Verifiable agent identity (content-addressed DIDs) + capability discovery — the passport and directory of the A2A economy.
- Register Agent: Register (or idempotently update) an agent identity. Returns a deterministic content-addressed DID. capabilities is a non-empty list of lowercase capability tags other agents can disco
- Resolve Agent: Resolve an identity by agent_id or DID to its full public registration.
- Discover Agents: Find ACTIVE agents matching ALL requested capabilities (AND semantics), deterministically ordered by match count then reputation.
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38 x402 pay-per-call tools for AI agents (USDC/USDT on Base): web, crypto, on-chain, geo, packages
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Remote MCP server with 40 tools across 38 data endpoints for web research, search, scraping, crypto market data, on-chain analytics and developer metadata.
- Extract Clean: Clean page extraction from any public URL: title, meta description, main text, JSON-LD, language. Optional `schema` keeps only the listed top-level keys. Apify (JS-rendered) with direct
- Market Spread: Cross-exchange crypto spread from live tickers: gross spread, fees, modelled slippage, transfer cost and net edge in bps for a given trade size. Ticker/volume based (no full order book)
- Gas Fees: Live EIP-1559 gas fees (slow/standard/fast tiers) plus USD cost per transaction type (transfer, ERC-20 transfer, swap, NFT mint) for Base, Ethereum, Arbitrum, Optimism and Polygon. Aggregate
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Usage metering + SLA accounting for agent services (the meter behind x402 micropayments).
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Usage metering + SLA accounting for agent services — the meter behind x402 pay-per-call billing.
- Create Meter: Create a usage meter between a provider and a consumer agent. unit: what is being counted (call, token, kwh, ...). Price is in minor currency units (cents) per unit. Returns the meter_id
- Record Usage: Record a usage event. Idempotent on event_id (safe to retry — never double-billed). outcome is 'ok' or 'error' and feeds the SLA report.
- Usage Summary: Totals for a meter: event count, total quantity, accrued minor units.
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Agent Module provides agent-native knowledge infrastructure — deterministic, vertical-specific EU AI Act compliance knowledge retrievable at runtime via MCP.
- Query Knowledge: Retrieve structured knowledge from Agent Module verticals. Returns deterministic, validated knowledge nodes. Index layer always free. All 4 content layers available via trial key on e
- Get Trial Key: Request a free 24-hour trial key for the Ethics vertical. Unlocks all 4 content layers across all 23 modules. 500-call cap. No payment required.
- Check Status: Check Agent Module API operational status, version, cohort counts, and seat availability.
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Per-agent-pair IAM for A2A.
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Free MCP server: scan any website for AI-agent readiness (full-suite audit: robots.txt-for-AI, llms.txt, agent-card, MCP server-card, OAuth discovery…
- Start Agent Ready Setup: Use this when an end user asks 'help me make my site agent-ready' or any equivalent. Orchestrates the end-to-end flow: scan → vertical analysis → tool-name suggestions → tier
- Scan Site: Use this when you need to assess how AI-callable a site is. Runs 19 checks (robots.txt, agent card, MCP server card, MCP liveness, llms.txt, sitemap, link headers, markdown negotiation, con
- Detect Platform: Use this when you need to pick the right deploy instructions for a site (different hosts need different snippets — .htaccess for cPanel vs next.config headers for Vercel). Identifies
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MCP/x402 starter audit; payment-ready buyers call buynow first.
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Japanese prompt injection detection and x402 pre-payment security check API.
- Security Scan: Scan text for prompt injection and threats
- Pre Payment Check: Check API safety before x402 payment
- Validate Completeness: Validate task list completeness
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Discover agent-callable resources from your agent.
- Search: Find x402 paid services matching a natural-language intent. Results are ranked by: health → has-quality-signal → confidence → 30-day transaction volume → last-updated. So the highest-quality r
- Get: Get full details (URL, price, schema, call template) of a service by slug. Returned dict includes `confidence` (0–1, x402scan quality score) and `tx_30d` (30-day x402 payment count) when availabl
- List Categories: List all available service categories in the directory.
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Free, agent-first MCP discovery layer for the x402 paid-service ecosystem.
- Search: Find x402 / MCP services matching an intent or filter set. Two usage modes (agents pick whichever fits): A. Natural-language: `search(intent="fetch tweets for @user")` B. Pure browse: `search(
- Ask Services: Ask for the best x402/MCP services for an agent intent. This is the high-level discovery tool: it retrieves candidates from the directory, asks the configured backend LLM to rank only th
- Get: Get full details + ready-to-paste call template for a service. Returns the service card with payment, call, quality, resource samples, and ready-to-use MCP/x402 call hints. Use this after `search
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The candy store for AI agents.
- Fortune Cookie: Get a fortune cookie with lucky numbers. Free.
- Compliment: Receive a heartfelt compliment. Free.
- Fun Fact: Learn a fascinating fact. Free.
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Pay-per-call data tools for AI agents: crypto signal, web reader, SEO audit.
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Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, free via PoW or card credits
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Router-proxy + pay-per-call x402 tools for AI agents — no API key, payment is the auth (USDC on Base).
- Agentbit Discover: Search every indexed x402 resource across Coinbase Bazaar, Agent402 and Agentic Market (7k+ tools): name, price, seller, network, usage metrics. Free — use it FIRST to find the righ
- Agentbit Route: Pay ONCE, we execute the best x402 tool for your task across the whole ecosystem (14k+ tools) — including external sellers, paid from our treasury — and return the result. Give a plain
- Agentbit.Address Eip55: EIP-55 mixed-case checksum for a 20-byte EVM (Ethereum/Base) hex address, via Keccak-256. Normalize and verify addresses before a transfer. Pay-per-call via x402 (USDC, Base).
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API-first crypto exchange for AI agents.
- Register Agent: Create a new agent account on AgentBroker. Returns an api_key for all authenticated operations. Use mode="sandbox" to start with $10,000 virtual USDC for testing, or mode="live" for re
- Get Prices: Fetch real-time market prices for all 8 crypto pairs (BTC, ETH, SOL, AVAX, LINK, DOGE, ARB, MATIC — all vs USDC). No authentication required. Data sourced from CoinGecko, updated every 30
- Get Balance: Check your USDC balance, active trading strategy, total deposited, and trade count. Requires your api_key.
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AgentBureau: The Notary for the agentic age Website: https://agentbureau.de/ Github: https://github.com/JustinGuese/AgentBureau-402-embodiment-as-a-service…
- Create Invoice: Generate a GoBD-compliant German invoice with automated VAT calculation. Costs 5 USDC. Generate a GoBD-compliant German invoice with automated VAT calculation. Costs 5 USDC. ### Respon
- Send Letter: Send a physical letter in Germany via Deutsche Post / Pingen (legally valid per BGB §126). Costs 3 USDC. Send a physical letter in Germany via Deutsche Post / Pingen (legally valid per BG
- Send Fax: Send a programmatic fax to a German number with a legally valid transmission report. Costs 1 USDC. Send a programmatic fax to a German number with a legally valid transmission report. Costs
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Agent-callable digital microservices billed per-call via Stripe MPP (Machine Payments Protocol).
- Ai.Digest: Get a curated weekly digest of AI and agentic-AI news. Returns the latest week's notable model releases, agent frameworks, infrastructure updates, research papers, product launches, safety/
- Ai.Models: Get the current snapshot of frontier and production AI models with citable pricing, context windows, and capabilities. Returns model entries from major providers (Anthropic, OpenAI, Google,
- Domain.Check: Check whether a domain name is available for registration. Returns availability for the primary domain plus alternate TLD suggestions, and WHOIS data (registrar, registration date, expir
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Give your AI agent its own payment card.
- Buy: Shop and check out, in natural language, across the merchants the user has linked (DoorDash, etc.). Pass the whole ask as `request` — e.g. "order a caesar salad from Zuni on DoorDash" — and this
- Surprise Me: Buy the user something totally unexpected and very silly/stupid-fun under a small dollar cap (default $10, hard max $25). Great when the user cannot decide what to order (from DoorDash et
- Get Instructions: Call this BEFORE using `buy`; returns the latest usage guide for shopping and checking out with AgentCard.
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Verifiable crypto signals, recorded history and always-on monitoring for AI agents via x402 on Base.
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x402-paid tools: EU company & sanctions data, web search, LLM chat, crypto intel, x402 monitoring.
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The first print-on-demand store your AI agent can run for you.
- Search Products: Search the allover.art catalog (one card per design). Args: query? (free text, e.g. 'cat', 'neon koi'), theme? (canonical theme like Cats/Anime/Skulls, comma-separated for several), s
- Get Product: Full details of one product by its code: available sizes, fabrics, per-variant price, and the design 'about' text. Args: code (from search_products).
- List Collections: List active curated collections (themed landing pages) with their slugs and urls. Args: limit?.
Finance & Payments · API key required · Free
Global macroeconomic intelligence — IMF GDP growth & inflation for 229 countries, World Bank development indicators, and OECD economic data.
- Get Global Gdp: Get global GDP and macroeconomic indicators from the IMF World Economic Outlook. Supports GDP growth, inflation, government debt, current account, and GDP per capita for major economie
- Get World Bank Data: Get development indicators from the World Bank for major countries. Covers GDP, population, inflation, unemployment, GDP per capita, and Gini index.
- Get Oecd Indicators: Get OECD country comparison data for G7 and major economies. Topics: interest_rates (long-term), trade_balance (current account), cpi (inflation).
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Scan any website for AI agent readiness, payment protocols, and discovery endpoints
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Access comprehensive market intelligence across stocks, crypto, macro, and fixed income to make data-driven investment decisions.
- Get Market Snapshot: Real-time market snapshot: indices, volatility, yields, commodities, crypto, sentiment, and market regime.
- Get Crypto Data: Crypto market data: prices, dominance, sentiment, and cycle analysis.
- Get News Sentiment: Market news sentiment analysis with breaking news detection.
Finance & Payments · API key required · Free
Buy a managed AI phone agent for a business, paid keylessly via x402/RLUSD on the XRP Ledger.
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Manage advertising campaigns by creating ad units, setting budgets, and tracking real-time performance metrics.
- Get Ad Guidelines: Get formatting guidelines for how to present sponsored ads naturally in agent responses
- Search Ads: Search for relevant ads matching a user intent/context. Returns ranked sponsored suggestions.
- Report Event: Report an ad event (impression, click, or conversion). Call this after showing a sponsored ad to the user.
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Pay-per-call HTTP and MCP utilities for autonomous AI agents, settled in USDC on Base via the x402 protocol.
- Meetings Search: Ask a question across every meeting you have imported as queryable, and get back ranked excerpts with the meeting they came from. This is the tool to use when the user refers to somet
- X402 Verify: Call this BEFORE authorising payment to any x402 endpoint you did not write yourself. It fetches the endpoint's live payment challenge and compares it against every observation previously
- Meetings Summarize: Ask a plain-language question and get a written answer grounded in the user's own meeting transcripts, with the meeting id cited after each claim. Prefer this over meetings_search
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Agentic Swarm Marketplace is a hierarchical multi-agent stack for machine-paid commerce (not trading).
- T54 List Operations: Returns operationIds, HTTP methods, paths, and query parameter names from the bundled OpenAPI spec (no network). Use before t54_x402_request or per-SKU tools.
- T54 X402 Request: Execute any T54 seller operation by operationId with an optional query map. Prefer per-operation t54_* tools when available for clearer arguments. On HTTP 402, x402_broker_client pay
- T54 Agent Commerce Data: Verifiable swarm proof + x402 commerce bundle (premium) HTTP GET `/x402/v1/agent-commerce-data` (`operationId` `agentCommerceData`). Paid routes may return HTTP 402 until the
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