Mercury Agent Skills
A curated registry of reusable Mercury Agent, Open Claw or Hermes Agent skills designed for real developer workflows, persistent memory, and token-efficient execution.
Mercury Agent Skills is an open-source agent skill by cosmicstack-labs, written mainly in JavaScript, with 487 GitHub stars and the MIT license. Its code was last updated Aug 25, 2026. The latest npm release is @cosmicstack/mercury-agent 1.5.2, published Nov 12, 2026, with 430 downloads last week.
Scan summary: scanned Nov 5, 2026 at commit 30392fb. No capabilities flagged by our checks. Scan policy
What Mercury Agent Skills 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
- Our checks did not find this. The tool may still do it.Read environment and secretsNot seen in this 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 30392fb, Nov 5, 2026. See the scan policy.
Before you install Mercury Agent Skills
AgenticMart scanned Mercury Agent Skills 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.
- Based on its description and topics, it likely needs to run shell commands.
Before you install
- Keep tool-call approval on, and run it in a container if you can.
- 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 cosmicstack-labs on GitHub, 487 stars and 64 forks. Popularity is not proof of safety.
- Last code change: Aug 25, 2026.
- Open-source license: MIT.
Mercury Agent Skills is an open-source agent skill by cosmicstack-labs, written mainly in JavaScript. A curated registry of reusable Mercury Agent, Open Claw or Hermes Agent skills designed for real developer workflows, persistent memory, and token-efficient execution.
At a glance
- Stars
- 487
- Forks
- 64
- Language
- JavaScript
- License
- MIT
- Created
- May 2026
- Last update
- Aug 25, 2026
- Type
- Agent Skill
- Price
- Free
Topics
Questions about Mercury Agent Skills
What is Mercury Agent Skills?
A curated registry of reusable Mercury Agent, Open Claw or Hermes Agent skills designed for real developer workflows, persistent memory, and token-efficient execution.
Who maintains Mercury Agent Skills?
Mercury Agent Skills is maintained by cosmicstack-labs on GitHub (cosmicstack-labs/mercury-agent-skills). AgenticMart lists it from public repository data.
Is Mercury Agent Skills safe to use?
AgenticMart scanned Mercury Agent Skills 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 Mercury Agent Skills use?
It is published under the MIT license.
Mercury Agent Skills alternatives
View more →Similar agent skills in Learning Resources, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Mercury Agent Skills (this page) cosmicstack-labs | 487 | MIT | Aug 25, 2026 | Scanned, no flagged issues |
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| One Skill To Rule Them All rebelytics | 3.7k | CC-BY-4.0 | Oct 28, 2026 | Scanned, no flagged issues |