EUCompliance Tools - Invoice Guard & Agent Evidence

io.github.PatrickPi1312由 GitHub 帳號 PatrickPi1312 發布v1.7.0更新於 Nov 5, 2026

41 MCP tools for EU invoice evidence, supplier checks, market data and read-only chain queries

已驗證Streamable HTTP可網頁執行金融安全與監控商業與電商

概覽

AI 產生的概覽

遠端 MCP 伺服器,提供 41 個免費與付費工具,用於歐盟發票與供應商合規查核、市場資料和唯讀 EVM 鏈查詢,依次以 USDC 透過 x402 計費。

可以做什麼
  • 驗證歐盟增值稅號、IBAN、電子發票與制裁名單,並產出附簽章的交易對手或發票付款檔案
  • 查核從德國或奧地利寄往美國的貨物進口準備情況,並產出 AI 法案揭露紀錄
  • 查詢唯讀鏈上資料:批次 JSON-RPC、錢包餘額、Gas、合約資訊、交易狀態與代幣授權額度
  • 取得市場證據:現貨中位價、永續合約資金費率、持倉簡報、歷史序列與限時決策包
  • 執行固定價格的短文字推論,並用免費的準備與驗證工具把任務導向合適的工具
適用情境
適合需要有限、可簽章決策或可引用證據而非長篇報告的代理情境:付款前審查歐盟供應商或發票、依制裁名單篩選名稱、簽章前檢查交易,或購買一項小型市場觀測。免費準備工具可在付費前先驗證輸入。
執行需求
需要指向遠端端點的 streamable-HTTP MCP 用戶端;不需帳號或 API 金鑰。付費工具需要支援 x402 的錢包,並在 Base、Arbitrum、Polygon 或 Solana 上持有 USDC;未付款的呼叫會回傳付款要求,結算後重試即可。驗證簽章回執需另裝 Python 套件。
安裝前請注意
多數工具依次收費(約 0.002 至 1.00 USDC),應在付款政策中固定資源、網路、收款方與金額上限。結果僅為證據,不構成法律、海關或銀行帳戶歸屬的確認,READY 結論仍需人工核准。發票 XML 與買方資訊會傳送給第三方服務;不要在公開問題中張貼發票、個人資料或錢包密鑰。

安裝

在 SourceWeft 中

  1. 開啟 儀表板中的 EUCompliance Tools - Invoice Guard & Agent Evidence,將其新增到工作區。
  2. 為需要使用其工具的對話啟用該服務。

Web executable,透過 Streamable HTTP。 遠端服務在工作區中設定後即可從網頁執行環境執行。

交給代理程式安裝

把這段提示詞貼上到 Claude Code、Codex、Cursor 等代理程式,或 SourceWeft 對話中。代理程式會讀取該伺服器的安裝指南,先向你展示發布者、端點和登入方式,經你同意後再把它新增到你的客戶端。金鑰不會寫進任何命令。

閱讀 https://sourceweft.com/mcp/io.github.PatrickPi1312%2Feu-compliance/install.md,並按其中說明把這個 MCP 伺服器接入我的客戶端。修改任何設定之前,先告訴我它的發布者、端點和登入方式,等我確認。不要把 API 金鑰寫進命令或我會提交的檔案;問我金鑰應從哪裡取得。

檢視代理程式所依據的安裝指南

其他 MCP 客戶端

把它新增到你客戶端的 mcpServers 設定中。

{
  "mcpServers": {
    "eucompliance-tools-invoice-guard-agent-e": {
      "type": "http",
      "url": "https://mcp.eucompliance.tools/mcp"
    }
  }
}

README

Agent Decision & Evidence Tools over MCP and x402

41 machine-callable tools, including 10 free preparation, routing and verification tools. Use the existing APIs per call in USDC through x402, or request a scoped Invoice Guard Pilot for your accounts-payable workflow. The per-call APIs require no account, API key, subscription or minimum purchase. The pilot is a separate business offer, not an MCP tool.

The service is built for agents that need a bounded decision or a cited piece of evidence, not an unstructured report. Paid successes return machine-readable structured content and a signed receipt. Invalid input, unavailable required evidence and tool errors are not settled.

Invoice Guard Pilot: evidence before approval

For accounts-payable teams and integration partners who already receive structured EU invoices and want a reproducible check before their existing human approval step.

EUR 149 net, once, for a 30-day pilot — available on request. We agree the workflow, accepted documents and volume in writing before an order. The scope covers one bounded workflow: a format/integration check, a synthetic example run, and a documented handover including open points, within the 30-day pilot window. API-call costs are separate and agreed in advance. This is not a subscription or an automatically activated service. Optional integration setup starts from EUR 499 net, separately scoped and quoted; it is not included or charged automatically.

The existing building blocks can:

  1. Check the document format and required buyer context before a paid call.
  2. Combine EN 16931 findings, totals, VIES, EU/UN/UK name-list matches, VAT treatment and comparison with the buyer's trusted payee IBAN in one signed dossier.
  3. Route READY_FOR_BUYER_APPROVAL, HOLD_FOR_REVIEW or DO_NOT_PAY into the buyer's approval process, with reason codes, evidence sources and freshness limits.

Available now: UBL/CII XML, or ZUGFeRD/Factur-X PDFs containing one invoice XML. Not included: ordinary PDFs, scans/OCR, accounting-ledger duplicate detection, independent bank-account ownership verification, legal clearance or payment execution. The optional Python adapter currently accepts XML only. A signature proves integrity and the configured issuer, not that an invoice is genuine or legally approved.

Review the pilot scope · Request a scoped pilot · Inspect the buyer-side integration

Prefer self-service? invoice_to_pay_dossier_eu remains 1.00 USDC per completed dossier. The euro-priced pilot does not change the public API price or authorize extra purchases.

Add the MCP server

Claude Code:

bash
claude mcp add --transport http eucompliance https://mcp.eucompliance.tools/mcp

Claude Desktop, Cursor or another streamable-HTTP MCP client:

json
{  "mcpServers": {    "eucompliance": {      "type": "http",      "url": "https://mcp.eucompliance.tools/mcp"    }  }}

If the right product is unclear, call the free recommend_agent_tool tool with the job, available inputs and optional price cap. It returns one to three exact catalog matches and a safe workflow without calling a model, making a payment or executing the selected tool.

Start from the job, not the catalog

Agent jobToolResultPrice
Read live state on one or many EVM chainsrpc_read_batch1–20 allowlisted read-only JSON-RPC calls across 28 mainnets$0.01
Decide whether an on-chain transaction is safe to submittx_preflightproceed, review or block, with five core checks and optional token evidence$0.02
Turn live market evidence into a time-bounded actionmarket_decision_packENTER_RISK, WAIT or REDUCE_RISK, reasons, risks and 15-minute expiry$0.05
Check an EU counterparty before onboarding or paymentcheck_counterparty_euVAT, EU/UN/UK sanctions and IBAN consistency → clear, review or blocked$0.02
Decide whether an EU supplier invoice is ready for approvalinvoice_to_pay_dossier_euEN 16931, VIES, sanctions, VAT and trusted-payee evidence → READY, HOLD or DO NOT PAY$1.00
Check ordinary DE/AT goods before requesting a US carrier quoteus_import_readiness_guardUSITC/CPSC-backed readiness decision, unknowns and safe next actions$0.25
Validate an EU e-invoicevalidate_einvoice_euOfficial EN 16931 findings with rule codes and severity$0.10
Run fixed-price short inferenceagentllm_micro, agentllm_basic, agentllm_plusOpenAI-compatible completion plus disclosed upstream usage and signed delivery receipt$0.003 / $0.005 / $0.02

The complete 41-tool list, exact input and output schemas, current prices and transport-specific HTTP offers are always published in agents.json. Published prices are in USDC; inspect the live quote before authorizing a call. screen_sanctions_eu and spot_price each cost 0.10 USDC per successful result.

Read-only chain evidence

rpc_read_batch is the broad entry point: one default chain plus optional per-request chain overrides, up to 20 allowlisted read calls, and 28 named EVM mainnets. Focused tools are also available for wallet balance, gas estimate, contract information, transaction status and ERC-20 balance/allowance. None of them signs, approves, transfers or broadcasts a transaction.

For a decision rather than raw evidence, use tx_preflight. Missing evidence is never treated as approval. Wallet-address sanctions screening is not claimed because name lists cannot clear an address.

Market evidence and decisions

Agents can buy the smallest useful observation or a complete decision:

  • spot_price — multi-exchange median and spread: $0.10
  • open_social_search — bounded Bluesky and Hacker News evidence: $0.002
  • perp_market_data — Hyperliquid funding, open interest, premium and volume: $0.005
  • market_history — archived raw or daily series: $0.008
  • market_data or coin_positioning_brief — computed context with disclosed rules: $0.01
  • market_decision_pack — action, confidence, reasons, risk flags and invalidation: $0.05

Every paid market result identifies its sources and freshness. The decision pack expires after 15 minutes instead of encouraging an agent to reuse stale market advice.

High-value guarded workflows

The invoice and US-import products have free preparation tools. Run them first; they validate shape and required context and return the exact paid next step. The paid tools never release a payment, place an order, create a forwarding address, book a carrier, sign a wallet transaction or broadcast anything.

invoice_to_pay_dossier_eu accepts UBL/CII XML or ZUGFeRD/Factur-X PDFs with one embedded invoice XML. An ordinary or scanned PDF is intentionally unsupported. READY_FOR_BUYER_APPROVAL is an evidence decision, not proof of delivery, internal approval, duplicate-ledger status or bank-account ownership.

Add invoice evidence to your existing approval workflow

The invoice-guard integration is a small, opt-in Python adapter for buyers. It runs the free preparation check, delegates a single capped 1.00-USDC purchase to your authorized transport, and checks the signed dossier against the exact invoice, buyer context and freshness window. A persistent journal reuses valid identical evidence and stops instead of buying again after an ambiguous timeout. Equivalent decimal amount formats share one claim. READY_FOR_BUYER_APPROVAL advances only to your existing approval stage; the adapter never signs or submits an invoice payment.

You supply the authorized MCP/x402 transport and pin the trusted receipt issuer. The adapter accepts invoice XML only; its tests are offline, not a paid end-to-end certification. Making this check mandatory is an explicit operator policy for your own workflow, not a requirement imposed on other agents or platforms.

us_import_readiness_guard is limited to declared ordinary goods from Germany or Austria to the United States. It supplies non-binding HTS evidence and readiness guidance; it is not customs clearance, a binding classification or a shipping service.

x402 payment behavior

HTTP products return an x402 v2 payment requirement with the exact amount. Payment options are published for Base, Arbitrum, Polygon and Solana. The caller signs the selected option and retries the identical request. The server never receives a wallet private key and does not perform a buyer-side transfer.

Use a payment policy that pins the exact HTTPS resource, method, network, recipient and maximum amount. The free prepare_x402_purchase_guard plus paid x402_purchase_guard workflow can check an already received x402 challenge before a buyer confirms it; it never pays the target.

Verify a delivered result

Signed receipts can be checked independently:

bash
pip install eucompliance-verify
python
from eucompliance_verify import verify_receipt, PaymentPolicy
verified = verify_receipt(response_json)decision = PaymentPolicy(max_age_hours=24).check(response_json)if not decision.allowed:    raise RuntimeError("receipt outside policy")

Verifier source: eucompliance-verify. VAT conformance fixtures: eu-vat-conformance. The invoice adapter includes offline regression tests. These are implementation checks, not a live-purchase, fraud-prevention or legal certification. Use synthetic examples in public issues; do not post invoices, personal data, wallet secrets or API credentials there.

Operator

eucompliance.tools is operated by Patrick Kaufmann, sole proprietor in Vienna, Austria. The service exposes evidence and decision APIs; it does not act as a bank, wallet signer, customs broker, freight forwarder or legal adviser.

On-chain identity: ERC-8004 agent #60255 on Base.

來源:README.md,提交 53d33eb

工具

41

validate_vat

EU VAT identity check (free)

FREE live validation of an EU VAT ID against VIES, including the registered name and address when the member state publishes them. Use this as the no-cost entry point before paid VAT, counterparty or invoice decisions.

輸入參數vat_id必填

validate_iban

IBAN structure check (free)

FREE IBAN checksum and country-structure validation with BIC and bank-name enrichment where registry data exists. It does not prove account existence or ownership.

輸入參數iban必填

recommend_agent_tool

Recommend the right agent tool (free)

FREE deterministic router over the published Agent Card. Describe the job and optional category, country, chain, price cap and available input names; receive one to three matching tools with exact catalog prices, required inputs and a safe workflow. It performs no model call, network lookup, payment or target-tool execution and never returns supplied secret values.

輸入參數goal必填chaincountrycategorymax_resultsprefer_freemax_price_usdcavailable_inputs

prepare_agentllm

Choose and prepare AgentLLM tier (free)

FREE deterministic validation and exact-price routing for all AgentLLM tiers. Choose Micro for classification, extraction and short summaries, Basic for general chat, or Plus for stronger drafting, analysis and longer summaries. It validates the exact arguments without calling a model or charging; continue only when ready_to_buy is true.

輸入參數tierprompt必填systemmax_tokens

prepare_agentllm_micro

Prepare AgentLLM Micro (free)

FREE validation of the exact AgentLLM prompt, system instruction and token limit before purchase. It enforces the input and output limits without calling a model or charging anything.

輸入參數prompt必填systemmax_tokens

agentllm_micro

AgentLLM Micro inference

OpenAI-compatible classification, extraction, routing and short summaries for exactly 0.003 USDC per call. Validate the exact JSON for free first; no account or API key.

輸入參數prompt必填systemmax_tokens

agentllm_basic

AgentLLM Basic inference

OpenAI-compatible general chat and summaries for exactly 0.005 USDC per call. Run prepare_agentllm with tier basic first. Hard limits are 6,000 UTF-8 input bytes, 16 messages and 750 output tokens; upstream model and usage are disclosed and the result includes a signed receipt.

輸入參數prompt必填systemmax_tokens

agentllm_plus

AgentLLM Plus inference

OpenAI-compatible stronger drafting, analysis and longer summaries for exactly 0.02 USDC per call. Run prepare_agentllm with tier plus first. Hard limits are 6,000 UTF-8 input bytes, 16 messages and 1,200 output tokens; upstream model and usage are disclosed and the result includes a signed receipt.

輸入參數prompt必填systemmax_tokens

prepare_invoice_to_pay_eu

Prepare EU Invoice Payment Guard (free)

FREE local input and safety check before purchase. Accepts UBL/CII XML or a base64 ZUGFeRD/Factur-X PDF with exactly one embedded invoice XML plus buyer country, expected amount/currency and a trusted payee IBAN. It checks format, limits and required context, but does not reveal the paid decision or query VIES/sanctions. Subject to daily abuse protection.

輸入參數b2bfilenameinvoice_xmlsupply_typebuyer_country必填document_base64expected_amount必填expected_currency必填expected_buyer_vattrusted_payee_iban必填expected_supplier_vatexpected_supplier_name另有 1 個

invoice_to_pay_dossier_eu

EU Invoice Payment Guard

One signed decision before an EU invoice is paid: READY_FOR_BUYER_APPROVAL, HOLD_FOR_REVIEW or DO_NOT_PAY with evidence and safe next actions. Accepts UBL/CII XML or ZUGFeRD/Factur-X with one embedded invoice XML, not ordinary/scanned PDFs. Complete EN 16931 validation, live VIES, EU/UN/UK sanctions, VAT treatment and a buyer-trusted IBAN match. READY_FOR_BUYER_APPROVAL does not prove delivery, internal approval, duplicate-ledger status or bank-account ownership. Free input check first; 1.00 USDC per completed dossier, no subscription or paid follow-up.

輸入參數b2bfilenameinvoice_xmlsupply_typebuyer_country必填document_base64expected_amount必填expected_currency必填expected_buyer_vattrusted_payee_iban必填expected_supplier_vatexpected_supplier_name另有 1 個

prepare_us_import_readiness

Prepare US Import Readiness Guard (free)

FREE local completeness and safety check for ordinary goods dispatched from DE/AT to the US. Requires product, material, intended-use, origin, value and explicit regulated-attribute answers. No product URL is accepted or fetched. Returns an opaque job ID and recovery secret for the paid guard.

輸入參數gtinbrandmodelhts_codequantity必填importer_use必填intended_use必填product_name必填risk_answers必填dispatch_country必填country_of_origin必填customs_value_usd必填另有 4 個

us_import_readiness_guard

US Import Readiness Guard

Signed pre-purchase evidence dossier for ordinary goods dispatched from Germany or Austria to the United States. Validates a buyer-declared HTS code or returns non-binding current USITC candidates, calculates only a simple ordinary-duty component, checks CPSC recall candidates and routes declared regulated attributes. Returns PROCEED_TO_CARRIER_QUOTE, REVIEW_REQUIRED or DO_NOT_FORWARD. It never fetches a product URL, orders, creates an address, books shipping or claims exact landed cost, carrier acceptance or customs clearance. Free input check first; source/input failures are not settled.

輸入參數gtinbrandmodeljob_id必填hts_codequantity必填importer_use必填intended_use必填product_name必填risk_answers必填recovery_secret必填dispatch_country必填另有 6 個

recover_us_import_readiness

Recover a settled US Import Readiness result (free)

FREE recovery when an x402 settlement succeeded but the signed response was lost. Returns only the already-settled result for the opaque job ID and recovery secret; it never performs a new lookup or creates a new charge.

輸入參數job_id必填recovery_secret必填

screen_sanctions_eu

Sanctions screening (EU, UN, UK)

Check a person or company against the official EU (Commission FSF), UN Security Council and UK (HM Treasury OFSI) sanctions lists. 12,000+ listed entities, 50,000+ name variants, re-indexed daily, fuzzy matching. Each hit states its list, programme, reference and the list date.

輸入參數name必填listscountrythreshold

eu_vat_rules

EU VAT decision engine

Place of supply, reverse charge, intra-Community supply or export, the rate, plus the EN 16931 VAT category code (BT-151), exemption reason code (BT-121) and invoice wording. Supplier/customer jurisdictions are always required; customer VAT validity, transaction type and OSS-threshold evidence are conditionally required when the selected VAT rule depends on them. Missing evidence is reported, not inferred.

輸入參數b2btypecustomer必填supplier必填customer_vat_validabove_oss_threshold

check_counterparty_eu

Counterparty due diligence (KYB)

VAT ID validation (VIES) plus sanctions screening plus IBAN check in one call, condensed into a traffic-light verdict with reasons and a recommendation.

輸入參數b2bvatibannametypecountryown_countryrelationship

counterparty_dossier_eu

EU Counterparty Dossier Pro

Professional procurement and onboarding dossier: live VIES identity, EU/UN/UK sanctions-name screening, IBAN validation, cross-source legal-name consistency and an official national company-register extract where an open API exists. Returns one APPROVE, REVIEW or BLOCK decision, exact coverage and limitations, a source manifest, 24-hour recheck time and a signed audit receipt. Critical evidence failures are uncharged.

輸入參數vat必填iban必填name必填country必填registration_idrequire_register

validate_einvoice_eu

E-invoice validation

Validate an XRechnung, ZUGFeRD/Factur-X or Peppol BIS invoice (UBL or CII) against EN 16931: mandatory fields, arithmetic consistency of all totals, VAT breakdown and category rules, each finding with its official BR- rule code.

輸入參數xml必填

verify_compliance_receipt

Verify a compliance receipt (free)

Anyone can verify issuer authenticity, integrity and the signed validity window of a eucompliance.tools result locally without payment or network access; this does not validate the underlying facts.

輸入參數document_json必填

must_verify_before_pay

Autonomous payment gate

Return allow or deny before an agent pays a counterparty, using sanctions screening, live VIES validation and IBAN structure evidence. Deny is the default and the decision carries a signed receipt.

輸入參數amountcountrycurrencypayee_vat必填payee_iban必填payee_name必填

lookup_company_eu

Company register lookup

Live extract from official national registers in France, Norway, Czechia, Finland, Slovakia and Poland: name, registration number, status, legal form, address and registration date. Germany and Austria are not covered because their registers are not available here as an equivalent open lookup.

輸入參數idnamecountry必填

agent_spend_statement

Agent spend transfer evidence

Create a complete Base USDC outflow and transfer record for an agent wallet: every observed transfer, recipient, transaction reference and dated ECB EUR conversion, available as JSON or CSV. Transfers remain explicitly unclassified until invoice, supplier identity and supply type are linked; this tool does not assign VAT, reverse-charge or deductible-expense treatment by itself.

輸入參數daysformatwallet必填

rpc_read_batch

28-chain read-only RPC batch

Run 1-20 standard read-only JSON-RPC requests as one paid call across 28 EVM mainnets. Set one default chain for the batch or override it with an optional chain field on each request. Includes public-node failover, decoded Error/Panic reverts and source evidence; signing, state-changing convenience methods and transaction broadcasting are unavailable.

輸入參數chainrequests必填

wallet_balance

Wallet execution evidence

Return a live native balance, exact wei, pending nonce, observed block and RPC-source evidence for a wallet on Base, Ethereum, Arbitrum, Optimism or Polygon.

輸入參數chainaddress必填

gas_estimate

Gas and execution-fee estimate

Return the current gas price and, when transaction fields are supplied, eth_estimateGas plus an execution-fee estimate with excluded rollup components stated explicitly.

輸入參數todatachainsendervalue_native

contract_info

Contract or wallet classification

Inspect live runtime bytecode, native balance, transaction count and observed block, returning deployed_contract, eoa_or_empty or precompile_or_system_address without claiming wallet ownership.

輸入參數chainaddress必填

spot_price

Multi-source crypto spot median

Attempt independent Binance, Coinbase and Kraken public tickers and calculate the median from the live quotes that return. Every delivered quote, quote currency, spread and timestamp is disclosed; fewer than two live sources is an uncharged error.

輸入參數symbol

perp_market_data

Perpetual-futures positioning data

Return Hyperliquid mark and oracle prices, funding, open interest, 24-hour volume, premium and maximum leverage for one coin or the top markets by volume, with source and timestamp.

輸入參數topcoin

coin_positioning_brief

Signed coin-positioning brief

Calculate a disclosed crowded-long/short score from current Hyperliquid funding and premium. The response also includes an at-least-two-exchange spot median, open interest, volume and the service's six-hour archive trend as separate context; a still-filling archive is labelled and does not enter this score.

輸入參數symbol

market_decision_pack

Complete market decision pack

Return ENTER_RISK, WAIT or REDUCE_RISK with score, evidence-coverage confidence, reasons, risk flags, invalidation conditions and a 15-minute expiry. One call combines regime, gas, APY, BTC/ETH/SOL spot, top perps and seven-day history.

無需輸入參數。

soft_commodity_stress

Soft-commodity supply-stress evidence

Calculate a disclosed weather-only supply-stress score from Brazilian growing-belt rainfall and dry days. A paid result also includes at least one usable Ivory Coast cocoa-or-coffee farmgate-price observation from a distinct source as context; availability of both commodities is not guaranteed. This has its own wrapper because its upstream cost is higher.

無需輸入參數。

market_data

Fresh market indicators

Return one computed market_brief, Base gas or yield indicator with source coverage, freshness, a stable repeat URL and a do-not-repurchase-before time. Soft commodities use soft_commodity_stress.

輸入參數product

market_history

Archived market history

Return the service's own archived gas, yield, commodity or market-brief series as raw observations or daily medians. At least two usable points must remain after the requested resolution; an empty, one-point or incompletely readable archive returns an uncharged error and is never sold as a time series.

輸入參數daysproduct必填resolution

ai_act_disclosure

EU AI Act disclosure evidence

Create a signed Article 50 provenance record and German/English disclosure for AI-generated content, including a privacy-first hash-only path. This attests declared origin; it does not detect AI in arbitrary content.

輸入參數kindmodelcontentdeployerlanguagecontent_sha256model_provider

prepare_x402_purchase_guard

Prepare x402 Purchase Guard (free)

FREE strict syntax and supported-v2-shape check for a raw base64/base64url PAYMENT-REQUIRED header. Returns a canonical challenge fingerprint and the policy fields required by the paid guard, without revealing the paid decision, contacting the target, reading a wallet or attempting payment.

輸入參數payment_required必填

x402_purchase_guard

x402 Purchase Guard

Compare an already received canonical x402 v2 challenge with the buyer's exact resource, method, USDC price limit, network policy, trusted recipient and EVM/Solana signing-mechanism fields. Returns PROCEED_TO_USER_CONFIRMATION, REVIEW_REQUIRED or REJECT_CHALLENGE with normalized evidence and a signed fingerprint. A positive result requires confirmation, pins one exact option and expires after 10 minutes. Never contacts the target, accesses a wallet, signs or submits the target payment; merchant identity, delivery and target request-body binding are outside scope.

輸入參數resource_url必填max_price_usdc必填expected_pay_to必填resource_method必填allowed_networks必填payment_required必填

tx_preflight

Agent Transaction Guard

Read-only decision analysis before signing with five on-chain core checks: native balance/gas price, transaction-specific gas estimate, simulation with decoded revert reason, pending nonce gap and recipient bytecode/type. Token inputs add an optional ERC-20 balance and allowance check. Returns proceed, review or block with evidence, unknowns, limitations and safe next actions. Wallet sanctions screening is not included because official name lists cannot clear or identify a blockchain address. Missing evidence is never approval; there are no follow-up charges.

輸入參數to必填datachaintokenamountsender必填spendervalue_eth

tx_status

Transaction status and revert evidence

Return mined or pending status, success or decoded revert reason, gas used, block and confirmations for a transaction on Base, Ethereum, Arbitrum, Optimism or Polygon.

輸入參數chaintx_hash必填

token_status

ERC-20 balance and allowance evidence

Return an owner's token balance and optional spender allowance, including whether both satisfy a requested amount, across five EVM chains.

輸入參數chainowner必填token必填amountspender

read_url

Safe page reader

Fetch a public web page as clean Markdown or text while refusing internal and private addresses, suitable for reading evidence before an agent acts on a link.

輸入參數url必填format

版本歷史

2
  1. v1.7.0最新Nov 5, 2026
  2. v1.6.0Sep 16, 2026

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