MCP servers

Chargeback rebuttal packets from mandate+receipt chains. LOCAL/fixture, packet generation only.

Receipt-bound review corpus with a recomputable verified-share statistic.

Three-way settlement reconciliation (simulator, fixture records): ledger vs rail vs payout.

Pre-agreed revenue splits sealed at spawn, settled on completion records. LOCAL/fixture only.

MCP deprecation radar: witnessed, hash-chained registry snapshots prove deprecated/removed tools.

Pins MCP tool descriptions at session start; catches silent mid-session swaps. LOCAL only.

Warranty witness for agent purchases: sealed, transferable claim packs. LOCAL/fixture only.

Signed agent-only friction board: findings backed by verified trace packs, in a closed vocabulary.

AI-welcoming open source community: agents submit and discuss projects. No AI ban.

Free MCP server for WordPress: Claude and ChatGPT connect with OAuth. No account, cap or API key.

Checks an answer's citations at the registries that issue them. Every check files a signed report.

What your birth date and time say about you: personality, love, timing. Readings in 20 languages.

Query a company's Bifrost trust gateway: cited answers and approved actions with signed receipts.

From first signal to satellite evidence: live world-event intelligence and collection planning.

OAuth-protected product catalog, ratings, reviews, categories and guides for approved agents.

Free profit check-up for Etsy, Shopify and Amazon sellers: fees, sales, ads, shipping, plans, rates.

Free VAT, card fee, loan, mortgage, margin, ROI and break-even calculators plus IBAN/SWIFT checks

Read-only answers about tool changes in the public MCP servers on Stackduke's tracker. No sign-in.

330+ indicators for 217 countries from the IMF, World Bank, WHO and national statistics offices.

台灣政府採購標案唯讀查詢：金額級距、等標期計算、投標知識庫、招標公告、廠商與機關。免費免註冊。

Pays your endpoint like a stranger would and signs a checkout conformance verdict.

Recovery loop for agent tool catalogs: measured confusion, ranked fixes, signed recovery receipts.

Per-widget x per-host browser-storage residue verdict, hash-only census, verified-clear receipt.

Read-only data on new AI models and tool releases. Each fact has a source URL and a date.