keryx
Rank #55,189io.github.tang-vu/keryx
Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.
keryx is a Model Context Protocol (MCP) server published by tang-vu. It ranks #55,189 of 137,138 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. keryx is listed across 3 registries — Official MCP, PulseMCP and Glama, with 2 tracked versions. It was first listed on Jun 17, 2026 and most recently updated on Jul 27, 2026.
Ranks ahead of 81,949 of 137,138 servers on MCP Toplist.
Use keryx
No credentials or required configuration declared — add it to your MCP client and go.
claude mcp add --transport http keryx https://keryx.cc/mcpclaude mcp add keryx -- npx -y keryx-mcp[mcp_servers.keryx]
url = "https://keryx.cc/mcp"Add to ~/.codex/config.toml.
[mcp_servers.keryx]
command = "npx"
args = ["-y", "keryx-mcp"]Add to ~/.codex/config.toml.
https://keryx.cc/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"keryx": {
"command": "npx",
"args": [
"-y",
"keryx-mcp"
]
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config).
{
"mcpServers": {
"keryx": {
"url": "https://keryx.cc/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"mcpServers": {
"keryx": {
"command": "npx",
"args": [
"-y",
"keryx-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"keryx": {
"type": "http",
"url": "https://keryx.cc/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"servers": {
"keryx": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"keryx-mcp"
]
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"keryx": {
"serverUrl": "https://keryx.cc/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"keryx": {
"command": "npx",
"args": [
"-y",
"keryx-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"keryx": {
"url": "https://keryx.cc/mcp"
}
}
}{
"mcpServers": {
"keryx": {
"command": "npx",
"args": [
"-y",
"keryx-mcp"
]
}
}
}Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.tang-vu%2Fkeryx)<a href="https://mcptoplist.com/server/io.github.tang-vu%2Fkeryx"><img src="https://mcptoplist.com/badge/io.github.tang-vu%2Fkeryx.svg" alt="MCP Toplist: Top 50% of 137,138" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 3 registries
tang-vu
Available versions (2)
| Version | Published |
|---|---|
| 0.2.0 | Jul 27, 2026 |
| 0.1.1 | Jul 1, 2026 |
Frequently asked questions
- Who maintains keryx?
- keryx is maintained by tang-vu, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
- Is keryx listed on the Official MCP Registry?
- Yes — keryx is listed on the Official MCP Registry, alongside PulseMCP and Glama.
- How many versions does keryx have?
- MCP Toplist tracks 2 versions of keryx, most recently published on Jul 27, 2026.
- Where can I find the source code for keryx?
- The source code for keryx is hosted at github.com/tang-vu/keryx/tree/HEAD/mcp.
Do you run this server?
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