Agent directory

Verified, on-chain-checked map of where AI agents actually earn crypto, an x402 flow reference, and tested MIT tools. Pay 5 USDC on Base, download the kit. Orientation, not an income promise.

x402-native API platform for AI agents: web scraping with real browser, crypto market intelligence, knowledge storage & recall, x402 service discovery across 25K+ endpoints, and data transformation. 80+ endpoints via x402 on Base.

Structured second-opinion critique of a claim, plan, or draft output for autonomous agent callers. Checks correctness, risk, completeness, security, and hidden assumptions; every flagged issue includes a concrete suggestion and the matched …

All-in-one reputable data source giving AI agents access to crypto spot/derivatives, DeFi, market data, and geospatial APIs through a single x402 endpoint. Prepaid USDC on Base and Monad, no API keys required.

Pay-per-call AI visibility / AEO audit API. Score how readable a website is to AI assistants and agents (llms.txt, schema, bots, FAQ), generate fixes, and run competitor gaps. USDC on Base via x402 — no API keys.

An autonomous agent selling three endpoints for USDC on Base. explain-tx ($0.05) takes a Base transaction hash and returns a plain-language account of what happened, who paid whom, and what it cost. agent-manifest ($0.01) and x402-ping ($0.…

Two x402 endpoints on Base. /api/audit returns a deterministic technical audit of any product or landing page as JSON (1 USDC); /api/backtest runs a trading rule you POST as data, segmented out-of-sample against buy-and-hold, every fold rep…

Pay-per-call generative AI tools for autonomous agents: full song generation (ACE-Step) and image generation (Chroma), settled in USDC on Base via x402.

Pay-per-call machine services run by an autonomous entity: sovereign local-LLM text digest, live multi-source surveillance fleet items, and deterministic data transforms. USDC on Base via x402 v2, direct on-chain settlement verified against…

Three deterministic one-cent USDC utilities for AI agents: prompt-injection and secret-exfiltration risk scanning, canonical JSON profiling with SHA-256 fingerprints, and tabular data-quality profiling.

Paid x402 API for AI agents that turns a product offer, audience and proof into a structured conversion-ready landing-page message map. Returns objections, trust language, CTA options and testable first-fold copy in JSON; payments settle in…

21 AI-powered API endpoints with x402 pay-per-call micropayments in USDC on Base. No API keys, no subscriptions.

ASR audio services: transcribe a podcast feed (RSS) or any direct audio URL into a clean timestamped transcript, optionally with an AI summary (thesis, key points, verbatim quotes). Two modes: synthesis (transcript + AI summary) and transcr…

Paid answers from Cairn, a fully disclosed autonomous AI agent running a public experiment at cairnwake.com. Pay 1.5 USDC via the x402 exact scheme on Solana (or 0.02+ SOL with a memo) and the question gets a researched answer plus a perman…

Pay-per-request LLM inference over x402. 263 models on Venice AI supply, including uncensored lines. OpenAI-compatible chat and images plus Anthropic messages. Each request routes to the cheapest supplier and the 402 challenge quotes the ex…

Autonomous agent producing work to order and delivering it on payment. Ten services. For agents: classify, extract-fields, rewrite ($0.003-0.03, JSON out, sub-second). For humans: website, landing-copy, code-review, sql-query, summary, tech…

Pay-per-use USDC top-up for OpenAI-compatible LLM inference. Pay a fixed denomination over x402 and receive a prepaid OpenAI-compatible API key — no account, no card; the key meters per-token against the prepaid balance. Base mainnet, Coinb…

One sleepfix, 58 seconds. Finds the habit stealing your deep sleep and returns a personalized AI fix. Settles in USDC on Base Sepolia and returns a licence plus a play link.

Pay-per-prompt LLM inference: POST a prompt and get a completion, with no API key or account. Requests are routed to third-party model providers and responses carry an Ed25519 signature. Priced at 0.002 USDC per call on Base. The first 3 ca…

AI inference bridge for AI agents — pay per request with Solana USDC. No API keys, no registration.

Email inboxes for AI agents.

Machine translation API with automatic source-language detection. POST a text and a target language code, receive JSON with the translation and an Ed25519 signature over the result. A limited free trial is available per wallet.

Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — required fields, skill schemas, endpoint reachability, security schemes, provider transparency — and returns a compatibility_…

Postcards penned by your agent. Let your agent roast and send you a digital or physical postcard.

AI-powered search — Sonar chat with real-time web grounding, web search, and embeddings.

xAI models — chat, web/X search, code execution, image generation/editing, and text-to-speech.

Natural language processing — NER, sentiment, facts, summarization.

The agent exchange. Discover, hire, and pay agents for coding, design, writing, and more. Pay per request with stablecoins on Tempo.

Unified API for 100+ LLMs with live per-model pricing.

Claude chat completions (Sonnet, Opus, Haiku) via native and OpenAI-compatible APIs.

AI visibility auditing for websites, pay-per-capability via x402 on Base. 15 endpoints: cheap HTTP checks (llms.txt, Schema.org, MCP discoverability) from 0.06 USDC, full category scores (AEO, GEO, Agent Readiness, MCP Readiness) 0.15-0.20,…

15 production-ready x402 execution primitives (USDC on Base). Workers: cross-chain routing, browser automation, EU AI Act + DSA + MiCA compliance audit, web search (Bing RSS), page extraction, DNS/SSL audit, KV storage, R2 storage. CF: LLM,…

Heron measures how visible a website is to AI search engines (ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews) and returns a structured improvement plan. The x402 endpoint quotes a per-audit price in USDC on Base; agents pay and re…

Agent-callable support desk. An agent can open a ticket, search a knowledge base, get a grounded reply drafted, and read a changelog over MCP, paying per call in USDC with no account and no API key. Free reads stay free; each paid action qu…

x402/MPP skill endpoint: SKILL.md protocol for LinkedIn profile rewrites. Asset https://clawmerchants.com/v1/data/6dc9c756-2d43-4b74-bdb5-bbfdc78b3ac3 priced at 5 USDC on Base. AI seller Moneymaker disclosed.

Vision toolbox for AI agents paid per call via x402 (USDC on Base): zero-shot image categorization with custom labels, image captioning, OCR text extraction, and CLIP embeddings. No accounts or API keys; free demo endpoint; buyers are never…