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  • Cerberus

    lz-123123
    A
    license
    -
    quality
    C
    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
    MIT
  • ShieldZ Crypto Payments by ShieldZCash

    ShieldZ Crypto Paymentsofficial

    ShieldZCash
    A
    license
    A
    quality
    B
    maintenance
    Keyless crypto payments for AI agents. One MCP call turns any wallet address into a non-custodial crypto payment link or tip jar, no API key and no account, with funds settling straight to your wallet at a 0% platform fee (USDC/USDT, BTC, LTC, DASH, DOGE, ZCASH).
    6
    3
    69
    MIT

  • @powforge/captcha-mcp

    zekebuilds-lab
    A
    license
    A
    quality
    D
    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
    44
    1
    MIT

  • mcp-proofjson

    proofjson
    A
    license
    A
    quality
    A
    maintenance
    A local MCP server that integrates ProofJSON to assess invoices before payment, providing allow/review/block decisions with confidence scores and verification capabilities.
    3
    MIT

  • easybill-mcp

    stack74
    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.
    28
    431
    MIT

  • governor

    rober8b
    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

  • lob-mcp

    optimize-overseas
    A
    license
    A
    quality
    B
    maintenance
    A Model Context Protocol server that enables LLMs to interact with the Lob.com API for address verification and sending physical mail. It provides 76 tools across 12 resource groups including postcards, letters, checks, and templates with built-in safety features for production use.
    78
    27
    MIT

  • peil-mcp

    Luminc
    A
    license
    A
    quality
    A
    maintenance
    Connect Peil to Claude (or any MCP client): log hours, draft invoices from unbilled hours, and check where you stand β€” from a prompt.
    8
    22
    MIT

  • voxfactura-mcp

    Mqrtingaler
    A
    license
    A
    quality
    B
    maintenance
    MCP server for VoxFactura enabling AI assistants to query business data (invoices, expenses, project margins, clients, VAT) and create draft quotes or mark invoices paid via a scoped API, with no direct client sends.
    11
    MIT

  • ebill-mcp

    sapn95
    A
    license
    A
    quality
    A
    maintenance
    Read-only MCP server for the Swiss eBill portal, enabling users to list bills and download invoice PDFs via an authenticated browser session. It cannot approve, release, or pay anything.
    8
    29
    MIT