MCP Server vs X402 Services
A side-by-side look at the MCP Server and X402 Services MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Server for finance & fintech work as a local process; choose X402 Services for finance & fintech over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose MCP Server when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: other.
- You have the keys it needs:
WALLET_PRIVATE_KEY, SERVER_URL, MAX_PAYMENT_USDC. - You want tools like
list_models, chat, seo_audit.
Choose X402 Services when
- You need dedicated capabilities in the Finance & Fintech domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
markdown, extract, read.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 64/100 · Good | 53/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | other | Not declared |
| Pricing | Freemium | Not declared |
| Required env vars | WALLET_PRIVATE_KEYSERVER_URLMAX_PAYMENT_USDC | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 0 |
| Directory activity | 4 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 33 | 159 |
| Full listing | View MCP Server | View X402 Services |
Tools & capabilities
MCP Server tools 33
list_modelsList every LLM model available through true402's pay-per-call inference, with live per-token pricing (3% over provider cost, min $0.0001/request). Returns each model's id, provider, and input/output token prices across OpenAI, Anthropic, Google, Groq, Mistral and Together — so an agent can pick a model and know the exact cost before paying via x402 (USDC on Base, no account or API key).chatSend a chat completion request to an LLM via true402 (PAID x402 service, USDC on Base). Requires a funded wallet (WALLET_PRIVATE_KEY) on the MCP server.seo_auditAudit web pages for SEO + GEO (generative-engine optimization). POST `{ url, mode? }` for a single page, or `{ urls: [...], mode? }` to audit several in one call — priced per page ($0.04/page, up to 5 pages per request on this deployment). An unpaid request returns 402 with payment requirements. After payment, a single `url` returns a flat report (per-category scores + issues); `urls` returns `{ count, succeeded, pages: [...] }`. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.04–$0.2 USD/page (DYNAMIC — can exceed a fixed MAX_PAYMENT_USDC ceiling; raise it if a call is refused).web_extractFetch a web page and return clean readable text + light markdown + title/description/links. POST `{ url }`; an unpaid request returns 402. Flat-priced per request. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.005 USD (fixed).link_previewFetch a URL and return its Open Graph card (title, description, image, site name, favicon, canonical). POST `{ url }`; an unpaid request returns 402. Flat-priced per request. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.003 USD (fixed).screenshotRender a web page in headless Chromium and return a PNG screenshot as base64 JSON. POST `{ url, fullPage?, width? }`; an unpaid request returns 402. Flat-priced per request. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.01 USD (fixed).quantDeterministic finance calculators in one dispatch endpoint. POST `{ function, params }` where function ∈ {black_scholes, implied_volatility, kelly, sharpe, sortino, max_drawdown, historical_var, cvar, cagr, volatility}. e.g. black_scholes params {S,K,T,r,sigma,type}; kelly {p,b}; sharpe {returns[],rf?}. Unpaid: free while the caller's IP has free-trial calls left that day (a small daily allowance shared across the trial stalls, no wallet); otherwise returns 402. Flat-priced per request. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.003 USD (fixed).prediction_marketsKeyword-search live prediction markets across Polymarket, Limitless, and Manifold; returns normalized markets (probability outcomes, USD volume, close date). POST `{ query, limit? }`. Unpaid: free while the caller's IP has free-trial calls left that day (a small daily allowance shared across the trial stalls, no wallet); otherwise returns 402. Flat-priced per request. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.005 USD (fixed).defi_yieldsFilter + rank live DeFi lending/staking pool APYs across every protocol/chain (DefiLlama, ~15k pools). POST `{ chain?, project?, asset?, stablecoinOnly?, minTvlUsd?, includeOutliers?, limit? }`; returns pools sorted by APY (percent units, apyBase/apyReward split), TVL, stablecoin + ilRisk flags, and the DefiLlama poolId. Exploit-y outlier pools excluded by default. Unpaid: free while the caller's IP has free-trial calls left that day (a small daily allowance shared across the trial stalls, no wallet); otherwise returns 402. Flat-priced per request. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.005 USD (fixed).backlinksA domain's backlink profile: referring domains and pages, the dofollow split that carries authority, authority rank, spam score, broken backlinks, and link composition by TLD, type, attribute and country. POST `{ target }`; unpaid returns 402. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.1 USD (fixed).keyword_volumeMonthly search volume, CPC and competition for a batch of keywords, with a 12-month trend per term. Send up to 200 keywords in ONE call — they are priced per call, not per keyword. POST `{ keywords }`; unpaid returns 402. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.15 USD (fixed).ranked_keywordsWhich keywords a domain already ranks for in organic search, with position, search volume, CPC and competition. POST `{ target }`; unpaid returns 402. (PAID x402 service — USDC on Base; the MCP server needs a funded wallet to settle.) Price: $0.05 USD (fixed).- +21 more on the listing page
X402 Services tools 159
markdownConvert raw HTML to clean, LLM-ready markdown. Strips nav/script/style noise. [x402 paid tool — price $0.003; POST /api/markdown]extractExtract structured data (title, links, meta, headings, text) from HTML as JSON. [x402 paid tool — price $0.003; POST /api/extract]readFetch any public web page and return clean, LLM-ready markdown (plus title and final URL). Send { url }. We handle fetching, redirects, and noise-stripping. [x402 paid tool — price $0.003; POST /api/read]read_structuredFetch any public web page and return structured JSON: title, meta description, headings, links, text preview. Send { url }. [x402 paid tool — price $0.003; POST /api/read/structured]memory_setAgent Memory: durable key-value storage that survives between agent runs. Write a JSON value (16KB max) under a key. First write to a namespace claims it with your secret token. Send { ns, token, key, value }. [x402 paid tool — price $0.003; POST /api/memory/set]memory_getAgent Memory: read a stored value by key, or omit key to list all keys in your namespace. Send { ns, token, key? }. [x402 paid tool — price $0.003; POST /api/memory/get]scheduleWebhook Scheduler: schedule a future HTTP callback. At fireAt, we call your url with the payload. Agents' alarm clock for async work. Send { token, url, fireAt (ISO-8601), payload?, method? }. [x402 paid tool — price $0.003; POST /api/schedule]schedule_statusWebhook Scheduler: check a scheduled job's status and last delivery result. Send { token, id }. [x402 paid tool — price $0.003; POST /api/schedule/status]counterAtomic counter: increment-and-return a named counter (collision-free running totals & IDs across agent runs). Send { name, token, by? }. [x402 paid tool — price $0.003; POST /api/counter]lock_acquireDistributed lock: acquire a named lock for ttlSec so only one agent proceeds. Returns acquired:false if held. Send { name, token, ttlSec? }. [x402 paid tool — price $0.003; POST /api/lock/acquire]lock_releaseRelease a distributed lock you hold. Send { name, token, holder? }. [x402 paid tool — price $0.003; POST /api/lock/release]queue_pushTask queue: append a JSON item to a named queue for later/other agents. Send { name, token, item }. [x402 paid tool — price $0.003; POST /api/queue/push]- +147 more on the listing page
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
MCP Server
{
"mcpServers": {
"true402-mcp-server": {
"command": "npx",
"args": [
"-y",
"@true402.dev/mcp-server"
],
"env": {
"WALLET_PRIVATE_KEY": "YOUR_WALLET_PRIVATE_KEY_HERE",
"SERVER_URL": "YOUR_SERVER_URL_HERE",
"MAX_PAYMENT_USDC": "YOUR_MAX_PAYMENT_USDC_HERE"
}
}
}
}
X402 Services
{
"mcpServers": {
"x402-services": {
"url": "https://x402-services-production.up.railway.app/mcp"
}
}
}
Frequently asked questions
MCP Server is categorized under Finance & Fintech and uses a local stdio subprocess. X402 Services belongs to Finance & Fintech and uses a remote HTTP/SSE transport. Pick MCP Server for finance & fintech work and X402 Services for finance & fintech.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
MCP Server is listed as freemium — a free tier with paid plans. Auth: other. X402 Services has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add true402-mcp-server and x402-services as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Server has a quality signal of 64/100 (Good) with 4 views, 0 installs and 0 GitHub stars. X402 Services has 53/100 (Good) with 0 views, 0 installs and 0 GitHub stars.