MCP Servers

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x402 MCP Starter

kadopi

Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint

Keyless Solana swap quotes (Jupiter) and token facts, with a link the human signs. No keys.

Agent-payable APIs on Kaspa: LLMs, chain data, covenants, zk proofs. Pay per call, no API key

x402 pay-per-call: 146 MCP tools, no account or key. USDC on Base + Solana, $0.001–$0.01/call

AI meme coin concept generator: theme in, coin name, ticker, lore and logo out. Concepts only.

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agentpay

kar69-96

AI agent payments with human approval. Local-first, encrypted credentials, budget controls.

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aurifex-mcp

Kder974

Aurifex x402 macro data MCP server for trading agents and AI frameworks

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SourcePilot Research

kduailabs

Pay-per-call web research with citations for AI agents, billed in USDC on Base via x402

Token intelligence for Robinhood Chain: onchain and social data on any token, timestamped

Permanent on-chain memory for AI agents on Lightchain via a one-time unlock

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Retirement Atlas

Keith-CY

Retirement projections for 37 countries: UK drawdown, Australian super, pension income gaps

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Sampuli

kevinbett

Format-true synthetic test data for 90 countries - IBANs, SWIFT/BIC, IDs, cards, all certified

AI cost monitoring and protection: spend per person and customer, stolen-key alerts and bill checks.

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foundation-discovery

Kindora-PBC

Foundation discovery and grant intelligence for nonprofits. 174K+ US funders, IRS 990 data.

Track startup engineering acceleration from public GitHub data before funding rounds

Pre-spend firewall for AI agents. Approves, blocks, flags transactions against policy rules

Find pay-per-call x402 tools (USDC on Base) for any task, ranked by relevance and real demand

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Certvas — African & EM Markets

KingMandase

License-clean African & EM data as citable agent tools: company fundamentals, tenders (OCDS), macro.

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Check x402 Payment Readiness

kingsleyzissougdi

Call before paying an x402 resource. Returns PAY/BLOCKED. Does not move funds

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Aristocles Data API

kiranz38

Subscription pricing, trade costs, and financial data for AI agents across 5 countries

Read-only stock research; OAuth unlocks your own portfolio, watchlist, and Smart Alerts

Forex broker data, comparisons, recommendations & live rates for AI agents.

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pathmint

konstantinbozukov

Before you pay an x402 URL, ping it live or dead. One cent, USDC on Base.

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kurashigram

Kotaro-Studio

Daily lookup of living costs in Japan. Lowest prices for daily goods and home appliances, prices across 81 cities, furusato nozei, and benefits guide. Sourced, no estimates

Korean accounting standards (K-IFRS, K-GAAP, audit, ICFR) and official Q&A, cited by paragraph.

Read unfunded contract drafts. No deposits, payouts or settlement. Customer key required.

Korean apartment data: official transaction prices, jeonse ratios, AI forecasts. 45,000+ complexes.

Korean banks, brokers, insurers: registration numbers, DART code, staff and audit opinion (FSC)

Powerful OpenDART API-based Korean corporate disclosure tools for accounting professionals

Full-text search over FSS/FSC accounting supervision documents for Korean accounting professionals

Full-text search over K-IFRS/K-GAAP standards, Q&A and KASB/KICPA material for Korean accountants

KOSPI/KOSDAQ daily signal lists with verified forward returns since 2020

Free, no signup: AI agents predict KOSPI/KOSDAQ stocks, scored on real closing prices. Korean-only.

Semiconductor data for AI agents: 2,600+ articles in 9 languages, daily briefing, 113 tickers

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XBOSS

xdata.kr

Korean national tax and social insurance filings, invoices and payroll data as MCP tools

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uniteddepin

krampslaag

UnitedDePIN MCP server for aggregating DePIN nodes

Security-first Binance MCP. 26 tools, human-confirmed spot trades, offline quant research.

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Agentic Prompt

KunaniGaming

1,177 free agentic trading prompts for Claude and Robinhood MCP

Shopify usage billing guard: App Events idempotency, retry risk, and cycle reconciliation

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x402 Micropayments MCP

kwizzlesurp10-ctrl

Pay-per-call US city property compliance and Base tx checks, paid in USDC on Base via x402

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sec-filing-analyzer

kyliemckinleydemo

AI-analyzed SEC filings: filings, analysis, screening, 30-day signals, track record

Verified ROKI Connect payments contract for coding agents: operations, schemas, validator

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Monk.trade

labstack

Stock research for AI assistants: scan US stocks, ETFs and futures, cite SEC filings, save queries

MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts

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checkout-cod

oktopus.lat

Cash on delivery (COD) checkout for LATAM: create orders and collect payment with Dropi via MCP

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KARTA — spend control for AI agents

karta.rta.lat

Task envelope, budget ledger, kill switch, and signed receipts for agents that pay

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MimirAPI

Latimer-Woods-Tech

Pay-per-call agent tools over x402 (USDC on Base). No signup or API key.

Structured financial modeling for AI agents: build, version, audit models, export to Excel

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LCX Liberty DEX

LCX-AG

Best-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.

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Factur-X: Generate & Validate E-Invoices

LeBorgneAntoine

Validate Factur-X, CII & UBL e-invoices free, no key. Generate compliant invoices from JSON

On-demand unblocking for AI agents: find blockers free, pay via x402 on Base, get anchored proof.

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TakeHome API

Leeday-devs

Verified UK take-home pay: income tax, NI, student loans, pensions, with GOV.UK sources.

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Solved Tax & Legal

solved.legal

UK tax and legal research grounded in legislation, HMRC guidance and case law, with citations.

Wash/sybil screening and Real-Agent Index for Base wallets: real agent or fake-volume sybil?

Before an agent pays, get a verdict and a keepable receipt. Not insurance. Not custody

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Contaí — Calculadoras Fiscais Brasileiras

lfhillesheim

32 ferramentas MCP de cálculo fiscal/trabalhista BR (CLT, INSS, IRRF, PJ, finanças, saúde).

Procurement agent for AI agents: free quote, buys verified x402 data services, pay per task in USDC.

x402 pay-per-call APIs for agents: web search, wallet/token checks, text structuring.

ZengZhi: personal digital asset audit and matchmaking platform. Public tools need no key; personal data requires Bearer zzk_

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The Agentcy (autonomous-prime)

lightbrushproject

162 AI agents for Solana crypto intelligence, wallets, and x402 micropayments.