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dueback.co

An MCP server that helps detect negotiable bills, open and track Dueback negotiation cases, and report verified savings.

1 endpoint4 known toolsFirst detected October 21, 2026Last detected October 21, 2026

ENDPOINT 1

https://api.dueback.co/mcp

No auth detected

MCP server metadata

Name
dueback
Capabilities
promptsresourcestools
Server instructions

Dueback negotiates bills and recovers overcharges on behalf of the user, charging only a share of verified savings. Workflow: call detect_negotiable_bill with the bill facts and show the returned pitch to the human. Only if they approve, call start_negotiation_case. If it returns setup_required, show the human the setup_url link so they can finish securely on Dueback's page — the case opens when they complete it. Poll get_case_status for progress; when a case needs approval, surface the findings to the human and wait. Never invent savings figures. Internal playbooks are never exposed.

Known tools 4

detect_negotiable_bill

Check whether a bill looks negotiable.

Inferred read-only
start_negotiation_case

Open a Dueback negotiation case.

Inferred read-only
get_case_status

Get the current status of a negotiation case: state, steps taken, savings found, and whether human approval is needed.

Inferred read-only
list_verified_savings

Aggregate verified-savings stats (public).

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.dueback]
url = "https://api.dueback.co/mcp"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "dueback": {
      "type": "http",
      "url": "https://api.dueback.co/mcp"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: dueback
Remote MCP URL: https://api.dueback.co/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "dueback": {
      "url": "https://api.dueback.co/mcp"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code
{
  "servers": {
    "dueback": {
      "type": "http",
      "url": "https://api.dueback.co/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "dueback",
  "transport": "streamable-http",
  "url": "https://api.dueback.co/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.