mcp changelog

description

Paid x402 tools for agents: mcp-liveness-probe, DMARC audit, Base USDC reads. → x402 pre-pay check with on-chain payer proof; MCP liveness; seller reports from chain settlements

version

1.3.202611081749 → 1.9.0

https://store.agentexchange.work/llms.txt

− ## Full price list — 85 paid endpoints, $0.001 to $19.00 per call− ## Gateway routes (/gw): 65 paid routes on this origin, x402 USDC on Base, settled by the Coinbase CDP facilitator− ### bazaar (bazaar.agentexchange.work, 5 routes)− ### media (media.agentexchange.work, 14 routes)− - POST https://store.agentexchange.work/gw/media/image $0.02: Text to image (FLUX schnell)− - POST https://store.agentexchange.work/gw/media/caption $0.005: Image caption (LLaVA 1.5)− - POST https://store.agentexchange.work/gw/media/speech $0.01: Text to speech (MeloTTS)− - POST https://store.agentexchange.work/gw/media/transcribe $0.01: Speech to text (Whisper v3)− - POST https://store.agentexchange.work/gw/media/translate $0.002: Translate (M2M100 1.2B)− - POST https://store.agentexchange.work/gw/media/summarize $0.002: Summarize (Llama 3.1 8B)− - POST https://store.agentexchange.work/gw/media/embed $0.001: Embeddings (BGE-M3)− - POST https://store.agentexchange.work/gw/media/chat $0.005: Chat completions (Llama 3.1)− - POST https://store.agentexchange.work/gw/media/classify $0.001: Classify text (DistilBERT)− - POST https://store.agentexchange.work/gw/media/ocr $0.005: Read text in image (LLaVA)− - POST https://store.agentexchange.work/gw/media/detect-language $0.001: Detect language (heuristic)− - POST https://store.agentexchange.work/gw/media/batch $1: Batch 100 cheap ops− - POST https://store.agentexchange.work/gw/media/image-set $5: 20 images, FLUX schnell− - POST https://store.agentexchange.work/gw/media/chat $0.02: Chat completions (Llama 70B)− ### earth (earth.agentexchange.work, 4 routes)− - GET https://store.agentexchange.work/gw/earth/snapshot $0.01: earth.agentexchange.work/snapshot− - GET https://store.agentexchange.work/gw/earth/snapshot.json $0.005: earth.agentexchange.work/snapshot.json− - GET https://store.agentexchange.work/gw/earth/geocode $0.002: earth.agentexchange.work/geocode− - GET https://store.agentexchange.work/gw/earth/reverse $0.002: earth.agentexchange.work/reverse− ### fx (fx.agentexchange.work, 3 routes)− - GET https://store.agentexchange.work/gw/fx/rates $0.002: fx.agentexchange.work/rates− - GET https://store.agentexchange.work/gw/fx/convert $0.002: fx.agentexchange.work/convert− - GET https://store.agentexchange.work/gw/fx/history $0.002: fx.agentexchange.work/history− ### signals (signals.agentexchange.work, 4 routes)− - GET https://store.agentexchange.work/gw/signals/quakes $0.002: signals.agentexchange.work/quakes− - GET https://store.agentexchange.work/gw/signals/alerts $0.002: signals.agentexchange.work/alerts− - GET https://store.agentexchange.work/gw/signals/federal-register $0.002: signals.agentexchange.work/federal-register− - GET https://store.agentexchange.work/gw/signals/hn $0.002: signals.agentexchange.work/hn− ### perps (perps.agentexchange.work, 3 routes)− - GET https://store.agentexchange.work/gw/perps/market $0.002: perps.agentexchange.work/market− - GET https://store.agentexchange.work/gw/perps/funding $0.002: perps.agentexchange.work/funding− - GET https://store.agentexchange.work/gw/perps/mids $0.002: perps.agentexchange.work/mids− ### verify (verify.agentexchange.work, 3 routes)− - GET https://store.agentexchange.work/gw/verify/domain $0.002: verify.agentexchange.work/domain− - GET https://store.agentexchange.work/gw/verify/email $0.002: verify.agentexchange.work/email− - GET https://store.agentexchange.work/gw/verify/dns $0.002: verify.agentexchange.work/dns+ ## Full price list — 87 paid endpoints, $0.001 to $19.00 per call+ - $0.050 — GET https://store.agentexchange.work/verify — Is this x402 seller live RIGHT NOW? The Agent Exchange Brain verifies the agent web continuously (an unpaid call that answers with payment terms = ali+ - $0.250 — GET https://store.agentexchange.work/recommend — Which brands do ChatGPT, Perplexity, Gemini and Claude actually recommend in a category? The Agent Exchange engine asks every model the real buyer que+ - DeskCrew — https://deskcrew.io — Agent-native helpdesk for humans and AI agents. x402 tools: NFT pumps board, flip board, floor price, token price, wallet trader card, ticket triage, draft reply, support reply drafting. Pay per call in USDC on Base.+ - Semilla x402 seller check — https://agentsmap.io/semilla/x402/seller — Check an x402 seller before paying: live 402, price, network and payTo, from the AgentsMap index. USDC on Base. 0.02 USDC per call.+ - Online Web Directory — https://onlinewebdirectory.net/ — Check how any website treats AI agents: bot walls, JavaScript requirements, robots rules, llms.txt, and fetch strategy for 30,000+ sites. Pay per call in USDC via x402.+ - Foundations Elements — https://foundations.tensegrity.works/mcp/search?src=agentexchange — UI encyclopedia for agents. Search 0.02 USDC on Base via x402.+ ## Gateway routes (/gw): 7 paid routes on this origin, x402 USDC on Base, settled by the Coinbase CDP facilitator+ ### bazaar (bazaar.agentexchange.work, 7 routes)+ - GET https://store.agentexchange.work/gw/bazaar/site/%7Bdomain%7D.json $0.01: AI readiness of one website (measured)+ - GET https://store.agentexchange.work/gw/bazaar/dataset.json $500: The x402 Economy Census dataset (full dump)+ ## The Brain's latest published research (free, updated continuously: /research)+ - What are the most secure payment processing systems for online services in 2026? — https://store.agentexchange.work/research+ - What payment methods do agents and businesses prefer for online services in 2026? — https://store.agentexchange.work/research+ - What are the current market trends for AI consulting engagement pricing, and what factors influence these costs? — https://store.agentexchange.work/research+ - What are the specific price ranges for key AI services like AI consulting engagements, AI Operating Systems, and Generat — https://store.agentexchange.work/research+ - what do businesses buy from AI services in 2026 and at what prices — https://store.agentexchange.work/research+ - How do businesses weigh the various differentiators and factors against each other when selecting an AI vendor? — https://store.agentexchange.work/research+ - How do businesses differentiate between various AI service providers and what specific factors influence their vendor se — https://store.agentexchange.work/research+ - what do businesses buy from AI services in 2026 and at what prices — https://store.agentexchange.work/research+ - What are the specific price ranges for different tiers of AI services (like internal tools, infrastructure, governance,  — https://store.agentexchange.work/research+ - what do businesses buy from AI services in 2026 and at what prices — https://store.agentexchange.work/research

Showing the first 40 of each.

https://store.agentexchange.work/llms.txt

− - $0.020 — GET https://store.agentexchange.work/chain/gas — Live network gas prices (slow / average / fast, in gwei) for any chain — the pre-transaction read every trading, sniping, and settlement agent makes b− - $0.027 — GET https://store.agentexchange.work/connect/company — Enrich any company by its domain in one call — RDAP registration age + registrar, DNS (does it run email, what website/host), and a Wikipedia company− - $0.090 — GET https://store.agentexchange.work/chain/estimate-gas — Estimate the gas a transaction will use via eth_estimateGas — the pre-send read every tx-building, trading and settlement agent makes to size gas and− - $0.090 — GET https://store.agentexchange.work/chain/storage — Read any raw contract storage slot via eth_getStorageAt — the low-level read auditing, proxy-resolution and advanced trading agents make to inspect co− - $0.090 — GET https://store.agentexchange.work/chain/tx-explain — Decode any transaction by hash into plain English: what happened (swap/transfer/approval/mint/call), the actors, and the full asset changes (every nat− - $0.090 — GET https://store.agentexchange.work/chain/code — Is an address a smart contract or a regular wallet (EOA)? Returns whether deployed bytecode exists and its size via eth_getCode, across Base, Ethereum− - $0.090 — GET https://store.agentexchange.work/chain/allowance — How much of an ERC-20 token a spender is approved to move from an owner's wallet, via allowance, across Base, Ethereum, Optimism, Arbitrum, Polygon, G− - $0.090 — GET https://store.agentexchange.work/chain/block — The full header of any block — timestamp and age, transaction count, gas used vs limit with a utilization ratio and a congested flag, base fee in gwei− - $0.090 — GET https://store.agentexchange.work/chain/logs — Query raw event logs by contract address and/or indexed topics over a block range via eth_getLogs — the indexing primitive, across Base, Ethereum, Opt− - $0.090 — GET https://store.agentexchange.work/chain/fee-history — Base-fee trend over the last N blocks plus priority-fee percentiles (10th/50th/90th) via eth_feeHistory, and a recommended maxFeePerGas / maxPriorityF− - $0.090 — GET https://store.agentexchange.work/chain/token — Name, symbol, decimals and total supply for any ERC-20, read straight off the contract with four parallel eth_calls plus an eth_getCode existence chec− - $0.090 — GET https://store.agentexchange.work/chain/confirmations — The settlement question answered directly: did this transaction land, how deep is it buried, and is it safe to treat as FINAL on this specific chain.− - $0.090 — GET https://store.agentexchange.work/chain/l1-fee — The L1 data-availability fee an OP-stack transaction pays on TOP of its L2 execution gas — usually the larger half of the bill, and the half that ever− - $0.090 — GET https://store.agentexchange.work/chain/nft — Who owns a specific NFT right now, and where its metadata lives: ownerOf, tokenURI, and the collection's name and symbol in one call, across Base, Eth− - $0.090 — GET https://store.agentexchange.work/chain/batch — Up to TEN on-chain reads in a single paid call, executed in parallel: native balance, nonce, contract-code check, ERC-20 balance, block number and gas− - $0.090 — GET https://store.agentexchange.work/chain/heartbeat — One call replaces the multi-request health sequence autonomous agents repeat before acting: EIP-155 chain ID, latest block height/header and age, gas− - $0.090 — GET https://store.agentexchange.work/chain/call — Simulate any read-only Ethereum contract call via eth_call — pass a contract address and encoded calldata, get the raw return value, across Base, Ethe− - $0.090 — GET https://store.agentexchange.work/truck/cpm — Computes a trucking operation's true cost per mile from annual miles and cost inputs (truck payment, insurance, fuel, maintenance, tires, permits).− - $0.090 — GET https://store.agentexchange.work/sales/qualify — Sales lead qualification API for agencies selling SEO/GEO/AI-search services: runs a live AI SEO audit on a prospect and returns a lead tier (HOT/WARM− - $0.090 — GET https://store.agentexchange.work/macro/risk-spread — Credit-analyst primitive for agents: compares live top stablecoin DeFi yields (DefiLlama) against the official US Treasury Bill rate (US Treasury Fisc− - $0.090 — GET https://store.agentexchange.work/gov/treasury — Latest official US Treasury average interest rates by security type (Bills, Notes, Bonds, TIPS, FRN) plus total public debt outstanding, sourced live− - $0.090 — GET https://store.agentexchange.work/web/scrape — Fetch any page and get structured fields back: title, description, headings, links, and clean readable text for RAG and agent research.− - $0.090 — GET https://store.agentexchange.work/web/crawl — Crawl internal links of a domain, discover site structure, and scan for target keywords or signals.− - $0.090 — GET https://store.agentexchange.work/web/markdown-scraper — Send a URL, get back clean agent-ready Markdown for RAG, autonomous research, and LLM context — ads, nav, and popups stripped so the output is ~4x sma+ - $0.002 — GET https://store.agentexchange.work/chain/gas — Live network gas prices (slow / average / fast, in gwei) for any chain — the pre-transaction read every trading, sniping, and settlement agent makes b+ - $0.005 — GET https://store.agentexchange.work/chain/estimate-gas — Estimate the gas a transaction will use via eth_estimateGas — the pre-send read every tx-building, trading and settlement agent makes to size gas and+ - $0.005 — GET https://store.agentexchange.work/chain/storage — Read any raw contract storage slot via eth_getStorageAt — the low-level read auditing, proxy-resolution and advanced trading agents make to inspect co+ - $0.005 — GET https://store.agentexchange.work/chain/tx-explain — Decode any transaction by hash into plain English: what happened (swap/transfer/approval/mint/call), the actors, and the full asset changes (every nat+ - $0.005 — GET https://store.agentexchange.work/chain/code — Is an address a smart contract or a regular wallet (EOA)? Returns whether deployed bytecode exists and its size via eth_getCode, across Base, Ethereum+ - $0.005 — GET https://store.agentexchange.work/chain/allowance — How much of an ERC-20 token a spender is approved to move from an owner's wallet, via allowance, across Base, Ethereum, Optimism, Arbitrum, Polygon, G+ - $0.005 — GET https://store.agentexchange.work/chain/block — The full header of any block — timestamp and age, transaction count, gas used vs limit with a utilization ratio and a congested flag, base fee in gwei+ - $0.005 — GET https://store.agentexchange.work/chain/logs — Query raw event logs by contract address and/or indexed topics over a block range via eth_getLogs — the indexing primitive, across Base, Ethereum, Opt+ - $0.005 — GET https://store.agentexchange.work/chain/fee-history — Base-fee trend over the last N blocks plus priority-fee percentiles (10th/50th/90th) via eth_feeHistory, and a recommended maxFeePerGas / maxPriorityF+ - $0.005 — GET https://store.agentexchange.work/chain/token — Name, symbol, decimals and total supply for any ERC-20, read straight off the contract with four parallel eth_calls plus an eth_getCode existence chec+ - $0.005 — GET https://store.agentexchange.work/chain/confirmations — The settlement question answered directly: did this transaction land, how deep is it buried, and is it safe to treat as FINAL on this specific chain.+ - $0.005 — GET https://store.agentexchange.work/chain/l1-fee — The L1 data-availability fee an OP-stack transaction pays on TOP of its L2 execution gas — usually the larger half of the bill, and the half that ever+ - $0.005 — GET https://store.agentexchange.work/chain/nft — Who owns a specific NFT right now, and where its metadata lives: ownerOf, tokenURI, and the collection's name and symbol in one call, across Base, Eth+ - $0.005 — GET https://store.agentexchange.work/chain/batch — Up to TEN on-chain reads in a single paid call, executed in parallel: native balance, nonce, contract-code check, ERC-20 balance, block number and gas+ - $0.005 — GET https://store.agentexchange.work/chain/heartbeat — One call replaces the multi-request health sequence autonomous agents repeat before acting: EIP-155 chain ID, latest block height/header and age, gas+ - $0.005 — GET https://store.agentexchange.work/chain/call — Simulate any read-only Ethereum contract call via eth_call — pass a contract address and encoded calldata, get the raw return value, across Base, Ethe+ - $0.005 — GET https://store.agentexchange.work/web/scrape — Fetch any page and get structured fields back: title, description, headings, links, and clean readable text for RAG and agent research.+ - $0.005 — GET https://store.agentexchange.work/web/crawl — Crawl internal links of a domain, discover site structure, and scan for target keywords or signals.+ - $0.005 — GET https://store.agentexchange.work/web/markdown-scraper — Send a URL, get back clean agent-ready Markdown for RAG, autonomous research, and LLM context — ads, nav, and popups stripped so the output is ~4x sma+ - $0.010 — GET https://store.agentexchange.work/connect/company — Enrich any company by its domain in one call — RDAP registration age + registrar, DNS (does it run email, what website/host), and a Wikipedia company+ - $0.010 — GET https://store.agentexchange.work/truck/cpm — Computes a trucking operation's true cost per mile from annual miles and cost inputs (truck payment, insurance, fuel, maintenance, tires, permits).+ - $0.010 — GET https://store.agentexchange.work/sales/qualify — Sales lead qualification API for agencies selling SEO/GEO/AI-search services: runs a live AI SEO audit on a prospect and returns a lead tier (HOT/WARM+ - $0.010 — GET https://store.agentexchange.work/macro/risk-spread — Credit-analyst primitive for agents: compares live top stablecoin DeFi yields (DefiLlama) against the official US Treasury Bill rate (US Treasury Fisc+ - $0.010 — GET https://store.agentexchange.work/gov/treasury — Latest official US Treasury average interest rates by security type (Bills, Notes, Bonds, TIPS, FRN) plus total public debt outstanding, sourced live+ ## Listed endpoints (paid directory, $1 USDC for 30 days: POST /directory/list)+ - GrokBot — https://grokbot-dashboard.a3migos.workers.dev/ — Three $0.01 x402 routes, USDC on Base: /api/research (Base wallet research), /api/base/token-check (Base token risk check), /api/signals (crypto + stock play-money strategy signals).+ - agent-exec — https://agent-exec.448c.org/?via=191 — Accountless pay-per-call sandbox, storage, x402 pay, dns, inbox, directory for agents+ ## Pages for people (public data, schema.org; the paid API beneath each)+ - SEC filings by company: https://filings.agentexchange.work/c/AAPL (https://filings.agentexchange.work/c/<TICKER>; sitemap https://filings.agentexchange.work/sitemap.xml)+ - Exchange rates today (ECB reference rates): https://fx.agentexchange.work/usd-eur (https://fx.agentexchange.work/<base>-<quote>; sitemap https://fx.agentexchange.work/sitemap.xml)+ - Scholarly papers (abstract, citations, PDF) and newest arXiv by category: https://papers.agentexchange.work/p/2203.11171 (https://papers.agentexchange.work/p/<arXiv id or DOI>; /new/<category>; sitemap https://papers.agentexchange.work/sitemap.xml)+ - Earthquakes today and US weather alerts by state (USGS, NWS): https://signals.agentexchange.work/earthquakes (https://signals.agentexchange.work/earthquakes; /earthquakes/week; /alerts/<state>; sitemap https://signals.agentexchange.work/sitemap.xml)+ - Perpetual futures now (Hyperliquid): price, funding, open interest per market: https://perps.agentexchange.work/BTC (https://perps.agentexchange.work/<COIN>; /markets; sitemap https://perps.agentexchange.work/sitemap.xml)+ - Who owns an IP address (announcing AS, prefix, abuse contact, registry block) and AS overviews: https://ip.agentexchange.work/ip/1.1.1.1 (https://ip.agentexchange.work/ip/<address>; /as/<number>; /networks; sitemap https://ip.agentexchange.work/sitemap.xml)+ - Every US county: yesterday's satellite view, weather alerts in force, earthquakes nearby: https://earth.agentexchange.work/county/06037 (https://earth.agentexchange.work/county/<FIPS>; /counties; sitemap https://earth.agentexchange.work/sitemap.xml)+ - AI model API pricing per million tokens: https://models.agentexchange.work/m/openai/gpt-4o-mini (https://models.agentexchange.work/m/<provider>/<model>; /providers; sitemap https://models.agentexchange.work/sitemap.xml)+ - Index: https://store.agentexchange.work/pages.json+ ## Gateway routes (/gw): 65 paid routes on this origin, x402 USDC on Base, settled by the Coinbase CDP facilitator+ Unpaid call answers 402 with the terms; pay and resend with X-PAYMENT. Index: https://store.agentexchange.work/gw.json+ ### bazaar (bazaar.agentexchange.work, 5 routes)

Showing the first 40 of each.