How do I use chainverdict?

This server has a remotely hosted endpoint. Open its connector listing for connection details, authentication requirements, and setup instructions: * chainverdict

chainverdict

by alexanderbalieu-connections

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JavaScript

Remote

ChainVerdict — chainverdict.xyz

Hosting: the main API and TradeRails share one service; Pulse retains its own server and data disk. See the hosting and rollback guide.

Checks an autonomous agent runs before a proposed payment: token safety verdicts and wallet risk profiles on Base, on-chain payment verification, financial-identifier validation, and live domain security posture.

Every call is paid per request in USDC on Base over the x402 protocol — no accounts, no API keys, no signup. Every response carries an evidence record saying what was checked, how fresh it is and what it does not establish, and is Ed25519-signed. No LLM inference anywhere: every answer is a deterministic computation or a live read of external state, results from live external sources can change over time.

MCP server

ChainVerdict is a remote MCP (Model Context Protocol) server, built on the official @modelcontextprotocol/sdk and served over Streamable HTTP at:

https://chainverdict.xyz/mcp

It is published in the official MCP registry as xyz.chainverdict/chainverdict.

initialize and tools/list are free, so registries and clients can index the server without paying.
tools/call is x402-paid at the price of the route behind the tool — except payment_info, which is free.
20 MCP tools, all read-only and idempotent, annotated with readOnlyHint / destructiveHint / idempotentHint / openWorldHint.
No MCP resources or prompts are exposed; this server is tools-only.

Tool descriptions interpolate the live price from the same map the payment middleware charges from, so tools/list can never advertise a rate that is not the rate. test/mcp-parity.test.js fails the build if a tool exists for a route that is no longer sold, or if a sold route has no tool.

Tools

Tool	What it answers
`payment_info`	Free. How x402 payment works, the price of every tool, where payments settle.
`token_verdict`	Heuristic ERC-20 risk signals on Base; not a safety guarantee.
`wallet_dossier`	Wallet risk profile for a Base address before you pay it.
`verify_payment`	Decode and confirm an on-chain payment on Base.
`verify_token`	Resolve a symbol or address to the canonical Base token.
`validate_iban` `validate_vat` `validate_bic` `validate_lei` `validate_isin`	Deterministic check-digit and format validation.
`security_email` `security_tls` `security_typosquat`	SPF/DMARC/DKIM posture, live TLS probe, brand look-alike analysis.
`data_gas` `data_block` `data_token_supply` `data_token_activity` `data_portfolio`	Live Base chain reads.
`html_to_markdown` `text_diff`	Document utilities.

POST /v1/batch/validate is HTTP-only by design: 500 identifiers do not belong in a tool-call argument.

Related MCP server: OceanAlt AML (archived, moved)

HTTP rate card

Every endpoint answers an unpaid request with a 402 quote.

Route	Price
`GET /v1/token/verdict/*`	$0.01
`GET /v1/wallet/dossier/*`	$0.01
`GET /v1/validate/iban/*`	$0.001
`GET /v1/validate/vat/*`	$0.001
`GET /v1/validate/bic/*`	$0.001
`POST /v1/doc/html-to-markdown`	$0.002
`POST /v1/doc/diff`	$0.002
`GET /v1/verify/payment/*`	$0.02
`GET /v1/verify/token/*`	$0.005
`GET /v1/validate/lei/*`	$0.002
`GET /v1/validate/isin/*`	$0.001
`POST /v1/batch/validate`	$0.10
`GET /v1/security/email/*`	$0.01
`GET /v1/security/tls/*`	$0.01
`GET /v1/security/typosquat/*`	$0.005
`GET /v1/data/gas`	$0.002
`GET /v1/data/block`	$0.001
`GET /v1/data/supply/*`	$0.003
`GET /v1/data/activity/*`	$0.005
`GET /v1/data/portfolio/*`	$0.004

Free to read before you pay for anything: / (discovery), /health, /openapi.json, /llms.txt, /v1/methodology, /.well-known/x402.json.

The whole portfolio, machine-readable: https://pulse.chainverdict.xyz/.well-known/portfolio.json

Local dev

npm ci
X402_ENABLED=false npm start   # free mode, no payments
npm test                       # 34 tests

Ops

Stateless. No database, no cron, no maintained data set. Sources are pure arithmetic over public specifications plus live Base RPC.

Limitations

These are informational signals. None is a compliance control, none discharges a legal obligation, and none is regulated financial, legal or compliance advice. A valid signature proves a response came from this service unaltered — not that the answer is correct. A signed wrong answer is still wrong, and still signed.

Operated by Alexander Balieu, independent professional established in Luxembourg.

Licence

MIT. See LICENSE.

Local development and repository hygiene

Run npm ci before npm test or npm start. Dependencies are installed from package-lock.json; node_modules/ is local-only and is not stored in Git. Never commit environment files or signing keys. Live reads can change with upstream state; signed responses authenticate the statement, not its accuracy.

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityActive

ResponsivenessNo issues

Resources

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