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76,047 servers. Updated

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"Providing Mathematical and Scientific Calculation Functions for a Single-Modal LLM" matching MCP servers:

  • 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
  • A
    license
    A
    quality
    A
    maintenance
    A Model Context Protocol server that enables interaction with Monobank API, providing tools for currency exchange rates, client info, and account statements.
    8
    11
    MIT
  • A
    license
    A
    quality
    A
    maintenance
    Unified gateway for ISO 20022 message families, providing meta-tools to search, describe, validate, generate, and parse financial messages.
    7
    1
    Apache 2.0
  • A
    license
    A
    quality
    B
    maintenance
    MCP server exposing a Lightning wallet to LLM agents over Nostr Wallet Connect (NIP-47): balance, invoices, LN address/LNURL payments, batch pay, and keysend. All spend tools are wrapped in a defense-in-depth safety stack — budget caps, allowlist, two-step confirmation, audit log.
    13
    45
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server providing access to the easybill REST API for managing invoices, customers, articles, payments, projects, and time tracking, with read-only mode by default.
    16
    28
    431
    MIT
  • F
    license
    A
    quality
    C
    maintenance
    Governor is an MCP server that acts as a safety belt for AI agent payments, providing a three-layer deterministic evaluation (rules, behavior anomaly, and intention coherence) to approve, escalate, or block payments before execution, and integrates directly with Claude Code.
    3
  • F
    license
    A
    quality
    C
    maintenance
    A single MCP gateway for Allternit LLC business operations, providing tools for Stripe invoicing, Cloudflare Pages deployment, brain document search, and client folder creation, all with safety confirmations for destructive actions.
    9
  • F
    license
    A
    quality
    C
    maintenance
    A local MCP server providing payment validation tools and resources, including card number Luhn checks, card network detection, and IBAN validation, with no network calls required.
    3
  • A
    license
    A
    quality
    B
    maintenance
    Enables LLMs to interact with Billforward's billing and subscription management API, providing tools for accounts, subscriptions, invoices, payments, and more with read-only safety by default.
    23
    295
    3
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    A unified MCP server for West African payment providers, enabling AI agents and REST clients to initiate payments, payouts, refunds, and manage webhooks across 10 providers with a single API.
    8
    9
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    A lightweight MCP server that connects to the PayPal REST API, handling token lifecycle automatically and providing read-only tools for transactions, invoices, orders, disputes, and subscriptions by default.
    11
    22
    MIT