Koskamo

UK Subcontractor Right to Work Checker MCP

An MCP server providing AI agents with tools to determine if a UK business must perform right-to-work checks on subcontractors under the Border Security, Asylum and Immigration Act 2025, and to retrieve guidance on how to conduct these checks.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

UK Subcontractor Right to Work Checker MCP logo, by Nero LabsCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-06Published by Nero Labs
MCP endpoint (Streamable HTTP)
https://subcontractor-check.nerolabs.workers.dev/mcp
Vendor documentation

What its tools do

2 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

2 of 2 have a description · 2 of 2 declare behavior hints · 1 of 1 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Check subcontractor right-to-work duty
  • Retrieve how-to guidance for right-to-work checks

Source and maintenance

Community listingRegistry 1.0.0

Protocol and capabilities

Server
uk-subcontractor-right-to-work 1.0.0
MCP protocol negotiated in check
2025-11-25
Tools
2 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {}
}

Tools

2 advertised

check_subcontractor_right_to_work_duty — Check if a UK subcontractor needs a right to work check
Advertised by the server during the last successful anonymous check.
Advertised read-only

UK only. Says whether a business must do a right to work check on a subcontractor, gig worker or platform worker under the rule in force from 1 October 2026 (Border Security, Asylum and Immigration Act 2025, s48), and what to do. Free. General information, not legal advice.

check_subcontractor_right_to_work_duty input schema
{
  "type": "object",
  "required": [
    "role"
  ],
  "properties": {
    "role": {
      "enum": [
        "business",
        "platform",
        "agency",
        "homeowner"
      ],
      "type": "string",
      "description": "Who is asking: a business taking on self-employed people for its jobs, an app or platform matching workers to customers, an employment agency, or a homeowner hiring a tradesperson."
    },
    "start_date": {
      "type": "string",
      "description": "Date the contract or arrangement with the worker was agreed (entered into), YYYY-MM-DD. Optional."
    },
    "contract_holder": {
      "enum": [
        "me",
        "my_subcontractor"
      ],
      "type": "string",
      "description": "Who has the contract with the worker: the asking business directly, or one of its subcontractors."
    },
    "work_arrangement": {
      "enum": [
        "individual",
        "limited_company",
        "own_business_many_customers"
      ],
      "type": "string",
      "description": "How the worker works: as an individual (sole trader or worker's contract), through their own limited company, or as an independent business with many customers of its own."
    }
  }
}
check_subcontractor_right_to_work_duty annotations
{
  "title": "Check if a UK subcontractor needs a right to work check",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}
how_to_do_a_right_to_work_check — How to do a UK right to work check
Advertised by the server during the last successful anonymous check.
Advertised read-only

UK only. Returns the three accepted ways to check someone's right to work, what records to keep and for how long, and the fines. Free.

how_to_do_a_right_to_work_check input schema
{
  "type": "object",
  "properties": {}
}
how_to_do_a_right_to_work_check annotations
{
  "title": "How to do a UK right to work check",
  "readOnlyHint": true,
  "openWorldHint": false,
  "idempotentHint": true,
  "destructiveHint": false
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

90-day uptime

A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.

Too few checks for a percentage yet (1 of 1 answered).

  1. 2026-11-06: 1 of 1 checks answered

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
385 ms
95th percentile latency
385 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 385 ms · metadata changed · 2 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http uk-subcontractor-right-to-work-checker-mcp https://subcontractor-check.nerolabs.workers.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add uk-subcontractor-right-to-work-checker-mcp --url https://subcontractor-check.nerolabs.workers.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable uk-subcontractor-right-to-work-checker-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "uk-subcontractor-right-to-work-checker-mcp": {
      "url": "https://subcontractor-check.nerolabs.workers.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "uk-subcontractor-right-to-work-checker-mcp": {
      "type": "streamableHttp",
      "url": "https://subcontractor-check.nerolabs.workers.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start uk-subcontractor-right-to-work-checker-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "uk-subcontractor-right-to-work-checker-mcp": {
      "type": "http",
      "url": "https://subcontractor-check.nerolabs.workers.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http uk-subcontractor-right-to-work-checker-mcp https://subcontractor-check.nerolabs.workers.dev/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://subcontractor-check.nerolabs.workers.dev/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "uk-subcontractor-right-to-work-checker-mcp": {
      "serverUrl": "https://subcontractor-check.nerolabs.workers.dev/mcp"
    }
  }
}

Let your agent find its tools

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