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PopNx MCP为使用 AI 的人准备的 MCP 服务器 · 用大白话讲清楚

Tlacuilo

作者:mastercobeos版本 1.0.0i★ 0i在云端运行
注册名称io.github.mastercobeos/tlacuilo

安装方法

What it does

35 pay-per-call tools for AI agents over x402 (USDC): web, security, markets, SEC, papers, Mexico

  • Connects 在云端运行
  • Account or key No key needed
  • Category 网络安全

安装

选择你使用的 AI 应用,然后复制设置。

通过 5/5 项检查 · 你的提问会经过开发者的服务器(tlacuilo-jet.vercel.app) · ✓ 命令已检查 2026年11月15日

第一步:你用哪个 AI?

选择你用的应用,步骤会显示在下方。

可连接 Claude · 约 2 分钟

不需要密钥,不用安装程序 · 在 claude.ai 或桌面应用设置一次,即可在聊天中使用 · 免费账户可添加 1 个 · Team/Enterprise 方案由所有者(Owner)添加

  1. 打开 Claude 的 Connectors 页面

    CustomizeConnectors

    CustomizeConnectors1Add2https://…3Add4
  2. 点击“Add” → “Custom” → “Web”,填写这 2 项

    把这里的内容复制到 Claude 中同名的输入框,然后点击 Continue

    Name · 名称Tlacuilo
    Remote MCP server URL · 地址https://tlacuilo-jet.vercel.app/mcp

    在 Claude 检测到的登录设置页点击 Continue · Authentication 按作者说明选择(Sign in now、Sign in when needed 或 No sign in),然后点击 Add

  3. 在聊天中开启

    +ConnectorsTlacuilo

  4. 试一试

    用 Tlacuilo 告诉我你能帮我做什么,然后做一件给我看

    ✓ 如果 Claude 说正在使用 Tlacuilo,或回答中出现 Tlacuilo 的工具名称,就表示连接成功

菜单名称已于 2026年11月11日 对照 Anthropic 帮助页面核实 · 你的界面可能因版本略有不同

能否连接 ChatGPT 取决于方案

完整 MCP:网页版 ChatGPT Business、Enterprise 或 Edu · Pro:以读取/获取权限连接,修改数据的工具可能用不了 · Plus:官方文档尚未确认,如果在插件页看到添加自定义 MCP 的选项可以试试 · 仅限网页

  1. 在网页版 ChatGPT 打开添加 MCP 的页面

    Plugins+Add custom MCP server

    ChatGPTPlugins1+2https://…3Create4
  2. 填写名称和地址

    输入名称,在 Connection 下粘贴地址,勾选风险提示,然后点击 Create as a plugin

    Name · 名称Tlacuilo
    Connection · 地址https://tlacuilo-jet.vercel.app/mcp
  3. 在聊天中选择 Tlacuilo

    开启新聊天,输入前先从插件列表中选择 Tlacuilo

  4. 试一试

    用 Tlacuilo 告诉我你能帮我做什么,然后做一件给我看

    ✓ 如果 ChatGPT 说正在使用 Tlacuilo,或回答中出现 Tlacuilo 的工具名称,就表示连接成功

菜单名称已于 2026年11月11日 对照 OpenAI 帮助页面核实 · 你的界面可能因版本略有不同

可连接 Claude Code · 约 2 分钟

不需要密钥,不用安装程序

  1. 打开终端

    Mac:按 Command+空格,输入 Terminal · Windows:打开 PowerShell

  2. 粘贴这条命令并按 Enter

    claude mcp add --transport http --scope user tlacuilo https://tlacuilo-jet.vercel.app/mcp
  3. 在 Claude Code 中输入 /mcp

    应能看到 Tlacuilo 在列表中并显示已连接

  4. 试一试

    用 Tlacuilo 告诉我你能帮我做什么,然后做一件给我看

    ✓ 如果 Claude Code 说正在使用 Tlacuilo,或回答中出现 Tlacuilo 的工具名称,就表示连接成功

菜单名称已于 2026年11月11日 对照 Anthropic 帮助页面核实 · 你的界面可能因版本略有不同

可连接 Cursor · 约 2 分钟

不需要密钥,不用安装程序

  1. 点击这个按钮打开 Cursor

    在 Cursor 中打开

    Cursor 会请你确认安装,点击 Install

  2. 在 Cursor 中以 Agent 模式打开 AI 聊天

  3. 试一试

    用 Tlacuilo 告诉我你能帮我做什么,然后做一件给我看

    ✓ 如果 Cursor 说正在使用 Tlacuilo,或回答中出现 Tlacuilo 的工具名称,就表示连接成功

菜单名称已于 2026年11月11日 对照 Cursor 帮助页面核实 · 你的界面可能因版本略有不同

可连接 VS Code · 约 2 分钟

不需要密钥,不用安装程序

  1. 点击这个按钮打开 VS Code

    在 VS Code 中打开

    VS Code 会请你确认安装,点击 Install

  2. 在 VS Code 中以 Agent 模式打开 AI 聊天

  3. 试一试

    用 Tlacuilo 告诉我你能帮我做什么,然后做一件给我看

    ✓ 如果 VS Code 说正在使用 Tlacuilo,或回答中出现 Tlacuilo 的工具名称,就表示连接成功

菜单名称已于 2026年11月11日 对照 VS Code 帮助页面核实 · 你的界面可能因版本略有不同

其他支持 MCP 的应用(如 Windsurf、Zed、Gemini CLI)添加方式各不相同,请在应用列表中查看

查看所有支持 MCP 的应用 →

通过网页连接的应用使用的地址

地址https://tlacuilo-jet.vercel.app/mcp

JSON 设置在下方“开发者专用”中

卡住了?问问正在用 Tlacuilo 的人💬 讨论 →
开发者专用:终端命令和 JSON 设置

通过网页连接

Claude Code

claude mcp add --transport http --scope user tlacuilo https://tlacuilo-jet.vercel.app/mcp

Cursor (~/.cursor/mcp.json)

{
  "mcpServers": {
    "tlacuilo": {
      "url": "https://tlacuilo-jet.vercel.app/mcp"
    }
  }
}

VS Code (mcp.json)

{
  "servers": {
    "tlacuilo": {
      "type": "http",
      "url": "https://tlacuilo-jet.vercel.app/mcp"
    }
  }
}

这些设置是根据作者在注册中心的条目生成的。如果 README 的写法不同,请以 README 为准。

一览

每周下载量i
不在 npm/PyPI 上
连接方式
在云端运行
传输方式
streamable-http
最新版本i
1.0.0
发布到注册中心i
2026年11月15日
代码最后更新i
2026年11月15日
作者
mastercobeos
注册状态
活跃

哪些应用可以使用它

依据这个服务器的连接方式和各应用自己的文档,检查于 2026年11月10日。

通过互联网连接,适用于

ClaudeChatGPTGooseLM StudioMsty StudioCherry StudioCursorVS Code + GitHub CopilotVisual StudioWindsurf (Devin Desktop)ZedKiroClineContinueJetBrains AI AssistantClaude CodeCodex CLIGemini CLIOpenCodenodecodeWarpLibreChatOpen WebUIRaycast

全部应用及其优缺点 →

它能做什么

工具名称和描述与服务器在 2026年11月15日 报告的完全一致。这些内容由作者撰写,不是我们写的;我们以纯文本形式显示。

  • catalog

    Free. Lists every tool with its price in USD, the accepted networks and how x402 payment works over MCP.

  • health

    Free. Payment network, facilitator and configured data sources.

  • web_read

    Read any public web page as clean, LLM-ready markdown: title, meta description, language and main content with navigation, ads and scripts removed. Follows redirects. Cheapest way to read a URL before deciding whether to pay for a full render. Price: $0.001 USDC per call (x402).

  • x402_find

    Which x402 API should I call for this task? Searches the Coinbase Bazaar catalog and ranks candidates by evidence of real use: distinct payers, repeat calls per payer, recency of payments and price. Returns up to 10 endpoints with URL, price, networks, example input and the reaso

  • token_verdict

    Token verdict for a Base contract or Solana mint: DEX market data (price, liquidity, 24h volume, buys/sells, pair age), security checks (honeypot, taxes, mint/owner powers, holder concentration via GoPlus; RugCheck risks and LP lock on Solana), red and green flags, a one-word ver

  • msg_box

    Creates a private mailbox for agent-to-agent messaging and returns its 22-character id plus a secret read key. Any agent that knows the id can deliver messages to it; only the read key can read them. The mailbox lives 30 days; messages are kept 7 days, newest first, up to 500. Op

  • msg_send

    Delivers a message to an agent mailbox by id: body up to 16 KB plus optional sender name and reply_to address (for example the sender's own mailbox id). Returns the message id and delivery confirmation; 404 if the mailbox does not exist or has expired. A public demo mailbox (demo

  • msg_inbox

    Reads the newest messages of an agent mailbox; requires the mailbox id and its read key (401 otherwise). Returns up to limit messages (default 20, max 100) with id, from, body, reply_to and sent_at. Reads are non-destructive unless ack=true, which removes the returned messages so

  • guard_injection

    Prompt-injection detector for text an agent is about to feed to a model: tool results, scraped pages or user input. Rules and heuristics only, no LLM, fast and deterministic. Returns risk 0-1, a clean/suspicious/malicious verdict, the categories found (instruction override, role

  • agents_readiness

    Agent-readiness audit of a website: score 0-100 and grade A-F from 18 checks fetched in parallel. Covers robots.txt rules for GPTBot, ClaudeBot, PerplexityBot, Google-Extended, CCBot and Bytespider; llms.txt; sitemap.xml; openapi.json, ai-plugin.json, MCP and x402 discovery files

  • dns

    Full DNS profile of a domain in one call: A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records, SPF and DMARC parsed (policy, all-mechanism, reporting address), DNSSEC validation flag, and inferred providers for DNS hosting, email and web hosting. Resolved over DNS-over-HTTPS with a

  • domain

    Domain registration record from the authoritative registry via RDAP (the successor to WHOIS): whether the domain is registered, registrar name and IANA ID, abuse contact, creation, last-change and expiration dates, days until expiry, EPP status codes, registry nameservers and DNS

  • web_tables

    Every HTML table on a public web page as structured JSON: title (caption or nearest heading), headers, rows as arrays and as records keyed by header, numeric columns detected and parsed to numbers, colspan and rowspan expanded, footnote markers removed. Selecting one table by ind

  • email_validate

    Email address check without sending mail: RFC-style syntax validation, domain deliverability from MX (or A/AAAA fallback) over DNS-over-HTTPS, mail exchangers, disposable-domain and free-provider detection, role-based local parts (info, support, noreply), typo suggestion for comm

  • polymarket_markets

    Polymarket prediction markets matching a text query, or the top markets by 24-hour volume when no query is given. Each market includes the question, every outcome with its current price (implied probability), the Yes probability, total and 24h volume, liquidity, end date, status

  • polymarket_market

    One Polymarket market by numeric id or slug: question, resolution description, outcomes with current prices, Yes probability, last trade, best bid and ask, 24h price change, total and 24h volume, liquidity, end date, status, parent event, tags and the Polymarket URL. Source: Poly

  • sec_filings

    SEC EDGAR filings for a US-listed company by ticker or CIK, newest first, optionally filtered by form type (10-K, 10-Q, 8-K, 4, S-1...). Returns company name, CIK, SIC code and industry, state and fiscal year end, and for each filing the form, filing date, period, accession numbe

  • sec_facts

    Reported financial values of a US-listed company from SEC XBRL company facts: the most recent annual (10-K) and quarterly (10-Q) figures for one concept such as revenue, net income, diluted EPS, total assets, cash or shares outstanding, with fiscal year, period dates, unit, form

  • federal_register_search

    US Federal Register documents (final rules, proposed rules, notices, presidential documents) matching a full-text query, newest first, with optional filters by agency, document type and publication date. Each document includes number, title, type, abstract, agencies, publication

  • papers_search

    Full-text search across 250M+ scholarly works in OpenAlex: title, authors, year, venue, type, citation count, open-access status with PDF link, reconstructed abstract (up to 1500 chars) and topics. Filters by publication date range and open access; sorted by relevance or citation

  • papers_cite

    Formatted citation for any DOI registered with Crossref or DataCite (journal articles, books, arXiv preprints, datasets): BibTeX entry plus a formatted reference in APA, MLA, Chicago author-date, IEEE, Harvard, Nature or AMA style. Resolves through DOI content negotiation with Cr

  • clinical_trials_search

    Clinical trial search on ClinicalTrials.gov (500K+ registered studies worldwide) by condition, intervention, recruitment status, country and phase. Each study includes NCT ID, title, status, phase, conditions, interventions with type, lead sponsor, enrollment, start and completio

  • deps_check

    Security and freshness check for one package version across npm, PyPI, Go, Maven, Cargo and NuGet: known vulnerabilities from OSV with CVE aliases, CVSS score and level, fixed versions and advisory URL; latest version, versions behind, publish date, licenses, deprecation flag and

  • deps_audit

    Vulnerability audit of up to 200 pinned dependencies in one call against the OSV database (npm, PyPI, Go, Maven, Cargo, NuGet). Accepts a package list or a package.json (dependencies and devDependencies, range prefixes stripped). Returns, per package, every known advisory with CV

  • rfc_validar

    Validates a Mexican RFC (tax ID): structure, person type (física/moral), embedded date and SAT check digit. Offline, no SAT call. Price: $0.002 USDC per call (x402).

  • curp_validar

    Validates a Mexican CURP: 18-character structure, check digit, and decodes sex, birth date and state of birth. Offline. Price: $0.002 USDC per call (x402).

  • cp

    Mexican postal code lookup from the national catalog of Correos de México: state, municipality, city and every neighborhood (colonia) with its settlement type. Price: $0.003 USDC per call (x402).

  • dias_habiles

    Mexican banking business days per the CNBV calendar: whether a date is a business day, the next and previous business day, and a date plus N business days. Price: $0.002 USDC per call (x402).

  • uma

    Current and historical UMA (Unidad de Medida y Actualización) values published by INEGI: daily, monthly and annual amounts with their effective dates. Price: $0.001 USDC per call (x402).

  • salario_minimo

    Mexican minimum wage set by CONASAMI: general daily rate and the Northern Border Free Zone rate for a given year, with monthly equivalents. Price: $0.001 USDC per call (x402).

  • iva

    Mexican VAT (IVA) and retention rates: general 16%, northern/southern border 8%, 0% and exempt categories, plus ISR and IVA retention rates for professional services and leases. Price: $0.001 USDC per call (x402).

  • banxico

    Latest value of an official Banco de México series: fix (USD/MXN FIX rate), udis, tiie28, tasa-objetivo, or any raw SIE series ID. Returns the date and value as published. Price: $0.003 USDC per call (x402).

  • sat_69b

    Checks an RFC against the SAT 69-B list of taxpayers with presumed non-existent operations (EFOS). Returns status (presunto, desvirtuado, definitivo, sentencia favorable), notice numbers and publication dates. Price: $0.02 USDC per call (x402).

  • sat_cfdi_verificar

    Verifies a CFDI 3.3/4.0 invoice against the SAT web service: whether it exists, is vigente or cancelado, its cancellation status and EFOS flag. Needs UUID, issuer RFC, receiver RFC, total and the last 8 characters of the seal. Price: $0.03 USDC per call (x402).

  • empresas_buscar

    Searches Mexican businesses in INEGI's DENUE directory (5M+ establishments) by name or keyword, optionally filtered by state. Returns name, legal name, activity, address, postal code, phone, email, website, size and coordinates. Price: $0.05 USDC per call (x402).

  • empresas_cerca

    Finds Mexican businesses near a coordinate using INEGI's DENUE: keyword plus latitude, longitude and radius up to 5,000 m. Same fields as the name search. Price: $0.05 USDC per call (x402).

  • empresas

    Full record of one Mexican business from INEGI's DENUE by establishment ID: identification, activity, address, contact, size, type and coordinates. Price: $0.02 USDC per call (x402).

基础检查i

我们检查的是任何人都能看到的信息;我们没有阅读代码。不适用的检查项不计入总数。 · 检查于 2026年11月15日

  • ✓ 通过

    作者与仓库一致

    注册名称已通过 GitHub 账户 mastercobeos 验证,该账户拥有此仓库

  • ✓ 通过

    仍在维护

    代码最后更新于今天

  • ✓ 通过

    有许可证

    使用 MIT

  • ✓ 通过

    端点有响应

    在 165 毫秒内响应(HTTP 200)

  • – 不适用

    使用 OAuth 登录

    无需登录

  • ✓ 通过

    工具描述中没有隐藏指令

    已读取 37 个工具描述,未发现针对 AI 的隐藏指令

我们检查什么 → · JSON

作者:申请重新检查或报告信息错误

讨论

提问、分享技巧或报告无法使用。按“有帮助”数量排序。

还没有帖子,欢迎第一个提问或分享。

此处内容由用户撰写,不代表 PopNx 团队。

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与“网络安全”中的其他服务器比较i

  • 星标数多于此分类中其他 1063 个服务器的 0%
  • 发布到注册中心的时间比此分类中其他 1063 个服务器的 99% 更新
  • 基础检查结果等于或优于此分类中其他 1063 个服务器的 100%

与注册中心里这个分类中所有活跃的服务器比较。只有当发布者拥有该仓库时,星标数才计入。

常见问题

Tlacuilo 安全吗?

它在 5 项适用的基础检查中通过了 5 项。我们没有阅读代码。在添加密钥或令牌之前,请先看看这个服务器要求哪些权限,并使用只具备所需权限的密钥。

它需要哪些密钥或代码?

注册中心没有列出必需的密钥,不过有些服务器会在首次使用时要求你登录。

它在我的电脑上运行还是在云端?

它在作者的云端运行。通过互联网连接,无需安装,但你发送的内容会经过作者的服务器。

它还在维护吗?

GitHub 仓库最后更新于今天,最新版本(1.0.0)于今天进入注册中心。

哪些应用可以使用它?

支持 MCP 的应用,例如 Claude Desktop、Claude Code、Cursor 和 VS Code。它通过 URL 连接,因此也能用于接受远程 MCP 的应用,例如网页版 ChatGPT(Business 及以上为完整 MCP;Pro 为只读)。

有什么可以替代它?

同一分类中有:GitHits, Dependency Management MCP Server, Snyk MCP, Draugr, Spotdb

功能相近的其他选择

同一分类、其他作者、命令已通过检查。官方的排在前面,再按星标排序。

如何看卡片:↓ 每周下载量i★ GitHub 星标i三大支柱:评价 · 检查 · 使用情况i更新 = 最新版本发布到注册中心的时间i

GitHits

Search public open-source code, documentation, metadata, vulnerabilities, changelogs, and examples.

作者:githits-com正在增长↓ 3807/周★ 1366天前更新

电脑或云端✓ 服务方 · githits.com

Dependency Management MCP Server

Sonatype component intelligence: versions, security analysis, and Trust Score recommendations

作者:sonatype起步阶段★ 7212个月前更新

在云端运行✓ sonatype.com

Snyk MCP

Easily find and fix security issues in your applications leveraging Snyk platform capabilities.

作者:snyk广泛使用↓ 76.2万/周★ 626个月前更新

在你的电脑上运行✓ 服务方 · snyk.io

Draugr

Security scanning for AI agents: SAST, SCA, secrets, IaC, DAST, ranked by real risk.

作者:draugr-dev起步阶段★ 29今天更新

在你的电脑上运行✓ 服务方 · draugr.dev

Spotdb

Ephemeral data sandbox for AI workflows with guardrails and security

作者:aliengiraffe起步阶段★ 2113个月前更新

在你的电脑上运行✓ aliengiraffe.ai
  • GitHits — 云端或安装在电脑上都可以 · 不需要密钥
  • Dependency Management MCP Server — 在云端运行,无需安装 · 不需要密钥
  • Snyk MCP — 需要安装在电脑上 · 不需要密钥
  • Draugr — 需要安装在电脑上 · 不需要密钥
  • Spotdb — 需要安装在电脑上 · 不需要密钥

作者的 README

打开 README

按原文从作者的仓库复制。PopNx MCP 没有审查或背书其内容。HTML、图片和脚本已被移除。链接会离开本站。

Tlacuilo

Tools, public data and official Mexican data for AI agents, paid per call with x402.

Tlacuilo is an HTTP API (and an MCP server) with 35 tools that an agent can call without an account, an API key or a subscription. Every endpoint answers 402 Payment Required with its price; the agent pays a few cents in USDC on Base or Solana using the x402 protocol and gets the answer in the same request. Prices run from $0.001 to $0.05 per call.

  • Base URL: https://tlacuilo-jet.vercel.app/api/v1
  • Free machine-readable catalog: https://tlacuilo-jet.vercel.app/api/v1
  • MCP server (Streamable HTTP): https://tlacuilo-jet.vercel.app/mcp
  • OpenAPI: https://tlacuilo-jet.vercel.app/openapi.json · x402 discovery: https://tlacuilo-jet.vercel.app/.well-known/x402 · https://tlacuilo-jet.vercel.app/llms.txt
  • Listed in the Coinbase x402 Bazaar and on Agentic.Market.

This repository holds the documentation and runnable client examples (examples/). The server itself is not open source.

Why

Agents are good at calling tools and bad at signing up for things. x402 turns payment into an HTTP handshake: the server says what it costs, the client signs a USDC transfer, a facilitator settles it, and the response comes back. No dashboard, no keys to leak, no monthly minimum. Tlacuilo wraps sources that are useful to agents but awkward to reach (SEC EDGAR, OpenAlex, ClinicalTrials.gov, the Federal Register, Polymarket, OSV, RDAP, DNS, and official Mexican sources such as SAT, Banxico, INEGI and CONASAMI) behind one consistent, paid-per-call interface.

Quickstart

1. See the price (free)
curl -i "https://tlacuilo-jet.vercel.app/api/v1/banxico/fix"
HTTP/1.1 402 Payment Required

Content-Type: application/json Payment-Required: eyJ4NDAyVmVyc2lvbiI6MiwiZXJyb3IiOiJQYXltZW50IHJlcXVpcmVkIiwicmVzb3VyY2UiOnsi... Access-Control-Expose-Headers: PAYMENT-REQUIRED, PAYMENT-RESPONSE, X-PAYMENT-RESPONSE

The Payment-Required header is base64 JSON (x402 v2). Decoded, it contains the resource description, the accepts array with one entry per network (scheme exact, network as a CAIP-2 id, USDC asset, amount in atomic units, payTo address, timeout) and the Bazaar discovery block with the input schema and an output example:

curl -s -i "https://tlacuilo-jet.vercel.app/api/v1/banxico/fix" \

| grep -i '^payment-required:' | cut -d' ' -f2 | base64 -d | jq .

{

"x402Version": 2, "resource": { "url": "https://tlacuilo-jet.vercel.app/api/v1/banxico/fix", "description": "...", "serviceName": "Tlacuilo" }, "accepts": [ { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "3000", "payTo": "...", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:8453", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "3000", "payTo": "...", "maxTimeoutSeconds": 300 } ], "extensions": { "bazaar": { "info": { "input": { "type": "http", "method": "GET" }, "output": { "type": "json", "example": { } } } } } }

"amount": "3000" is 0.003 USDC (6 decimals). The catalog at /api/v1 lists the same prices in dollars.

2. Pay and get the answer (Node, @x402/fetch)
import { x402Client, wrapFetchWithPayment, decodePaymentResponseHeader } from "@x402/fetch";

import { registerExactSvmScheme } from "@x402/svm/exact/client"; import { createKeyPairSignerFromBytes } from "@solana/kit"; import { base58 } from "@scure/base";

const signer = await createKeyPairSignerFromBytes(base58.decode(process.env.SOLANA_SECRET_KEY)); const client = new x402Client(); registerExactSvmScheme(client, { signer }); // Solana mainnet, USDC const fetchWithPayment = wrapFetchWithPayment(fetch, client);

const res = await fetchWithPayment("https://tlacuilo-jet.vercel.app/api/v1/banxico/fix"); console.log(await res.json()); // { serie: "fix", fecha: "...", valor: ... }

const receipt = res.headers.get("PAYMENT-RESPONSE"); // settlement details, incl. tx signature if (receipt) console.log(decodePaymentResponseHeader(receipt));

npm i @x402/fetch @x402/svm @solana/kit @scure/base

To pay on Base instead, register the EVM scheme with a viem account:

import { ExactEvmScheme } from "@x402/evm/exact/client";

import { privateKeyToAccount } from "viem/accounts"; const client = new x402Client().register("eip155:*", new ExactEvmScheme(privateKeyToAccount(process.env.EVM_PRIVATE_KEY)));

The wrapped fetch handles the 402 round-trip transparently: it reads Payment-Required, picks a network you registered, signs, retries with the payment header and returns the paid response. A complete, runnable version that creates and funds a throwaway Solana wallet is in examples/pay.mjs. Python and other clients: see the x402 SDKs at https://github.com/x402-foundation/x402.

3. Use it as an MCP server

The MCP server at https://tlacuilo-jet.vercel.app/mcp (Streamable HTTP, no authentication) exposes the same 35 paid tools plus two free ones, catalog and health. Tool names are the HTTP paths with underscores (web_read, sec_filings, banxico, uma); path parameters become arguments. Payment travels inside MCP _meta (x402/payment and x402/payment-response) exactly as specified by @x402/mcp; a client wrapped with @x402/mcp pays automatically, with an optional approval hook per call.

Claude Code

claude mcp add --transport http tlacuilo https://tlacuilo-jet.vercel.app/mcp

Cursor (.cursor/mcp.json)

{

"mcpServers": { "tlacuilo": { "url": "https://tlacuilo-jet.vercel.app/mcp" } } }

Paying from your own MCP client (@x402/mcp)

import { createx402MCPClient } from "@x402/mcp";

import { ExactSvmScheme } from "@x402/svm/exact/client"; import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js";

const client = createx402MCPClient({ name: "my-agent", version: "1.0.0", schemes: [{ network: "solana:*", client: new ExactSvmScheme(signer) }], // or "eip155:*" with ExactEvmScheme autoPayment: true, onPaymentRequested: ({ toolName, paymentRequired }) => BigInt(paymentRequired.accepts[0].amount) <= 50_000n, // approve calls up to 5 cents }); await client.connect(new StreamableHTTPClientTransport(new URL("https://tlacuilo-jet.vercel.app/mcp"))); const uma = await client.callTool("uma", { anio: "2026" });

npm i @x402/mcp @x402/svm @solana/kit @modelcontextprotocol/sdk

A tool call without payment returns an MCP tool result with isError: true and the PaymentRequired object in structuredContent; wrapped clients pay and retry. A runnable client that lists the tools, calls catalog and pays for one tool is in examples/mcp.mjs.

Tools

Prices are per call, in USD, settled in USDC. Every tool is documented with parameters and a runnable example in the free catalog at /api/v1.

Agent tools
ToolPriceWhat it does
GET /web/read$0.001Any public web page as clean, LLM-ready markdown (title, meta, language, main content; nav, ads and scripts removed).
GET /web/tables$0.003Every HTML table on a page as JSON (headers, rows, records, parsed numbers, colspan/rowspan expanded); one table also as CSV.
GET /x402/find$0.01Which x402 API should I call for this task? Searches the Bazaar and ranks by evidence of real use (distinct payers, repeat calls, recency, price).
GET /token/verdict$0.02Token verdict for a Base contract or Solana mint: DEX data, security checks (GoPlus, RugCheck), red/green flags, one-word verdict. Not trading advice.
POST /msg/box$0.005Create a private agent-to-agent mailbox (30-day life, 7-day message retention, up to 500 messages).
POST /msg/send$0.001Deliver a message (up to 16 KB) to a mailbox by id.
GET /msg/inbox$0.001Read the newest messages of a mailbox with its read key; ack=true consumes them.
GET /guard/injection$0.002Prompt-injection detector for text an agent is about to feed a model: risk 0–1, verdict, categories with evidence, sanitized copy. Rules only, no LLM, deterministic.
GET /agents/readiness$0.01Agent-readiness audit of a website: score 0–100 from 18 checks (robots rules for AI crawlers, llms.txt, sitemap, openapi.json, MCP/x402 discovery files, JSON-LD, Open Graph, no-JS content, HTTPS, response time) with recommendations.
Security and trust
ToolPriceWhat it does
GET /dns/:domain$0.003Full DNS profile: A, AAAA, CNAME, MX, NS, TXT, SOA, CAA; SPF and DMARC parsed; DNSSEC flag; inferred DNS, email and hosting providers.
GET /domain/:domain$0.005Registration record via RDAP: registrar, abuse contact, creation/expiry dates, EPP status, nameservers, DNSSEC delegation.
GET /email/validate$0.002Email check without sending mail: syntax, MX deliverability, disposable/free-provider detection, role accounts, typo suggestion, canonical form, 0–100 score.
GET /deps/check$0.005One package version across npm, PyPI, Go, Maven, Cargo, NuGet: OSV vulnerabilities with CVSS and fixed versions, latest version, versions behind, licenses, deprecation.
POST /deps/audit$0.02Audit up to 200 pinned dependencies (or a package.json) against OSV in one call, with a severity summary.
Public data worldwide
ToolPriceWhat it does
GET /polymarket/markets$0.005Polymarket markets matching a query, or the top markets by 24h volume, with outcome prices, volume, liquidity and end date.
GET /polymarket/market/:id$0.003One market by id or slug: outcomes, Yes probability, bid/ask, 24h change, volume, resolution text.
GET /sec/filings$0.005SEC EDGAR filings by ticker or CIK, filterable by form (10-K, 10-Q, 8-K, 4, S-1, DEF 14A, 13F-HR), with document URLs.
GET /sec/facts$0.005XBRL company facts: latest annual and quarterly values for revenue, net income, EPS, assets, cash, shares and any us-gaap/dei concept.
GET /federal-register/search$0.003US Federal Register documents (rules, proposed rules, notices, presidential documents) by text, agency, type and date.
GET /papers/search$0.005Full-text search over 250M+ scholarly works in OpenAlex with abstracts, citations, open-access PDF links and DOIs.
GET /papers/cite$0.002BibTeX plus a formatted reference (APA, MLA, Chicago, IEEE, Harvard, Nature, AMA) for any DOI.
GET /clinical-trials/search$0.005ClinicalTrials.gov studies by condition, intervention, status, country and phase, with sponsor, enrollment, dates and summary.
Mexico: basic official data
ToolPriceWhat it does
GET /rfc/validar$0.002Validate a Mexican RFC (tax id): structure, person type, embedded date, SAT check digit. Offline.
GET /curp/validar$0.002Validate a CURP and decode sex, birth date and state of birth. Offline.
GET /cp/:cp$0.003Postal code lookup from the national Correos de México catalog: state, municipality, city and every neighborhood.
GET /dias-habiles$0.002Banking business days per the CNBV calendar: is it a business day, next/previous, date plus N business days.
GET /uma$0.001Current and historical UMA values published by INEGI (daily, monthly, annual).
GET /salario-minimo$0.001Minimum wage set by CONASAMI: general and Northern Border Free Zone rates with monthly equivalents.
GET /iva$0.001VAT (IVA) and retention rates: 16 %, 8 % border, 0 % and exempt categories, ISR/IVA retentions.

| GET /banxico/:serie | $0.003 | Latest value of an official Banco de México series: fix, udis, tiie28,

只显示了开头部分;其余内容请在仓库中阅读