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MCP live MCP 2025-11-25 streamable-http

Hermes Plant — Agent Commerce Assurance

io.github.jessegdotio/hermes-plant

Preflight, approve, and prove consequential agent actions with signed evidence and x402 tools.

Uptime
100.0%
1 direct probes · 30d
Response
963ms
last probe
Tools
25
callable
Resources
0
readable
Prompts
0
available

Tools · 25

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 wal…

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, o…

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…

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 signa…

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 signat…

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 distr…

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 mod…

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 …

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) return…

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): deterministic wallet AML/compliance risk scorer. From caller-provided context (sanctions, exposures, labels, fund sources) returns a 0-100 risk score, level, and eviden…

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 y…

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, facil…

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…

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 afte…

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…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "hermes_plant_—_agent_commerce_assurance": {
      "url": "https://mcp.hermesplant.com/mcp",
      "transport": "streamable-http"
    }
  }
}