Local MCP capabilities provider for Expo
Nothing to run from here
Code402 Verify is installed from its publisher's own source and answers where it runs, so this marketplace is not in the path of a single call. There is no address here to send one to, and a panel that pretended otherwise would be showing you an answer we made up. Install it and call it from your own client — the Installation tab has the entry for each one.
96/100
tool-list score
18
tools declared
remote
at its publisher
—
calls last 7d
What it does
Verify code402 XDR-1 receipts: keccak digest + secp256k1 signer recovery. Free, stateless.
Quickstart
# 1 — add it to Claude Code
claude mcp add --scope user --transport http code402-verify-mcp https://verify.code402.dev/mcp
# 2 — ask your agent for something these tools do
# x402_verify, price_lookup, iban_check and 15 more
Code402 Verify costs nothing on mcprush: there is no plan to choose here, no cap to set and nothing mcprush can bill you for.
Publishernot claimed
89All 4 servers
89rat4 servers
3 categories
Collected from a public index. Nobody has claimed this account, so nothing here was written by its author — claim it if it is yours.
Installation
Where are you running it?
Every route below installs the same thing and ends at the same approval screen. Nothing here runs on your machine and nothing runs on ours: this server answers at its publisher’s own address, and what you install is the connection straight to it.
Claude Codedeclared by this listing
This is a public server: it answers at its publisher’s own address and this marketplace is not in the path. Claude Code registers it in one command; --scope user makes it available in every project. The transport below is http, as the publisher's own manifest declares it.
claude mcp add --scope user --transport http code402-verify-mcp https://verify.code402.dev/mcpReconnect, or start a new session, and the tools appear in the model’s tool list.
Free on mcprush, and it answers at its publisher’s own address: this marketplace is not in the path, so there is no key of ours to hold and no card to add.
What it writes
One config entry pointing straight at the publisher’s own address — this marketplace is not in the path, and nothing from this listing executes on your machine.
What you approve
18 tools, with what each one reads, writes and reaches shown before you agree — the same list on every route above. Read the tool surface.
Tool surface
What the model actually sees. Descriptions are diffed on every release — see version history.
Verify one or more XDR-1 signed receipts offline (free). Returns valid/invalid per receipt with signer recovery, declared signer comparison, and integrity digest. Supply raw_receipt as JSON string or array for batch.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| raw_receipt | string | yes | Full signed receipt JSON (single object or JSON array for batch) |
| settlement_asset | string | no | Default USDC |
Look up pricing for any code402 tool (free). Returns current x402 pricing tiers, accepted networks, and tool availability. Use tool_name for named lookups or url for URL-based lookups.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| tool_name | string | no | Tool name (e.g. iban_check, bundle_verify, chain_block_number) |
| url | string | no | Full endpoint URL to look up pricing for |
Paid ($0.0029). Validate an IBAN: ISO 13616 structure, country registration, length, MOD 97-10 checksum. Returns pass/fail with all checks and issues. Covers 50 countries.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| iban | string | yes | IBAN to validate (e.g. GB29NWBK60161331926819, spaces allowed) |
Paid ($0.0029). Screen Ethereum addresses and entity names against OFAC/UN/EU sanctions lists. Returns clear/hit with matched entries. Supports both EVM addresses and human-readable names.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| addresses | array | no | EVM addresses to screen (0x-prefixed) |
| names | array | no | Entity names to screen |
Paid ($0.0029). Validate an EVM address format and EIP-55 mixed-case checksum. Returns valid/invalid with normalization and checksum status.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| address | string | yes | 0x-prefixed EVM address to validate (e.g. 0x742d35Cc6634C0532925a3b844Bc9e7595f2bD18) |
Paid ($0.0029). Validate a Legal Entity Identifier (LEI, ISO 17442). Checks 20-char alphanumeric format and Mod 97-10 check character. Verified via Rust WASM engine.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| lei | string | yes | 20-character LEI (e.g. 5493001KJTIIGC8Y1R12) |
Paid ($0.0029). Validate a payment card or account number using the Luhn algorithm (ISO/IEC 7812-1). Checks numeric format and Mod-10 checksum. Verified via Rust WASM engine.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| number | string | yes | Card or account number (12-19 digits, spaces allowed) |
Paid ($0.0029). Calculate ISO 7064 Mod 97-10 remainder for any alphanumeric string. Returns the remainder (0-96, valid=1). Used for IBAN, LEI, and custom identifier validation. Verified via Rust WASM engine.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| input | string | yes | Alphanumeric string to compute Mod 97-10 on |
Paid ($0.0029–$0.50). Multi-gate compliance bundle: run any combination of IBAN validation, sanctions screening, and EVM address validation in a single call. Returns all gate results + XDR-1 signed receipt. Tier auto-detected from field count.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| iban | string | no | IBAN to validate |
| sanctions | object | no | Sanctions screening: { addresses: string[], names: string[] } |
| onchain_address | string | no | EVM address to validate |
| tier | string | no | Pricing tier (auto-detected if omitted) |
Paid ($0.0029). Get the latest Ethereum mainnet block number. Returns block height and timestamp.
No parameter schema on file.
Paid ($0.0029). Get native ETH balance of any Ethereum address. Returns balance in wei and ETH.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| address | string | yes | 0x-prefixed EVM address |
Paid ($0.0029). Get ERC-20 token balance via balanceOf. Returns balance in raw and human-readable form.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| token | string | yes | 0x-prefixed ERC-20 token contract address |
| address | string | yes | 0x-prefixed wallet address |
Paid ($0.0029). Get the next transaction nonce for an Ethereum address.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| address | string | yes | 0x-prefixed EVM address |
Paid ($0.008). Get Ethereum transaction details by hash. Returns from, to, value, gas used, status, block info.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| hash | string | yes | 0x-prefixed 64-hex transaction hash |
Paid ($0.008). Resolve a .eth ENS name to its Ethereum address via the universal resolver.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| name | string | yes | ENS name (e.g. vitalik.eth) |
Paid ($0.0029). Get the current Ethereum mainnet gas price. Returns base fee, priority fee, and max fee in wei and gwei. Useful for estimating transaction costs.
No parameter schema on file.
Paid ($0.008). Get the receipt of a confirmed transaction. Returns status (success/fail), gas used, logs, contract address if deployment.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| hash | string | yes | 0x-prefixed 64-hex transaction hash |
Paid ($0.0029). Get the deployed bytecode at an address. Returns hex bytecode (empty = EOA, non-empty = contract). Useful for distinguishing contracts from wallets.
| Parameter | Type | Required | Notes |
|---|---|---|---|
| address | string | yes | 0x-prefixed EVM address |
Free
$0 forever
- Every tool — any call limit is its publisher’s, not ours
- No card, and mcprush charges nothing for it
- Runs at its publisher’s own address — this marketplace is not in the path
- Nothing to cap, because mcprush bills nothing
What counts against your monthly calls
| Tool | Unit | Calls used | Out of the allowance |
|---|
Nothing here is billable: mcprush charges nothing to install Code402 Verify or to call it, at any volume.
Call allowance · this installenforced at the gateway
Monthly allowance, in calls
—
—
Alert at 80% · then the tool returns a normal MCP error
Used this month: —
ATool-list grade · score 96 / 100
Release 0.2.0 · scanned 28 Oct 2026
Graded from the tools this server lists, not from its source code.
Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.
Threat score100
Client score96
Findings0 threat · 0 capability
Capabilityminimal
Coveragemanifest
Verificationnot in this report
Surface digest1bb4c3ef356a274803f1ad84a99c06ba6893240a4f53216efe34c8f0d1606c69
Score vectorthreat 100 → client 96
| Term | Level | What it prices | Points |
|---|---|---|---|
| capability-exposure | minimal | capability blast radius (minimal) — client exposure if the model is manipulated | −0 |
| coverage-honesty | manifest | inspection depth (manifest) — how much of the target the scan could see | −4 |
score = clamp(round(threatScore − E_cap − E_ver − E_cov), 0, 100). No model, no opinion, no network call at scoring time: the same methodology version against the same bytes always produces this number, and every line above is a field of the report rather than a summary of it.
What the scan could actually read
A grade is only as meaningful as its coverage, so the scanner publishes its own depth before it publishes its result.
The scan read each tool’s name, description, input schema and annotations exactly as the server listed them the last time it answered us; no code was reviewed. We ask the server again about once a month, and a list that changed is graded again.
Tool surfaceread
Implementation sourcenot available
Package metadatanot available
Live transportnot available
The implementation source was not read — this reflects the declared tool metadata only.
Capability — what it could do if the model were manipulated
Tags derived from each tool’s schema and the implementation, not from what the tool calls itself. minimal is the level these add up to.
| Tool | Capability tags | Why the tag was assigned |
|---|---|---|
| x402_verify | no tags | |
| price_lookup | no tags | |
| iban_check | no tags | |
| sanctions_check | no tags | |
| onchain_address_check | no tags | |
| lei_check | no tags | |
| luhn_check | no tags | |
| mod97_check | no tags | |
| bundle_verify | no tags | |
| chain_block_number | no tags | |
| chain_balance | no tags | |
| chain_erc20_balance | no tags | |
| chain_nonce | no tags | |
| chain_tx | no tags | |
| chain_ens_resolve | no tags | |
| chain_gas_price | no tags | |
| chain_tx_receipt | no tags | |
| chain_code | no tags |
Toxic-flow graph
The lethal trifecta, checked as a graph rather than as a checklist: untrusted input, a sensitive source and an external sink have to meet before there is a path worth worrying about.
The public result for this release does not print the flow graph, so there is nothing to show here. That is not the same as "no paths were found": what the scan did read is above, under coverage.
Supply chain and provenance
Integrityfirst-seen
Surface digest1bb4c3ef356a2748
Scanned2026-10-28
This is the first scan of this surface here, so there is nothing yet to compare it against.
Every result on this tab comes from one deterministic pass over the published package — offline, rule by rule, and auditable line by line above. Same methodology version, same bytes, same score.
Release history
This is an address its publisher runs: which release it serves is theirs to choose, so there is nothing here to pin. The history below is for reading; the current release on file is 0.2.0.
0.2.0
undated
latestNo release note was published with this version.
—
no reviews yet
Who can review
One review per account, from a signed-in account that does not publish this listing. Nothing else is asked — you can say what you think before you install it. Publishers can reply once per review, and a review can be edited or deleted by whoever wrote it.
Sign in to write one
Any signed-in account that does not publish Code402 Verify can review it, once — before installing it or after. A review from an account that has installed it is marked as one.
No reviews yet
Nobody has reviewed this listing. The rating on the card is the mean of the reviews written here and nothing else, so there is no rating until somebody writes the first — which takes a signed-in account that does not publish it, and nothing else.