MCP server for AI agents: 19 tools (blockchain data, web scraping, ZK proofs, image generation) payable per call in USDC on Base via x402. Send JSON-RPC tools/call requests.
Last updated 3m ago
Overview Protocol x402
Facilitator —
Payment asset USD Coin
Network base
Category ai-media
Source payai-bazaar
Health Status Operational
Uptime (window) 100%
Success rate —
Confidence 20%
Quotes (14d) 10
Last checked 9/4/2026, 3:27:23 PM
Latest x402 transactions On-chain USDC settlements received on Base · 0x90b0dC893406d6eA63bb077ED59F5e8340f98d84
Amount Date Payer Facilitator Tx No transactions indexed yet.
Trust score is global for the provider. Latency, price and uptime are measured per endpoint (last 24h). Click a column to sort.
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▸ GET /tools/changelog_gitN/A
x402-gateway tool: changelog_git — Diff git commits and generate a structured breaking-change changelog. Provide repository_url, base_commit, and optional target_commit. $0.005 · 174 ms · Base ▸ GET /tools/changelog_openapiN/A
x402-gateway tool: changelog_openapi — Diff two OpenAPI specs and generate a structured breaking-change changelog (no LLM — deterministic diff). Provide base_spec_url and new_spec. $0.005 · 155 ms · Base ▸ GET /tools/mermaidN/A
x402-gateway tool: mermaid — Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only). $0.005 · 156 ms · Base ▸ GET /tools/verify_batchN/A
x402-gateway tool: verify_batch — Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration. $0.005 · 161 ms · Base ▸ GET /tools/verify_worldidN/A
x402-gateway tool: verify_worldid — Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature server-side, then proxies the full IDKit proof to developer.world.org. Returns { valid, nullifier, worldcoin_response }. $0.005 · 155 ms · Base ▸ GET /tools/cross_chain_balanceN/A
x402-gateway tool: cross_chain_balance — Aggregate native balance and token/NFT counts for an address across eth, arb, base, polygon, opt. $0.002 · 155 ms · Base ▸ GET /tools/token_priceN/A
x402-gateway tool: token_price — Get the live price of a token by symbol (e.g. ETH, USDC, MATIC). $0.002 · 164 ms · Base ▸ GET /tools/wallet_portfolioN/A
x402-gateway tool: wallet_portfolio — Get a complete wallet portfolio for an Ethereum address: native ETH balance, ERC-20 balances, NFT holdings, recent transfers. $0.002 · 157 ms · Base ▸ GET /tools/markdownN/A
x402-gateway tool: markdown — Fetch a URL and convert its main content to clean, LLM-ready Markdown (strips nav/ads/sidebars). Options: output_format (markdown|text|json), css_selector, max_length, include_links, include_images. $0.001 · 153 ms · Base ▸ POST /tools/giftcard/api/buyN/A
Buy a gift card code at the listed price. Price is returned in the payment challenge before you sign. $1 · — · Base ▸ POST /tools/llm_chatN/A
LLM Chat: Chat with a language model. OpenAI-compatible /v1/chat/completions interface. Supports 50+ models. Free models (auto, eco, premium) are $0 — paid models (gpt-5.2, claude-opus-5, deepseek-v4-pro, ...) are charged at cost. See /tools/llm_chat/models for the full model list and rates. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/llm_chat. $0.05 · — · Base ▸ GET /mcpN/A
MCP server for AI agents: 19 tools (blockchain data, web scraping, ZK proofs, image generation) payable per call in USDC on Base via x402. Send JSON-RPC tools/call requests. $0.005 · — · Base ▸ GET /tools/changelog_gitN/A
Pay-per-call MCP gateway: 12 tools (markdown, token_price, wallet_portfolio, whale_alerts, cross_chain_balance, changelog_openapi, changelog_git, mermaid, html_to_markdown, qr_generator, og_image_generator, jobs). Per-tool prices on Base via the Coinbase CDP x402 facilitator: markdown=$0.001, token_price=$0.0005, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005, mermaid=$0.005, html_to_markdown=$0.001, qr_generator=$0.001, o $0.005 · — · Base ▸ GET /tools/changelog_openapiN/A
Pay-per-call MCP gateway: 12 tools (markdown, token_price, wallet_portfolio, whale_alerts, cross_chain_balance, changelog_openapi, changelog_git, mermaid, html_to_markdown, qr_generator, og_image_generator, jobs). Per-tool prices on Base via the Coinbase CDP x402 facilitator: markdown=$0.001, token_price=$0.0005, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005, mermaid=$0.005, html_to_markdown=$0.001, qr_generator=$0.001, o $0.005 · — · Base ▸ POST /tools/mermaidN/A
x402-gateway tool: mermaid — Render a Mermaid diagram to an image (PNG or SVG). Returns a base64-encoded image (MCP content type image). Options: format (png|svg), theme (default|dark|forest|neutral), scale (1-4, PNG only). $0.005 · — · Base ▸ POST /tools/verify_batchN/A
x402-gateway tool: verify_batch — Batch verify up to 10 Semaphore proofs in a single request. Returns per-proof results with total count and average duration. $0.005 · — · Base ▸ POST /tools/verify_worldidN/A
x402-gateway tool: verify_worldid — Verify a World ID 4.0 proof via the Worldcoin Developer Portal API. Generates an RP signature server-side, then proxies the full IDKit proof to developer.world.org. Returns { valid, nullifier, worldcoin_response }. $0.005 · — · Base ▸ GET /tools/cross_chain_balanceN/A
Pay-per-call MCP gateway: 12 tools (markdown, token_price, wallet_portfolio, whale_alerts, cross_chain_balance, changelog_openapi, changelog_git, mermaid, html_to_markdown, qr_generator, og_image_generator, jobs). Per-tool prices on Base via the Coinbase CDP x402 facilitator: markdown=$0.001, token_price=$0.0005, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005, mermaid=$0.005, html_to_markdown=$0.001, qr_generator=$0.001, o $0.002 · — · Base ▸ GET /tools/jobsN/A
x402-gateway tool: jobs — Search live job postings by keywords and locations. Returns structured results: title, company, location, apply URL, work types, employment type, seniority, industry, salary, and description. Supports onsite/remote/hybrid preferences. One call covers the whole market for a keyword + location pair. $0.002 · — · Base ▸ POST /tools/jobsN/A
Job Search: Search live job postings by keywords and locations. Returns structured results: title, company, location, apply URL, work types, employment type, seniority, industry, salary, and description. Supports onsite/remote/hybrid preferences. One call covers the whole market for a keyword + location pair. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/jobs. $0.002 · — · Base ▸ GET /tools/llm_chatN/A
LLM Chat: Chat with a language model. OpenAI-compatible /v1/chat/completions interface. Supports 50+ models. Free models (auto, eco, premium) are $0 — paid models (gpt-5.2, claude-opus-5, deepseek-v4-pro, ...) are charged at cost. See /tools for full price table. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/llm_chat. $0.002 · — · Base ▸ POST /tools/token_priceN/A
x402-gateway tool: token_price — Get the live price of a token by symbol (e.g. ETH, USDC, MATIC). $0.002 · — · Base ▸ GET /tools/wallet_portfolioN/A
Pay-per-call MCP gateway: 12 tools (markdown, token_price, wallet_portfolio, whale_alerts, cross_chain_balance, changelog_openapi, changelog_git, mermaid, html_to_markdown, qr_generator, og_image_generator, jobs). Per-tool prices on Base via the Coinbase CDP x402 facilitator: markdown=$0.001, token_price=$0.0005, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005, mermaid=$0.005, html_to_markdown=$0.001, qr_generator=$0.001, o $0.002 · — · Base ▸ GET /tools/whale_alertsN/A
x402-gateway tool: whale_alerts — Scan recent blocks for large ETH transfers involving an address. Filter by direction (in/out/both) and threshold. $0.002 · — · Base ▸ GET /tools/whale_alertsN/A
Pay-per-call MCP gateway: 12 tools (markdown, token_price, wallet_portfolio, whale_alerts, cross_chain_balance, changelog_openapi, changelog_git, mermaid, html_to_markdown, qr_generator, og_image_generator, jobs). Per-tool prices on Base via the Coinbase CDP x402 facilitator: markdown=$0.001, token_price=$0.0005, wallet_portfolio=$0.002, whale_alerts=$0.002, cross_chain_balance=$0.002, changelog_openapi=$0.005, changelog_git=$0.005, mermaid=$0.005, html_to_markdown=$0.001, qr_generator=$0.001, o $0.002 · — · Base 25 50 100
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