diff --git a/data/ecosystems/k/klaytn.toml b/data/ecosystems/k/klaytn.toml
new file mode 100644
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+++ b/data/ecosystems/k/klaytn.toml
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+# Ecosystem Level Information
+title = "Klaytn"
+
+sub_ecosystems = []
+
+github_organizations = ["https://github.com/klaytn"]
+
+# Repositories
+[[repo]]
+url = "https://github.com/klaytn/caver-java"
+
+[[repo]]
+url = "https://github.com/klaytn/caver-js"
+
+[[repo]]
+url = "https://github.com/klaytn/countbapp"
+
+[[repo]]
+url = "https://github.com/klaytn/enterprise_proxy"
+
+[[repo]]
+url = "https://github.com/klaytn/enterprise_proxy_lite"
+
+[[repo]]
+url = "https://github.com/klaytn/homebrew-klaytn"
+
+[[repo]]
+url = "https://github.com/klaytn/kips"
+
+[[repo]]
+url = "https://github.com/klaytn/klaystagram"
+
+[[repo]]
+url = "https://github.com/klaytn/klaytn"
+
+[[repo]]
+url = "https://github.com/klaytn/klaytn-integration-tests"
+
+[[repo]]
+url = "https://github.com/klaytn/klaytn-tests"
+
+[[repo]]
+url = "https://github.com/klaytn/klaytnwallet"
+
+[[repo]]
+url = "https://github.com/klaytn/xgo"