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  • User MCP Server

    bot-qianjinyan
    F
    license
    Not graded
    quality
    C
    maintenance
    Streamable HTTP MCP server that exposes user and billing management tools, resources, and prompts through a REST API, enabling natural language interaction with user profiles, bills, and sharing features.

  • Cerberus

    lz-123123
    A
    license
    Not graded
    quality
    B
    maintenance
    Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.
    484
    2
    MIT

  • UCO Bank MCP Server

    ag2-mcp-servers
    F
    license
    Not graded
    quality
    D
    maintenance
    Enables interaction with UCO Bank APIs through the Model Context Protocol, supporting banking operations such as account lookup, transaction history, and more.
  • Dodo Payments Agent Plugin by dodopayments

    Dodo Payments Agent Pluginofficial

    dodopayments
    A
    license
    A
    quality
    A
    maintenance
    Official Dodo Payments MCP servers - dodopayments-api for live payments, subscriptions, customers, products, refunds, license keys, and usage-based billing (browser OAuth, no API key needed) and dodo-knowledge for semantic search over Dodo Payments documentation.
    2
    59
    6
    MIT

  • @powforge/captcha-mcp

    zekebuilds-lab
    A
    license
    A
    quality
    B
    maintenance
    MCP server that gates API calls to AI agents using proof-of-work (free) or Lightning payment (3 sats), providing challenge, verify, and status tools for per-call authentication without accounts.
    3
    64
    1
    MIT

  • OpenAPI Doctor

    Baneado98
    A
    license
    A
    quality
    C
    maintenance
    A template for building MCP servers with a built-in paywall gate that offers free local execution and premium server-side execution via Stripe and x402 payment lanes.
    1
    MIT

  • isocast-mcp

    jcislo
    A
    license
    A
    quality
    C
    maintenance
    MCP server providing Polymarket weather-market bucket-transition signals for AI agents, with free city/signal inspection tools and paid signal bundles via USDC on Base using x402.
    5
    13
    MIT

  • blank-invoice-maker-mcp

    InnarM
    A
    license
    A
    quality
    B
    maintenance
    Create free, no-signup invoices from your AI assistant — the create_invoice tool returns a link that opens blankinvoicemaker.com pre-filled, ready to download as a watermark-free PDF.
    2
    61
    1
    MIT

  • fabtally-mcp

    zvmzaretsky
    F
    license
    A
    quality
    B
    maintenance
    MCP server for real FDM 3D-printing slicing, quoting, and design-for-manufacturability analysis via the FabTally API, supporting 12 printer profiles and 12 materials. Includes free discovery/printability tools and paid slice/quote/orientation tools settled via x402 (USDC on Base).
    6
  • bolthub by signaltech-org

    bolthubofficial

    signaltech-org
    A
    license
    A
    quality
    A
    maintenance
    Discover and pay for APIs and MCP tools per call over Bitcoin Lightning (L402): search the bolthub marketplace, preview prices, and pay from your own wallet (LND, NWC, LNbits) with hard budgets, prepaid credit, scoped sub-agent delegation, and verifiable receipts. Non-custodial and works without a wallet for search and free tools.
    19
    MIT

  • fidacy-mcp

    lucaslubi
    A
    license
    A
    quality
    A
    maintenance
    Payment firewall for AI agents: a signed, independently verifiable verdict on every money-moving action. Blocks wrong/lookalike payee, over-cap, and duplicate-invoice (BEC) fraud before money moves — anyone can verify a verdict against the public JWKS. Free, local-first, non-custodial.
    2
    12
    1
    Apache 2.0

  • Centrapay MCP Server

    CedricConday
    A
    license
    A
    quality
    A
    maintenance
    Enables interaction with the Centrapay payments API for testing NZ payment flows, including creating, managing, and settling payment requests through natural language.
    9
    13
    1
    MIT