Spellbook Agent Skill
Cross-runtime skills for Claude Code, Codex, and multi-agent workflows.
Spellbook is an open-source agent skill by majiayu000, written mainly in Python, with 288 GitHub stars and the MIT license. Its code was last updated Oct 28, 2026.
Scan summary: scanned Nov 5, 2026 at commit 238e076. Seen able to read environment and secrets. Scan policy
What Spellbook can touch
- Our checks did not find this. The tool may still do it.Run shell commandsNot seen in this scan
- Our checks did not find this. The tool may still do it.Run dynamic codeNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or write filesNot seen in this scan
- Seen in this scan, either in the code or while it ran.Read environment and secretsFound in the code by our scan
- Our checks did not find this. The tool may still do it.Control a web browserNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to databasesNot seen in this scan
- Our checks did not find this. The tool may still do it.Read or send messagesNot seen in this scan
- Our checks did not find this. The tool may still do it.Touch money or tradingNot seen in this scan
- Our checks did not find this. The tool may still do it.Connect to the internetNot run in this scan
"Not seen" means our checks did not find it, and the tool may still do it. Covers commit 238e076, Nov 5, 2026. See the scan policy.
Before you install Spellbook
AgenticMart scanned Spellbook on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What it can access
- A skill is instructions plus optional scripts. The instructions steer your agent; any scripts run on your machine when the agent uses the skill.
Before you install
- Pin the version you reviewed instead of always installing the latest release.
- Read the tool list or scripts before the first run, and keep approval prompts on for actions that write, send or delete.
- Maintained by majiayu000 on GitHub, 288 stars and 28 forks. Popularity is not proof of safety.
- Last code change: Oct 28, 2026.
- Open-source license: MIT.
Spellbook is an open-source agent skill by majiayu000, written mainly in Python. Cross-runtime skills for Claude Code, Codex, and multi-agent workflows.
At a glance
- Stars
- 288
- Forks
- 28
- Language
- Python
- License
- MIT
- Created
- Dec 2025
- Last update
- Oct 28, 2026
- Type
- Agent Skill
- Price
- Free
Topics
Questions about Spellbook
What is Spellbook?
Cross-runtime skills for Claude Code, Codex, and multi-agent workflows.
Who maintains Spellbook?
Spellbook is maintained by majiayu000 on GitHub (majiayu000/spellbook). AgenticMart lists it from public repository data.
Is Spellbook safe to use?
AgenticMart scanned Spellbook on Nov 5, 2026 with automated checks for hidden code, known-malicious packages, leaked secrets and vulnerable dependencies. The result covers one commit under our scan policy, so review what access you give it and check any advisories shown here.
What license does Spellbook use?
It is published under the MIT license.
Spellbook alternatives
View more →Similar agent skills in Productivity & Workflow, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Spellbook (this page) majiayu000 | 288 | MIT | Oct 28, 2026 | Scanned, no flagged issues |
| Eigent eigent-ai | 16k | Apache-2.0 | Nov 1, 2026 | Scanned, no flagged issues |
| Kami tw93 | 12k | MIT | Nov 1, 2026 | Scanned, no flagged issues |
| Skill anbeime | 9k | None found | Nov 1, 2026 | Not scanned yet |
| Refly refly-ai | 7.5k | None found | Oct 21, 2026 | Not scanned yet |
| N8n Skills czlonkowski | 6.6k | MIT | Oct 24, 2026 | Scanned, no flagged issues |