Hermes Plant — Agent Commerce Assurance

Reliability

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "hermes-plant-agent-commerce-assurance": {
      "type": "http",
      "url": "https://mcp.hermesplant.com/mcp"
    }
  }
}

25 tools

• freetier_status

  Check a free API key's remaining monthly quota, reset date, and upgrade path. Pass your hp_free_ key as apiKey. No key yet? POST an email to https://hermesplant.com/api/keys/free (250 calls/mo, no wallet).

• list_products

  List active products from the Hermes Plant catalog

• get_product

  Get a single product by slug

• get_checkout_policies

  Return legal policy URLs required before checkout

• get_x402_manifest

  Return the live x402 manifest with paid endpoint prices, Bazaar metadata, and buyer policy checks

• start_checkout

  Start a Stripe checkout session for a product slug

• purchase_with_x402

  Purchase a one-time product via x402 (returns 402 challenge or fulfillment JSON). Call get_x402_manifest first, verify method/path/network/amount/payTo, then sign and retry with PAYMENT-SIGNATURE.

• action_safety_quick_gate

  AI agent action safety quick gate ($0.01 over x402 or free-tier quota). Deterministically scores a consequential action and returns the exact next call: proceed, request full DestructGuard evidence, or run the complete Action Safety workflow.

• action_safety_run

  Complete AI agent action safety workflow ($0.25 over x402 or free-tier quota): DestructGuard evidence, conditional ReviewQueue triage for high or critical risk, an honest decision, signed receipt, and 30-day status record. Triage does not imply human approval.

• submit_reviewqueue_request

  Submit a command/action to the x402-paid ReviewQueue agent service. Call get_x402_manifest first, verify the ReviewQueue price and buyer policy, then retry the 402 challenge with an x402 payment signature.

• score_destructguard_command

  Score a command/action with the x402-paid DestructGuard service. Call get_x402_manifest first, verify the DestructGuard price and buyer policy, then retry the 402 challenge with an x402 payment signature.

• dealanalyzer_analyze

  DealAnalyzer (x402-paid, $2.00): the flagship. Deterministic full deal underwrite in a single call — DCF valuation (EV, equity value, implied share price), fund returns (IRR/MOIC), and the LP/GP distribution waterfall, plus sensitivity. Combines what CashflowLens + WaterfallLens…

• cashflowlens_analyze

  CashflowLens (x402-paid, $0.20): deterministic NPV, IRR, XIRR, DCF valuation, MOIC/DPI/TVPI, and payback period from a cashflow series. Use for valuation and return analysis instead of letting the model estimate.

• waterfall_distribute

  WaterfallLens (x402-paid, $0.30): deterministic LP/GP distribution waterfall (return of capital, preferred, GP catch-up, carried-interest split) with the exact split, per-tier breakdown, LP MOIC, and effective carry %.

• options_price

  OptionLens (x402-paid, $0.30): deterministic Black-Scholes price and full Greeks (delta, gamma, vega, theta, rho) for European calls/puts, with dividend yield, intrinsic/time value, and moneyness.

• bond_analyze

  BondLens (x402-paid, $0.25): deterministic fixed-income and loan analytics. Bond mode solves price<->yield-to-maturity, duration, and convexity; loan mode (send principal+annualRate+termMonths) returns an amortization schedule.

• portfolioguard_score

  PortfolioGuard (x402-paid, $0.15): deterministic portfolio risk scoring from holdings — volatility, Sharpe, max drawdown, concentration (HHI), diversification, plus per-rule findings.

• walletguard_score

  WalletGuard (x402-paid, $0.10): analyzes caller-provided sanctions, exposures, labels, and funding context. Positive risk findings receive a score; no risk findings means unknown with a null score and review required. No chain lookup, independent sanctions screening, or…

• emailguard_validate

  EmailGuard (x402-paid, $0.02): deterministic email/contact quality scorer — validity, deliverability score, disposable/role/free classification, typo suggestion. Pure function, no DNS.

• emailguard_validate_batch

  Validate up to 20 emails in one tool call — one deterministic verdict per record (validity, deliverability score, disposable/role/free classification, typo suggestion, canonical normalization). Pass your free apiKey (250 records/mo, no wallet — https://hermesplant.com/pricing)…

• mcp_risk_score

  MCP Server Risk Analyzer (x402-paid, $0.05): score an MCP server manifest for security risk before install — destructive tools, over-broad scopes, weak auth, egress — with per-tool findings and fixes.

• payment_policy_decide

  Payment Policy Decision (x402-paid, $0.05): deterministic allow / deny / needs_review before your agent signs an x402 payment — checks resource binding, amount vs expected price, network, payTo, facilitator, replay readiness, PII leakage, and buyer spend limits, with…

• evidence_verify

  Evidence Verification (x402-paid, $0.05): verify an agent-commerce evidence bundle before trusting a paid result — x402 challenge/receipt/policy-decision/service-response artifacts, endpoint and price binding, freshness, hashes, synthetic-proof leakage. Returns verified /…

• assurance_attest

  Assurance Attest (x402-paid, $0.05): bind one x402 payment intent or MCP tool call to a canonical HMAC-signed record (binding hash, policy verdict, findings, optional settlement outcome). Loop it after every payment or tool call to build a tamper-evident audit trail a third…

• assurance_verify

  Verify a Hermes-signed assurance record for free: recomputes the canonical hash (hermes-stable-json-v1 + SHA-256) and HMAC signature server-side and reports recordHashValid / signatureValid. Use it to audit attestations produced by assurance_attest without trusting the agent…

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