Learn-skills.dev credentials

Encrypted credential store — add, retrieve, list, and delete named secrets (API keys, tokens, passwords) stored AES-256-GCM encrypted at ~/.aibtc/credentials.json. Each write operation requires the master password; listing metadata does not.

install

source · Clone the upstream repo

git clone https://github.com/NeverSight/learn-skills.dev

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/NeverSight/learn-skills.dev "$T" && mkdir -p ~/.claude/skills && cp -r "$T/data/skills-md/aibtcdev/skills/credentials" ~/.claude/skills/neversight-learn-skills-dev-credentials && rm -rf "$T"

manifest: data/skills-md/aibtcdev/skills/credentials/SKILL.md

source content

Credentials Skill

Manages arbitrary named secrets — API keys, tokens, passwords, URLs — encrypted at rest using AES-256-GCM with per-credential PBKDF2 key derivation. Values are stored as encrypted blobs in

~/.aibtc/credentials.json

; only identifiers, labels, categories, and timestamps are stored in plaintext. No wallet is required — the credential store uses its own master password independent of the wallet system.

Usage

bun run credentials/credentials.ts <subcommand> [options]

Subcommands

add

Add a new credential or update an existing one. The value is encrypted with AES-256-GCM using a key derived from the master password via PBKDF2 (100,000 iterations, per-credential salt).

bun run credentials/credentials.ts add --id <id> --value <value> --password <pass> [--label <text>] [--category <cat>]

Options:

```
--id
```
(required) — Normalized credential identifier (e.g.
```
hiro-api-key
```
,
```
openrouter-token
```
)
```
--value
```
(required) — Plaintext secret value (sensitive — not stored)
```
--password
```
(required) — Master password for encryption (sensitive)
```
--label
```
(optional) — Human-readable label (default: same as id)
```
--category
```
(optional) — Category tag such as
```
api-key
```
,
```
token
```
,
```
url
```
, or
```
secret
```
(default:
```
secret
```
)

Output:

{
  "success": true,
  "id": "hiro-api-key",
  "label": "Hiro API Key",
  "category": "api-key",
  "createdAt": "2026-01-01T00:00:00.000Z",
  "updatedAt": "2026-01-01T00:00:00.000Z"
}

get

Decrypt and return a credential value. The plaintext value appears in the output — handle with care.

bun run credentials/credentials.ts get --id <id> --password <pass>

Options:

```
--id
```
(required) — Credential identifier
```
--password
```
(required) — Master password for decryption (sensitive)

Output:

{
  "id": "hiro-api-key",
  "label": "Hiro API Key",
  "category": "api-key",
  "value": "hiro_api_key_xxxxxxxxxxxxxxxx",
  "createdAt": "2026-01-01T00:00:00.000Z",
  "updatedAt": "2026-01-01T00:00:00.000Z"
}

Tip: Extract the value in scripts with

$(bun run credentials/credentials.ts get --id hiro-api-key --password $CRED_PASS | jq -r .value)

list

List all credential identifiers and metadata. No decryption is performed and no secret values are returned.

bun run credentials/credentials.ts list

Output:

{
  "count": 2,
  "credentials": [
    {
      "id": "hiro-api-key",
      "label": "Hiro API Key",
      "category": "api-key",
      "createdAt": "2026-01-01T00:00:00.000Z",
      "updatedAt": "2026-01-01T00:00:00.000Z"
    }
  ]
}

delete

Permanently delete a credential. Requires the master password (to verify ownership) and an explicit confirmation string.

bun run credentials/credentials.ts delete --id <id> --password <pass> --confirm DELETE

Options:

```
--id
```
(required) — Credential identifier to delete
```
--password
```
(required) — Master password for verification (sensitive)
```
--confirm
```
(required) — Must be exactly
```
DELETE
```

Output:

{
  "success": true,
  "deleted": "hiro-api-key",
  "message": "Credential \"hiro-api-key\" has been permanently deleted."
}

rotate-password

Change the master password by atomically re-encrypting all credentials. Decrypts every credential with the old password and re-encrypts with the new one. If any credential fails to decrypt, the operation is aborted before any changes are written.

bun run credentials/credentials.ts rotate-password --old-password <pass> --new-password <pass>

Options:

```
--old-password
```
(required) — Current master password (sensitive)
```
--new-password
```
(required, min 8 chars) — New master password (sensitive)

Output:

{
  "success": true,
  "message": "Password rotated. 3 credentials re-encrypted.",
  "count": 3
}

Security Notes

Credentials are AES-256-GCM encrypted with a unique salt and IV per credential — a compromised credential does not weaken others
PBKDF2-SHA256 with 100,000 iterations makes brute-force attacks expensive
The master password is never written to disk — pass it via
```
--password
```
flag or environment variable substitution
```
~/.aibtc/credentials.json
```
is written with mode 0o600 (owner read/write only)
The credential store is independent of the wallet system — a separate master password is recommended
```
delete
```
and
```
rotate-password
```
verify the password by decrypting before mutating the store