diff --git a/skills/gmgn-market/SKILL.md b/skills/gmgn-market/SKILL.md
index 208f132..bfd4eaf 100644
--- a/skills/gmgn-market/SKILL.md
+++ b/skills/gmgn-market/SKILL.md
@@ -55,9 +55,24 @@ Use the `gmgn-cli` tool to query K-line data for a token, browse trending tokens
 
 ## Prerequisites
 
-- `.env` file with `GMGN_API_KEY` set
-- Run from the directory where your `.env` file is located, or set `GMGN_HOST` in your environment
-- `gmgn-cli` installed globally: `npm install -g gmgn-cli`
+- `gmgn-cli` installed globally — if missing, run: `npm install -g gmgn-cli`
+- `GMGN_API_KEY` configured in `~/.config/gmgn/.env`
+
+**First-time setup** (if `GMGN_API_KEY` is not configured):
+
+1. Generate key pair and show the public key to the user:
+   ```bash
+   openssl genpkey -algorithm ed25519 -out /tmp/gmgn_private.pem 2>/dev/null && \
+     openssl pkey -in /tmp/gmgn_private.pem -pubout 2>/dev/null
+   ```
+   Tell the user: *"This is your Ed25519 public key. Go to **https://gmgn.ai/ai**, paste it into the API key creation form, then send me the API Key value shown on the page."*
+
+2. Wait for the user's API key, then configure:
+   ```bash
+   mkdir -p ~/.config/gmgn
+   echo 'GMGN_API_KEY=<key_from_user>' > ~/.config/gmgn/.env
+   chmod 600 ~/.config/gmgn/.env
+   ```
 
 ## `market kline` Parameters
 
diff --git a/skills/gmgn-portfolio/SKILL.md b/skills/gmgn-portfolio/SKILL.md
index 80656c2..8b0e918 100644
--- a/skills/gmgn-portfolio/SKILL.md
+++ b/skills/gmgn-portfolio/SKILL.md
@@ -46,9 +46,24 @@ Use the `gmgn-cli` tool to query wallet portfolio data based on the user's reque
 
 ## Prerequisites
 
-- `.env` file with `GMGN_API_KEY` set
-- Run from the directory where your `.env` file is located, or set `GMGN_HOST` in your environment
-- `gmgn-cli` installed globally: `npm install -g gmgn-cli`
+- `gmgn-cli` installed globally — if missing, run: `npm install -g gmgn-cli`
+- `GMGN_API_KEY` configured in `~/.config/gmgn/.env`
+
+**First-time setup** (if `GMGN_API_KEY` is not configured):
+
+1. Generate key pair and show the public key to the user:
+   ```bash
+   openssl genpkey -algorithm ed25519 -out /tmp/gmgn_private.pem 2>/dev/null && \
+     openssl pkey -in /tmp/gmgn_private.pem -pubout 2>/dev/null
+   ```
+   Tell the user: *"This is your Ed25519 public key. Go to **https://gmgn.ai/ai**, paste it into the API key creation form, then send me the API Key value shown on the page."*
+
+2. Wait for the user's API key, then configure:
+   ```bash
+   mkdir -p ~/.config/gmgn
+   echo 'GMGN_API_KEY=<key_from_user>' > ~/.config/gmgn/.env
+   chmod 600 ~/.config/gmgn/.env
+   ```
 
 ## Usage Examples
 
diff --git a/skills/gmgn-swap/SKILL.md b/skills/gmgn-swap/SKILL.md
index 4ede05a..a105088 100644
--- a/skills/gmgn-swap/SKILL.md
+++ b/skills/gmgn-swap/SKILL.md
@@ -67,13 +67,26 @@ Currency tokens are the base/native assets of each chain. They are used to buy o
 
 ## Prerequisites
 
-Both `GMGN_API_KEY` and `GMGN_PRIVATE_KEY` must be set in `.env`. The private key must correspond to the wallet bound to the API Key.
+Both `GMGN_API_KEY` and `GMGN_PRIVATE_KEY` must be configured in `~/.config/gmgn/.env`. The private key must correspond to the wallet bound to the API Key.
 
-`gmgn-cli` must be installed globally before use (one-time setup):
+- `gmgn-cli` installed globally — if missing, run: `npm install -g gmgn-cli`
 
-```bash
-npm install -g gmgn-cli
-```
+**First-time setup** (if credentials are not configured):
+
+1. Generate key pair and show the public key to the user:
+   ```bash
+   openssl genpkey -algorithm ed25519 -out /tmp/gmgn_private.pem 2>/dev/null && \
+     openssl pkey -in /tmp/gmgn_private.pem -pubout 2>/dev/null
+   ```
+   Tell the user: *"This is your Ed25519 public key. Go to **https://gmgn.ai/ai**, paste it into the API key creation form (enable swap capability), then send me the API Key value shown on the page."*
+
+2. Wait for the user's API key, then configure both credentials:
+   ```bash
+   mkdir -p ~/.config/gmgn
+   echo 'GMGN_API_KEY=<key_from_user>' > ~/.config/gmgn/.env
+   echo 'GMGN_PRIVATE_KEY="<pem_content_from_step_1>"' >> ~/.config/gmgn/.env
+   chmod 600 ~/.config/gmgn/.env
+   ```
 
 ### Credential Model
 
diff --git a/skills/gmgn-token/SKILL.md b/skills/gmgn-token/SKILL.md
index 472bf20..d899683 100644
--- a/skills/gmgn-token/SKILL.md
+++ b/skills/gmgn-token/SKILL.md
@@ -46,9 +46,24 @@ Use the `gmgn-cli` tool to query token information based on the user's request.
 
 ## Prerequisites
 
-- `.env` file with `GMGN_API_KEY` set
-- Run from the directory where your `.env` file is located, or set `GMGN_HOST` in your environment
-- `gmgn-cli` installed globally: `npm install -g gmgn-cli`
+- `gmgn-cli` installed globally — if missing, run: `npm install -g gmgn-cli`
+- `GMGN_API_KEY` configured in `~/.config/gmgn/.env`
+
+**First-time setup** (if `GMGN_API_KEY` is not configured):
+
+1. Generate key pair and show the public key to the user:
+   ```bash
+   openssl genpkey -algorithm ed25519 -out /tmp/gmgn_private.pem 2>/dev/null && \
+     openssl pkey -in /tmp/gmgn_private.pem -pubout 2>/dev/null
+   ```
+   Tell the user: *"This is your Ed25519 public key. Go to **https://gmgn.ai/ai**, paste it into the API key creation form, then send me the API Key value shown on the page."*
+
+2. Wait for the user's API key, then configure:
+   ```bash
+   mkdir -p ~/.config/gmgn
+   echo 'GMGN_API_KEY=<key_from_user>' > ~/.config/gmgn/.env
+   chmod 600 ~/.config/gmgn/.env
+   ```
 
 ## Parameters — `token info` / `token security` / `token pool`
 
diff --git a/skills/gmgn-track/SKILL.md b/skills/gmgn-track/SKILL.md
index 16a76b4..d6afca9 100644
--- a/skills/gmgn-track/SKILL.md
+++ b/skills/gmgn-track/SKILL.md
@@ -59,10 +59,29 @@ Use the `gmgn-cli` tool to query on-chain tracking data based on the user's requ
 
 ## Prerequisites
 
-- `.env` file with `GMGN_API_KEY` set
-- `GMGN_PRIVATE_KEY` required for `track follow-wallet` (signature auth); not needed for `track kol` / `track smartmoney`
-- Run from the directory where your `.env` file is located, or set `GMGN_HOST` in your environment
-- `gmgn-cli` installed globally: `npm install -g gmgn-cli`
+- `gmgn-cli` installed globally — if missing, run: `npm install -g gmgn-cli`
+- `GMGN_API_KEY` configured in `~/.config/gmgn/.env`
+- `GMGN_PRIVATE_KEY` required only for `track follow-wallet`; not needed for `track kol` / `track smartmoney`
+
+**First-time setup** (if `GMGN_API_KEY` is not configured):
+
+1. Generate key pair and show the public key to the user:
+   ```bash
+   openssl genpkey -algorithm ed25519 -out /tmp/gmgn_private.pem 2>/dev/null && \
+     openssl pkey -in /tmp/gmgn_private.pem -pubout 2>/dev/null
+   ```
+   Tell the user: *"This is your Ed25519 public key. Go to **https://gmgn.ai/ai**, paste it into the API key creation form, then send me the API Key value shown on the page."*
+
+2. Wait for the user's API key, then configure:
+   ```bash
+   mkdir -p ~/.config/gmgn
+   echo 'GMGN_API_KEY=<key_from_user>' > ~/.config/gmgn/.env
+   chmod 600 ~/.config/gmgn/.env
+   ```
+   If the user also needs `track follow-wallet`, append the private key:
+   ```bash
+   echo 'GMGN_PRIVATE_KEY="<pem_content_from_step_1>"' >> ~/.config/gmgn/.env
+   ```
 
 ## Usage Examples