Signal Before Action.

MCP Quickstart

Hosted workflow intelligence MCP: https://mcp.sentinelsignal.io/mcp

Free no-signup trial key: POST https://token.sentinelsignal.io/v1/keys/trial

Get a key now: /portal/track/trial-key

Smithery listing: @sentinelsignal/scoring (listing page)

Hosted setup guide: /portal/track/mcp-quickstart

MCP server quality index: /portal/track/verify

Local package fallback: uvx sentinel-signal-mcp

Hosted remote MCP (Streamable HTTP): https://mcp.sentinelsignal.io/mcp

Smithery listing: @sentinelsignal/scoring (gateway URL)

Claude Desktop / Cursor / Windsurf use the same MCP config shape:

{
  "mcpServers": {
    "sentinel-signal": {
      "command": "uvx",
      "args": ["sentinel-signal-mcp"],
      "env": {
        "SENTINEL_BASE_URL": "https://api.sentinelsignal.io",
        "SENTINEL_TOKEN_BASE_URL": "https://token.sentinelsignal.io"
      }
    }
  }
}

PyPI: sentinel-signal-mcp | Smithery: @sentinelsignal/scoring | Portal docs: /portal/docs-home | Hosted guide: /portal/track/mcp-quickstart | Verify: /portal/track/verify

What it is

Sentinel Signal gives operators and agents one workflow surface for healthcare claims automation.

Send a payload -> get a stable score, confidence, and explanation back before a claim hits the work queue.

Discover workflows, fetch payload schema, validate without scoring, then batch queue items when you are ready to automate.

Use healthcare workflows for pre-submission claim routing, prior-auth review, and reimbursement variance analysis.

Close the loop with POST /v1/feedback using scoring x-request-id values.

One workflow surface. No glue code. Just signal.

The platform is built around deterministic scoring, schema-first onboarding, and hosted MCP access for healthcare operations teams.

Start with these 3 demo flows

• Trial key -> first healthcare score -> limits and usage check
• Hosted MCP -> denial review or reimbursement analysis in Claude, Cursor, Windsurf, or Smithery
• Same-key upgrade -> Stripe checkout -> keep calling /v1/score

Walkthrough: /portal/blog/denial-risk-triage-demo-flows | Demo asset: /portal/mcp-demo

From the Portal Blog

Launch notes live in the portal so operators can track new endpoints, integrations, and workflow changes without leaving the product surface.

Latest post: Caller-Owned IDs and Validate-First Guard for Faster Integrations

Also read: Three Demo Flows for Denial-Risk Triage

Quickstart (copy/paste)

This example uses healthcare.denial. The same request envelope also supports prior-auth and reimbursement workflows.

Request

curl -s https://api.sentinelsignal.io/v1/score \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "workflow": "healthcare.denial",
    "payload": {
      "external_claim_id": "CLM-SS-0001",
      "service_date": "2026-02-14",
      "provider_id": 1021,
      "payer_id": 44,
      "cpt_code": "99213",
      "icd10_code": "E119",
      "billed_amount": 250.00,
      "place_of_service": "11",
      "network_status": "in_network"
    },
    "options": {
      "operating_point": "high_recall",
      "distribution_profile": "commercial_beta"
    }
  }'

Response

{
  "workflow": "healthcare.denial",
  "score": 0.81,
  "risk_level": "high",
  "confidence": 0.92,
  "model_version": "0.3.3",
  "explanation": {
    "top_factors": [
      "High billed amount vs typical band",
      "CPT/payer prior denial pattern",
      "Out-of-policy place-of-service mix"
    ]
  },
  "details": {
    "workflow": "healthcare.denial",
    "denial": {
      "denial_probability": 0.81,
      "operating_point": "high_recall",
      "distribution_profile": "commercial_beta",
      "routing_source": "explicit"
    }
  },
  "scored_at": "2026-02-14T12:00:00Z"
}

OpenAPI: /openapi.json | Docs: /portal/docs-home

Discovery: GET /v1/workflows | Schema: GET /v1/workflows/healthcare.denial/schema | Validate: POST /v1/workflows/healthcare.denial/validate | Batch: POST /v1/score/batch

Portal Tools

The main portal includes instant trial-key issuance, self-serve dashboard onboarding, interactive API docs, and workflow demos for healthcare. Developer tools run through the portal browser proxy so they work from the same namespace.

Use /portal/dashboard to mint a trial key instantly, choose a healthcare product preset, or sign up/log in to manage workspace keys and billing.

Interactive docs and demo requests run through the host-aware portal proxy at /portal/staging (prod on sentinelsignal.io, staging on dev.sentinelsignal.io).

Pricing

Trial: 1,000 scoring calls/month free (instant key, no signup)

Starter: 1,000 scoring calls/month free (admin-assisted / workspace-managed)

Growth: $0.003 per scoring call after the first 1,000 monthly calls

Pro: $99/month includes 50,000 calls, then $0.0020/call to 250,000 and $0.0015/call after that

Enterprise: volume + SLA

Stripe Checkout is built into /portal/dashboard; trial keys can upgrade in-place and workspace billing/key lifecycle lives in the same flow.

Trust & governance

Scores are decision support, not decisions.

No payload retention by default (processed in-memory).

Feedback notes are short, structured, and screened for PHI-like patterns.

Observability endpoints: /metrics is public Prometheus scrape output, while /metrics.json is a protected snapshot (bearer token with metrics:read, schema 1).

Latest validation snapshot (2026-02-17 UTC): local full 5-seed run p95 latency 66.87 ms; Fly dual-machine rerun p95 latency 529.02 ms on API profile 2 x shared 4 vCPU / 4096 MB.

Drift-aware scoring and model governance processes available in docs.

Model validation & governance | Security overview