Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add anatolykoptev/n8n-mcp-agent --skill create-credentialsgit clone --depth 1 https://github.com/anatolykoptev/n8n-mcp-agentWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/anatolykoptev/n8n-mcp-agent/create-credentials)<a href="https://agentmods.dev/skills/anatolykoptev/n8n-mcp-agent/create-credentials"><img src="https://agentmods.dev/badge/skills/anatolykoptev/n8n-mcp-agent/create-credentials/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/anatolykoptev/n8n-mcp-agent/create-credentials"><img src="https://agentmods.dev/badge/skills/anatolykoptev/n8n-mcp-agent/create-credentials.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00037 | $0.01085 |
| Opus 5 | $0.00018 | $0.00543 |
| Sonnet 5 | $0.00007 | $0.00217 |
| Haiku 4.5 | $0.00004 | $0.00109 |
Grade A, and why
create-credentials scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 199 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create Credentials Skill
This skill provides type-safe credential creation for n8n integrations.
When to Use
- Setting up new n8n integrations
- Connecting to databases (Postgres, MySQL)
- Configuring messaging services (Slack, Telegram)
- Setting up AI services (OpenAI)
- Connecting to APIs (GitHub, Notion, Airtable)
Available Credential Factories
Database Credentials
PostgreSQL
await credentialFactory.createPostgres(
'My Postgres DB', // name
'db.example.com', // host
'myapp', // database
'admin', // user
'secret123', // password
5432, // port (default: 5432)
true // ssl (default: false)
)
MySQL
await credentialFactory.createMySql(
'My MySQL DB', // name
'db.example.com', // host
'myapp', // database
'admin', // user
'secret123', // password
3306 // port (default: 3306)
)
Messaging Credentials
Slack
await credentialFactory.createSlack(
'Slack Bot', // name
'xoxb-xxx-xxx' // Bot User OAuth Token
)
Telegram
await credentialFactory.createTelegram(
'Telegram Bot', // name
'123456:ABC-xxx' // Bot token from @BotFather
)
AI Credentials
OpenAI
await credentialFactory.createOpenAI(
'OpenAI API', // name
'sk-xxx' // API key
)
Cloud Service Credentials
Google Service Account
await credentialFactory.createGoogleServiceAccount(
'Google Service', // name
'[email protected]', // email
'-----BEGIN PRIVATE KEY-----\n...' // PEM private key
)
GitHub
await credentialFactory.createGitHub(
'GitHub Token', // name
'ghp_xxx' // Personal access token
)
HTTP Authentication
Basic Auth
await credentialFactory.createHttpBasic(
'API Basic Auth', // name
'username', // username
'password' // password
)
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 199 lines · 37 tokens per session scan A 59652c67b39b
create-credentials is a skill published in the GitHub repository anatolykoptev/n8n-mcp-agent (0 stars, last pushed 6mo ago), licensed MIT. It adds 37 tokens to every session and 1,085 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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