F
licenseNot graded
qualityF
maintenanceProvides counterparty risk checks for any EVM address, returning malicious-history flags, tiered risk scoring, and plain-language summaries via x402 payment.
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SendCheck — EVM address verification (x402)
Server Details
Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.
Ownership verified
- Status
- Healthy
- Uptime
- 100.0% over the last 24 hours
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
- Repository
- pennyforgeorg/sendcheck-verify
- GitHub Stars
- 0
- ChatGPT
- –
- Claude
- –
TDQS
A4.5/5.0
Scored across 3 tools
Disambiguation5/5
Each tool has a clearly distinct purpose: validate_address is a free checksum-only check, check_address is a paid single-chain verification, and deep_scan is a paid multi-chain extended scan. There is no overlap or ambiguity between them.
Naming Consistency4/5
Two tools follow a clear verb_noun pattern (check_address, validate_address), while deep_scan uses an adjective+noun pattern with 'deep' as a modifier. This is a minor deviation from an otherwise consistent snake_case, lowercase convention.
Tool Count5/5
With 3 tools, the server is tightly scoped to EVM address verification, covering a free basic check, a standard paid check, and an advanced paid scan. Each tool earns its place and the count is well within the ideal 3-15 range.
Completeness5/5
The set covers the full verification spectrum from free checksum validation to deep cross-chain analysis, including payment handling via x402. There are no obvious dead ends or missing operations for the stated purpose of pre-send EVM address verification.
Available Tools
3 toolscheck_addressAInspect
Paid pre-send verification of one EVM address on one chain ($0.01 USDC via x402, EIP-3009 on Base): checksum, wallet-vs-contract, outgoing activity, native/USDC/USDT balances, leveled verdict with reasons and next action. TWO-PHASE: call without x_payment first to get the exact payment challenge (payTo, amount, asset), sign the USDC transfer, then call again with x_payment = the resulting X-Payment header to get the report. No account, no API key — the payment is the authentication.
Inputs: address (required), chain, x_payment.
deep_scanAInspect
Paid deep scan: the full verification across ALL FIVE chains (Base, Ethereum, Arbitrum, Optimism, Polygon) incl. wrong-network detection and USDC/USDT token-mismatch flags ($0.05 USDC via x402, EIP-3009 on Base). TWO-PHASE like check_address: first call returns the payment challenge; second call with x_payment returns the report.
Inputs: address (required), x_payment.
validate_addressAInspect
FREE pre-send check of an EVM address: EIP-55 checksum verification (catches typos, dropped characters, clipboard malware) + a note that a passing checksum is a spell-check, not payee verification. Run this before paying for check_address.
Inputs: address (required).
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
Related MCP Connectors
Preflight before paying any x402 tool (ok|caution|avoid + history). 1 free/wallet; then $0.01 Base.
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