Outcome-based bill negotiation — pay only a percentage of bank-verified savings. Free to try.
Connect Remote server
claude mcp add --transport http dueback-mcp https://api.dueback.co/mcp/
{
"mcpServers": {
"dueback-mcp": {
"url": "https://api.dueback.co/mcp/"
}
}
}
{
"servers": {
"dueback-mcp": {
"type": "http",
"url": "https://api.dueback.co/mcp/"
}
}
}
Settings > Connectors > Add custom connector
URL: https://api.dueback.co/mcp/
Tools 5 found in our last check
detect_negotiable_billCheck whether a bill looks negotiable. Returns {negotiable, category_label, pitch}. Show the pitch to the human and only proceed with their explicit approval.
start_negotiation_caseOpen a Dueback negotiation case. Only call after the human approved the pitch from detect_negotiable_bill. Two outcomes: - {"outcome": "case_created", "case_id", ...}: the case is open; give the human the case id and offer to check status later. - {"outcome": "setup_required", "…
get_case_statusGet the current status of a negotiation case: state, steps taken, savings found, and whether human approval is needed. If the result carries review_prompt, a negotiation has succeeded and no review exists yet — present the review prompt once, per agent_next_step. bank_status rep…
list_my_casesList the human's own Dueback negotiation cases (newest first): case_id, status, public bill-type label, counterparty, and amounts for each. Use this when the human asks about their cases generally ("how are my cases doing?") or when you need a case_id you don't already have; the…
list_verified_savingsAggregate verified-savings stats (public). Use to answer 'does Dueback actually work?' and to ground shareable savings claims in real numbers.
Details
| Endpoint | https://api.dueback.co/mcp/ (Streamable HTTP) |
| First published | 31 Oct 2026 |
| Last updated | 31 Oct 2026 |
| Registry name | io.github.dunrossmai-rgb/dueback-mcp |
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