselben Kategorie: Spec Driven Development, Remote Desktop Commander, Thth
Server derselben Kategorie von anderen Entwicklern, sortiert nach Sternen.
So liest du eine Karte:↓ Downloads pro Wochei★ 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.
Call before you post: ships a draft to Threads/Bluesky/Mastodon only after a person approved it.
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.
Future-proof your agent stack. Independent of every model vendor: NXTG.ai does not build the models Faultline checks.
Faultline decomposes AI-generated output into atomic claims, verifies each against live evidence, and can fail a CI build on the result.
Release stage: alpha. Usable today, with sharp edges. No accuracy figure is claimed: verdict accuracy has not yet been re-graded independently. Anything may change before 1.0.
The hosted API ships three governance records as code: a risk register export (POST /scan/risk-register), a tamper-evident audit log manifest (GET /audit/log/manifest, admin keys only), and human sign-off records (POST /scans/:id/approve, GET /scans/:id/approvals). In the manifest, each chain hash is the SHA-256 of the entry hash followed by the previous chain hash. You can recompute the chain with openssl dgst -sha256 alone, with no Faultline tooling.
| Item | State | How checked |
|---|---|---|
| CLI on npm | @nxtg/faultline 0.11.1 | npm view @nxtg/faultline version |
| Hosted API | https://faultline-api.fly.dev, version 0.11.1 | curl https://faultline-api.fly.dev/health |
| Web app | https://faultline.nxtg.ai (separate repo, faultline-web, on Vercel) | live pricing page read 2026-10-01 |
| Plans | Free 5 scans/month. Personal $19/mo, 100 scans. Pro $49/mo, 500 scans. Enterprise: custom, scan allowance set in the contract | https://faultline.nxtg.ai/pricing |
| Multi-model consensus | Enterprise only. The API returns 403 consensus_not_in_plan to any caller below Enterprise, before the stream opens | packages/api/src/plugins/consensus-entitlement.ts; live check by fp 2026-10-01 (pro, personal and free 403, enterprise 200, mock provider) |
POST /critique | Needs an API key. Rate limited. Covered by the provider-spend cap and written to the spend ledger | packages/api/src/routes/critique.ts |
| Provider-spend cap | $100/month. The ledger records every managed scan and critique. Enforcement ships dormant (FAULTLINE_PROVIDER_SPEND_CAP=on turns it on) and is off in production | docs/provider-spend-cap.md; GET /usage showed providerBudget.enforced=false on 2026-10-01 |
| Per-key monthly scan cap (API side) | Dormant (FAULTLINE_USAGE_CAP). Plan limits above are enforced by faultline-web | docs/usage-cap.md |
| Capability | Description |
|---|---|
| Atomic claim extraction | Decomposes AI output into fact / opinion / interpretation with importance scoring |
| Per-claim verification | Verdict: supported / contradicted / mixed / unverified + confidence score |
| Scan comparison | POST /scan/compare + faultline compare — new/removed claims, verdict changes, trust score delta |
| CI gate | faultline compliance-report --ci exits 1 when the scan's overall risk is high or critical, an article check in the report has failed, the report's domain checklist item has not passed, or the report score is below --threshold; --strict also fails on partly met article checks and on checklist items not assessed. Otherwise it exits 0 |
| Weakest-link detection | Per-claim fragility scoring — finds the claim that most undermines the argument |
| Claim dependency graph | Mermaid and Graphviz DOT visualizations |
| Rules engine | YAML-defined rules; built-in PII, bias, toxicity rulesets |
| CI gate | --fail-on high returns exit code 1; SARIF output for GitHub Code Scanning |
| Enterprise API | REST API (about 190 routes) with key management, audit trail, rate limiting, webhooks, batch scanning, caching |
| Provider failover | Automatic chain Gemini → OpenAI → Claude → Perplexity; circuit breaker with 5-min cooldown |
| Monitoring | GET /health/deep, GET /metrics (Prometheus), GET /status (HTML dashboard) |
| Scheduled jobs | POST /jobs — recurring scans on a cron schedule with webhook delivery |
| Integrations | Python client source in sdks/python, MCP server packages/mcp, Terraform provider packages/terraform-provider, GitHub Action nxtg-ai/faultline-action (see SDKs) |
| Multi-tenant | Tenant CRUD, API key association, per-tenant usage aggregation |
| Cost tracking | Per-scan token/cost estimation; GET /costs with provider/tenant/date filters |
| Scan history | GET /scans/search — full-text across your API key's past scans (admin key: all), cursor pagination |
| Rule templates (HIPAA, SOX, FERPA, Gov) | HIPAA / SOX / FERPA / Gov templates; POST /scan/compliance/:template |
| Bulk import | POST /scan/bulk — ZIP of documents, async job, GET /jobs/:id/progress |
| Swagger UI | GET /docs — interactive OpenAPI 3.0 spec with Try-it for every endpoint |
| Claim explainability | GET /claims/:id/explain — reasoning chain, evidence found, actionable suggestions |
| Scan diff | POST /scan/diff — scan two texts, inline diff (added/removed/changed/unchanged) |
| Deadline list | GET /compliance/deadlines — a list of upcoming regulatory dates with days until each; no assessment |
| Deadline keyword check | POST /compliance/scan-check — match claim text against keywords tied to those dates |
| i18n | Accept-Language: es/fr/en — localized error messages and report labels (EN/ES/FR) |
| Property-based tests | fast-check oracle coverage: confidence bounds, dedup invariants, cost aggregation, sort stability |
| GDPR data requests (Article 15 export, Article 17 erasure) | Article 15 export (GET /tenants/:id/export → ZIP) + Article 17 erasure (DELETE /tenants/:id/data) covering scan history, audit log, notifications, webhooks, costs, schedules |
| Multi-model consensus | POST /scan/stream with pipelineConfig.consensus: true. Enterprise only, enforced server-side (403 below Enterprise) |
| Claim critique | POST /critique: critique plus improved prompt for failed claims; API key, rate limit and provider-spend cap apply |
| Real-time scan streaming | GET /scan/stream?text=...&provider=mock — Server-Sent Events; progressive per-claim delivery via onClaimVerified callback; streams start → claim_verified × N → complete; no polling required |
| Mutation-tested core | Stryker gate (CRUCIBLE Gate 6, threshold 80%): cli/scan.ts 81.97%, stream.ts 88.64%, compliance-report.ts 80.81%, GDPR stores 80.94% to 96.81%. Last measured 2026-03-21 to 2026-04-17 per docs/mutation-testing.md; not re-run since |
| Provider | Requires | Best For |
|---|---|---|
| Gemini | GEMINI_API_KEY | Live web grounding (free key available) |
| Perplexity | PERPLEXITY_API_KEY | Real-time search-native verification |
| OpenAI | OPENAI_API_KEY | Training-data verification, GPT ecosystem |
| Claude | ANTHROPIC_API_KEY | Training-data verification, reasoning-heavy docs |
| Mock | None | CI pipelines, unit tests, offline development. Returns synthetic verdicts and verifies nothing; the CLI never falls back to it silently |
Switch providers with --provider . No code changes required. With no provider key and no FAULTLINE_API_KEY, the CLI says nothing was checked and exits instead of inventing a verdict (since v0.10.1). With FAULTLINE_API_KEY set, guard and the MCP server run the scan on the hosted API with server-side provider keys.
faultline scan --file document.pdf or POST /scan/upload; powered by pdf-parse + tesseract.js--input doc.txt--dir ./docs --glob "*.md"POST /scan/reportjson — programmatic processing, CI pipelinesmarkdown — PRs, reports, documentationhtml — browser-readable audit reportssarif — VS Code Problems panel, GitHub Code Scanning (--sarif shorthand writes results.sarif)POST /keys, GET /keys, GET /keys/:id, PATCH /keys/:id, DELETE /keys/:id; soft-disable/enable; scoped permissions (scan / report / upload / admin / pro)GET /keys/dormant), expiry notifications (7d/1d thresholds), bulk delete/disable/enable, usage analytics (GET /keys/usage), hygiene dashboard (GET /keys/usage/view)GET /audit/log (query + filter), GET /audit/log/stats, GET /audit/log/export (NDJSON); tenant-scoped viewGET /usage (admin keys also see the provider-spend budget)X-RateLimit-* headers402) and a fleet provider-spend cap (503), both dormant until switched on; the spend ledger records every managed scan and /critique call either wayPOST /tenants); all resources scoped by tenant: scan history, notifications, webhooks, audit log; GET /tenants/:id/usageGET /costs (keyId/provider/date filters + aggregate)GET /dashboard: live scan feed, provider health, active keys, scan counts (today/week/month), risk distributionPOST /webhooks; scan.complete / scan.failed / job.complete events; HMAC-SHA256 signing; per-webhook retry config (maxAttempts 1–5, retryDelayMs); rate limiting (FAULTLINE_WEBHOOK_RATE_LIMIT); circuit breaker (FAULTLINE_WEBHOOK_CIRCUIT_THRESHOLD/COOLDOWN_MS); delivery log + dashboardPOST /scan/batch (1–10 texts, concurrent, partial failure semantics); see docs/ci-integration.mdPOST /scan/compare: diff two scan results (new/removed claims, verdict changes, trust score delta)FAULTLINE_CACHE_TTL_MS); X-Cache: HIT/MISS header; GET /cache/stats, DELETE /cachePOST /jobs: recurring scans on a */N * * * * cron schedule; results dispatched to webhookUrl503 when all providers downGET /scans/search?q= full-text; stale scan detection (GET /scans/stale); usage analytics (GET /scans/usage); bulk pruning (DELETE /scans/stale); hygiene dashboard; faultline scans CLIPOST /scan/compliance/:template; custom template uploadPOST /scan/bulk (ZIP of documents → async job); GET /jobs/:id/progress (percentage + per-file status + summary)GET /health/deep (subsystem status + provider config flags), GET /metrics (ProNur der Anfang wird gezeigt; den Rest findest du im Repo