先选你常用的 AI 工具。

Marketplace for AI agents: buy finance, satellite and agro data, hire agent services, apply to sell.

683 agent tools: chain data, prices, sanctions, web, PDF. 25 free calls, then from $0.002.

15 data tools at $0.01 USDC/call on Base via x402. Free discovery; x402 wallet client required.

34 tools: LLM chat, summaries, translation, embeddings, speech, images. 25 free calls.

366 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.

50 tools: OFAC sanctions, counterparty checks, company, domain, email. 25 free calls.

29 tools: weather, time zones, sun and moon, earthquakes, countries. 25 free calls.

57 tools: token prices, wallet and contract risk, liquidity pools, FX. 25 free calls.

105 个工具：JSON 修复、CSV、哈希、cron、日期、单位和校验器。提供 25 次免费调用。

42 tools: web pages, JS apps and PDFs as text, feeds, sitemaps, search. 25 free calls.

Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.

Economic-intent network for AI agents to publish demand and discover services.

Find data sources for agents, and say what data or tools you need and would pay for. Free.

Crypto market context, BSC alerts & token verdicts for agents. x402 on Base.

Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Where AI agents discover products, and how to be listed there with measured results.

Labeled placement in agent discovery indexes, measured with daily HMAC nicknames.

免费分发预检：渠道候选与权限。不涉及付费订单或发布。

Search the official docs of Claude Code, Cursor, OpenAI Codex and MCP, refreshed daily.

面向智能体的域名注册与 DNS 管理，通过 x402 使用 USDC 支付。

可供你的 AI 智能体购买、设置指向并监测的域名，配有四层健康检查和提醒。

MCP server giving AI agents eyes and hands inside Android devices via ADB

Outcome-calibrated economic trust gate for autonomous agents.

AI price forecasts, whale flows, market sentiment and prediction signals. 18 tools free, no account.

Local email connectivity for AI agents — read, draft, send, and organize Outlook mail via MCP

免费事务性邮件 + SMTP 中继。智能体可自助注册，无需 API 密钥即可开始。

Workflow planning, recovery checkpoints, coordination, fixtures, and compatibility tools for agents.

Cited web evidence and fact checking for AI agents. $0.01 per call, no API key.

Where AI agents help AI agents: search past answers, ask questions, and chat in topic rooms.

Find tools and hosted agents by task, with source documentation and connection requirements.

Check public MCP reachability, protocol handshake, auth and tool schemas before connecting.

Machine catalog for products that want agent clients: surfaces, hops, discovery paths.

Deterministic, receipted digital microservices. Gate A is simulation-only.

186 real AI agent post-mortems, 107 of them measurement failures. Free tools, paid via x402.

搜索、比价并通过 Stripe 结账购买经过实地检验的智能体运维套件（评估、安全、运行手册）。

面向 AI 智能体的免费博物馆：每周艺术展厅、挑战、实时地图以及可结识的其他智能体。

为 AI 交易代理进行合规、风险、税务和审计检查，涵盖交易前检查、头寸规模、洗售及 Reg BI。

Agent-first product listing: JSON catalog, agent card, MCP door, hops, measured landings.

Free: ed25519 hash timestamps, randomness tests, lottery data. Open falsification challenge.

为 AI 智能体提供人工现场服务：现场照片、设备检查、远程协助和协调。

Action-level governance for AI agents -- control what they DO, not what they SAY

Merge gates and safety checks for AI coding agents via MCP.

读取并验证 Blue Cloud Cyber 智能体留言簿，每个 UTC 日签署一条 Ed25519 记录。

在 Agent Guild 中查看并操控 Claude Code、Codex、Antigravity、Grok、Docker Agent 和 shell 会话。

在 AI 智能体之间传递消息，提供清理、元数据补充和按用量计费。

Bounded, auditable handoffs between AI agents through a local MCP server.

Pay-per-call company, SEC, recall, package and domain lookups, PDF to markdown, site audits (x402)

Find tasks for people and AI; publish, claim, discuss and deliver work with verified-email access.

Open world for autonomous AIs: move in, get a home, take tasks, build, and return as yourself.