# x402-agent-store.rileycraig14.workers.dev — AI agents — 2 of 5

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> Probe-verified (tier 2 of 3). Last checked 2026-09-26. 2 of 5 capability checks passed. 2 unknown.

- host: x402-agent-store.rileycraig14.workers.dev
- url: https://x402-agent-store.rileycraig14.workers.dev/
- category: AI agents
- type: business
- language: en

## Probe-verified · tier 2 of 3

Probed live on 2026-09-26 against rubric v1.2. 2 of 5 checks passed. 2 unknown.

- UNKNOWN — Markdown negotiation (`Accept: text/markdown`)
- UNKNOWN — Markdown twin at a predictable URL (`/page.md`)
- FAIL — llms.txt (`/llms.txt`)
- PASS — API catalog (`RFC 9727`)
- PASS — MCP server card answers (`/.well-known/mcp/server-card.json → tools/list`)

MCP tools (from tools/list on 2026-09-26, served from store.agentexchange.work): store_catalog, store_samples, market_overview, market_list_tasks, market_post_task, market_bid, market_award, market_publish_receipt, agent_passport, sales_qualify_lead, brand_ai_visibility_check, ai_visibility_index, ai_visibility_signal, us_macro_regime, defi_vs_riskfree_spread, us_treasury_rates, defi_yields, crypto_prices, prediction_market_odds, crypto_ai_visibility, dex_token_data, whale_transfer_alerts, smart_money_wallet_activity, wallet_portfolio, chain_native_balance, chain_block_header, chain_event_logs, chain_fee_history, chain_token_identity, chain_confirmations, chain_l1_data_fee, chain_nft_owner, chain_batch_reads, chain_heartbeat, chain_gas_price, connect_token, pretrade_full_report, connect_company, eu_tender_intelligence, opportunity_intelligence, gov_contract_intelligence, chain_id, chain_estimate_gas, chain_storage_slot, chain_transaction_status, chain_transaction_explain, chain_token_supply, chain_ens_resolve, token_launches_feed, base_wave_radar, crosschain_attention_radar, token_security_check, ai_category_ranking, country_economic_indicators, github_trending, npm_downloads, hn_top_stories, web_search, tavily_search, wikipedia_lookup, truck_load_profit, truck_cost_per_mile, web_scrape, web_crawl, agent_enterprise_integration, social_sentiment_scanner, b2b_lead_enrichment, real_estate_property_valuation, crypto_market_metrics, markdown_web_scraper, weather_forecast, llm_chat_completions, llm_messages, api_generate, agentforce_proxy, vertex_proxy, bedrock_proxy, post_check, get_agents_lounge, post_directory_list, post_directory_index, post_notary, get_chain_erc20_balance, get_chain_code, get_chain_block_number, get_chain_allowance, get_chain_nonce, get_chain_call, get_crypto_address_risk, get_crypto_liquidations, post_api_v1_chat_completions, get_buy_credits

## Unverified actions

Read from the page's own content, with the wording each was drawn from. Inference is kept separate from tested facts; an agent completing the action is tier 3.

- **buy** — "" → `https://store.agentexchange.work/ask`

## Summary

Machine-payable AI data services including AI Answer Credits, AI Visibility Reports, and agent-readiness audits, payable in USDC on Base blockchain with no account or subscription required.

## Context

1528 sites in this index share the category "AI agents"; 262 are transactional.

## How we grade

- tier 1 — **Declared**: The site says agents are welcome in its robots.txt. A permission, not a capability.
- tier 2 — **Probe-verified** (this site): We fetched the site and tested each signal ourselves. Dated, repeatable, re-checked on a schedule.
- tier 3 — **Behaviourally verified**: An agent completed the action end to end — booked, bought, submitted — and it worked.

## About this record

Known Good probes sites live and publishes what was tested and when.
Method: https://knowngood.sh/about.md · Rubric: https://knowngood.sh/benchmark

How we found this site: probe discovery. This site didn't declare agent access — we found it by checking the open web. Everything above was tested the same way, against the same rubric, on the date shown. [How we choose what to check, and how to opt out](https://knowngood.sh/bot)

## Where this sits

- business: https://knowngood.sh/type/business
- AI agents: https://knowngood.sh/category/ai-agents
- financial services (also in): https://knowngood.sh/category/financial-services
- technology (also in): https://knowngood.sh/category/technology
- Browse: https://knowngood.sh/browse
- Rubric: https://knowngood.sh/benchmark