Cortexcloud is answering right now. Last checked 14 min ago. It exposes 10 tools. Last commit 30 Aug 2026.
Pay-per-call QUBO/Ising optimization for AI agents via x402 (USDC on Base). No API keys.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 10 August 2026. No other catalogue keeps this.
We read the source, 14 h ago · tools taken from the live server · rules 3dff92dd89df
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
tb.innerHTML = d.txns.slice(0,6).map(t=>{
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.
claude mcp add cortexcloud --transport http https://api.cortexcloud.org/mcp
{
"mcpServers": {
"cortexcloud": {
"url": "https://api.cortexcloud.org/mcp"
}
}
}
[mcp_servers.cortexcloud]
url = "https://api.cortexcloud.org/mcp"
{
"mcpServers": {
"cortexcloud": {
"url": "https://api.cortexcloud.org/mcp"
}
}
}
{
"mcpServers": {
"cortexcloud": {
"url": "https://api.cortexcloud.org/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
cortex_ai_chat
cortex_automation_http_request
cortex_automation_transform
cortex_estimate_optimization
cortex_get_job
cortex_list_backends
cortex_optimize
cortex_research_search
cortex_token_price
cortex_wallet_balances
Tools this server used to expose. Anything built against them stopped working on the day they went.
base_balance
base_token_balance
chat_completions
coins_search
crypto_history
defi_protocols
defi_yields
dex_pairs
dex_search
embeddings
eth_balance
ethereum_rpc
fx_list
fx_price
image_generation
models
news
prices
responses
search_contents
text_to_speech
web_search
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://api.cortexcloud.org/mcp | streamable-http | answering | 981 ms | 14 min ago |
Pay-per-call crypto data for AI agents. USDC on Base via x402. No API key.
11 pay-per-call web tools for AI agents, auto-paid in USDC on Base via x402. No API keys.
DeFi data API for AI agents — pay-per-call via x402/USDC on Base
melis x402 Tools — 22 pay-per-call APIs for AI agents. No accounts, no API keys. USDC on Base.
Pay-per-call AI video generation over x402 (USDC on Base). No accounts, no API keys.
Pay-per-call web scraping for AI agents via x402 on Base USDC. Six tools, no signup.
JMT x402: 35 pay-per-call Base/USDC tools for agents, auto-paid via x402 v2. No API key.
AgisHub — 34 pay-per-call tools for AI agents over x402 (USDC on Base). No API key, no signup.
Answers built from our own checks of this server.