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RegEvidenceHub Sponsor

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RegEvidenceHub Sponsor: UK Skilled Worker sponsor-change preflight with GOV.UK evidence.

Source code Website Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http regevidencehub-sponsor 'https://works.regevidencehub.com/ai/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "regevidencehub-sponsor": {
            "type": "http",
            "url": "https://works.regevidencehub.com/ai/mcp"
        }
    }
}

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. England Works Watch
  2. Free entry and customer checkpoint
  3. Public service
  4. Decision contract
  5. V0.1 scope
  6. Validation gate
  7. MCP tools
  8. x402
  9. Public discovery
  10. Architecture
  11. Safety

England Works Watch

UK sponsor compliance/change intelligence for AI agents and employer workflows.

This product converts current UK Home Office sponsor guidance into deterministic, evidence-linked change-impact decisions for Skilled Worker sponsors. It is designed for employer HR/People Ops agents, HRIS/payroll/recruitment workflows, sponsor-compliance tooling, and regulated adviser tooling. It is not an individual visa-advice chatbot.

Free entry and customer checkpoint

  • Product page: RegEvidenceHub England Works Watch.
  • Free MCP entry: service information, official-source status, and supported change-event discovery.
  • Customer checkpoint: create a sponsor evidence checkpoint for £49 / 30 days. The period allows re-checks of the same evidence; there is no auto-renewal or alert subscription.
  • Commercial MCP decisions use separate x402 charges; see x402.

Public service

Canonical RegEvidenceHub product page:

https://regevidencehub.com/products/works.html

Human 30-day guidance monitoring workflow:

https://works.regevidencehub.com/monitoring-report

AI-safe MCP endpoint:

https://works.regevidencehub.com/ai/mcp

Commercial MCP endpoint:

https://works.regevidencehub.com/mcp

Decision contract

Every supported change returns exactly one of:

  • AFFECTED
  • NOT_AFFECTED
  • REVIEW_REQUIRED
  • INSUFFICIENT_INPUT

Every substantive decision includes rule-pack version, effective date, rationale, official GOV.UK evidence, source version, source locator, and required next action where applicable. Missing critical facts, unsupported routes, contradictory inputs, or non-current source evidence fail closed.

V0.1 scope

Supported events: worker start delay; unauthorised absence; unpaid/reduced-pay absence; salary change; role/occupation change; normal work-location change; stopping sponsorship; sponsor organisation changes; TUPE transfer; merger/takeover.

Route scope is deliberately limited to Skilled Worker + sponsor duties.

Validation gate

  • 10 independent change-impact cases
  • 6 negative controls
  • 5 sponsor-event cases
  • 4 explicit fail-closed cases
  • 25 / 25 current fixture decisions passing

MCP tools

Free: england_works_watch_info, licensing_source_status, list_supported_change_events.

Decision: assess_change_impact, batch_assess_changes (up to 25 events).

Production transport is stateless Streamable HTTP at /mcp.

x402

Base mainnet eip155:8453, USDC, exact scheme, PayAI facilitator. assess_change_impact is $0.02; batch_assess_changes is $0.05. Payment is controlled by EWW_PAYMENT_ENFORCED; when enabled EWW_X402_PAY_TO is mandatory.

The free tools provide scope, supported-event vocabulary and official-source status. Paid tools add a deterministic change decision, evidence-linked rationale, required action/deadline fields, and explicit REVIEW_REQUIRED or INSUFFICIENT_INPUT states. At the x402 boundary, call the paid tool to receive PaymentRequired, sign the accepted Base-USDC authorization buyer-side, then retry the same tool call with payment metadata. The decision is not executed until payment is verified. The public england_works_watch_info tool includes a synthetic example result shape. Never send private keys or seed phrases.

Public discovery

/health, /mcp, /openapi.json, /llms.txt, /.well-known/x402, /.well-known/mcp/server-card.json, /analytics/summary.

Architecture

Agent structured facts -> MCP/x402 boundary -> source lifecycle gate -> deterministic rule engine -> evidence-linked result -> privacy-minimal analytics

There is no server-side LLM in the decision path.

Safety

Evidence-first sponsor compliance preflight only. Not legal advice, a Home Office decision, or a guarantee of compliance. REVIEW_REQUIRED and INSUFFICIENT_INPUT must never be presented downstream as clearance.

Frequently asked questions

What is RegEvidenceHub Sponsor?

RegEvidenceHub Sponsor: UK Skilled Worker sponsor-change preflight with GOV.UK evidence.

How do I install RegEvidenceHub Sponsor?

It runs as a remote server. In Claude Code: claude mcp add --transport http regevidencehub-sponsor 'https://works.regevidencehub.com/ai/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does RegEvidenceHub Sponsor need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is RegEvidenceHub Sponsor open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains RegEvidenceHub Sponsor?

It is published by ChanghuLiu. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.