Cms Open Payments is answering right now. Last checked 11 min ago. 337 installs a week from npm. It exposes 55 tools. Last commit 31 Oct 2026.
CMS Open Payments, with annual dataset discovery through the official DKAN API.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 8 August 2026. No other catalogue keeps this.
Today is the operative word: we check Cms Open Payments every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.
claude mcp add cms-open-payments --transport http https://gateway.pipeworx.io/cms-open-payments/mcp
https://gateway.pipeworx.io/cms-open-payments/mcp
[mcp_servers.cms-open-payments]
url = "https://gateway.pipeworx.io/cms-open-payments/mcp"
{
"mcpServers": {
"cms-open-payments": {
"url": "https://gateway.pipeworx.io/cms-open-payments/mcp"
}
}
}
{
"servers": {
"cms-open-payments": {
"type": "http",
"url": "https://gateway.pipeworx.io/cms-open-payments/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
open_payments_company
open_payments_company_history
open_payments_compare_companies
open_payments_nature_breakdown
open_payments_physician
open_payments_product
open_payments_product_history
open_payments_recipient_history
open_payments_research
open_payments_search
open_payments_top_companies
polymarket_arbitrage
polymarket_edge_tracker
polymarket_edges
polymarket_fill_risk
polymarket_kalshi_spread
ask_pipeworx
ask_pipeworx_beta
ask_pipeworx_grounded
archive_compare
archive_evidence
company_facts
company_register_search
pipeworx_feedback
pipeworx_trending
recent_alerts
recent_changes
resolution_audit
resolution_diff
scan_competitor_ai_presence
scan_dependency
updown_divergence_rate
updown_venue_compare
bet_research
classify_row
compare_entities
deep_research
discover_tools
entity_profile
forget
generate_llms_txt
kalshi_weather_edge
prediction_calibration
recall
release_calendar_markets
remember
research_row
resolve_entity
subscribe
list_subscriptions
suggest_questions
unsubscribe
validate_claim
ai_visibility_check
search_within
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://gateway.pipeworx.io/cms-open-payments/mcp | streamable-http | answering | 98 ms | 11 min ago |
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Answers built from our own checks of this server.