What this skill does
Verify AI agents, check trust scores (0-100), fetch A2A agent cards, discover marketplace agents, apply guardrails for security and compliance. Use when user mentions agent verification, trust scores, agent discovery, A2A protocol, agent identity, agent marketplace, guardrails, security policies, content moderation, or asks "is this agent safe?" or "find agents that can [task]" or "apply guardrails to protect my agent".
Praesidia is part of the Developer Tools category — developer tools that help your agent write, review, debug, and ship code. You can install it on its own or alongside other developer tools skills from the OpenClaw catalog.
How to install Praesidia
The easiest path is via the OpenClaw Easy desktop app — one click, no terminal required:
- Download OpenClaw Easy for macOS or Windows (free, one-click installer, ~30 seconds).
- Open the in-app Skills panel.
- Search for
praesidia-ai-a2aand click Install. - The skill activates automatically when an incoming message matches its description.
Install from the command line
If you already run the OpenClaw CLI, add Praesidia with a single command:
openclaw skills add praesidia-ai-a2a
This pulls praesidia-ai-a2a from ClawHub and installs it into ~/.openclaw/skills/praesidia-ai-a2a/. Restart the OpenClaw gateway afterwards so the new skill is discovered.
How to use Praesidia
Once installed, Praesidia activates on its own: when an incoming message on WhatsApp, Telegram, Slack, Discord, Feishu or Line matches the skill's description, your OpenClaw agent loads it and runs the workflow. You can also trigger it explicitly by describing the task in chat. No extra configuration is required after install.
Manual install (advanced)
If you prefer manual installation:
- Click the Download .zip button above to grab
praesidia-ai-a2a-0.1.0.zipdirectly from our S3 mirror. - Unzip into
~/.openclaw/skills/praesidia-ai-a2a/(create the directory if it does not exist). - Restart OpenClaw Easy (or the OpenClaw CLI gateway) so the new skill is discovered.
Frequently asked questions
How do I install Praesidia?
Install Praesidia in the OpenClaw Easy desktop app by opening the Skills panel, searching for praesidia-ai-a2a, and clicking Install. From a terminal you can run: openclaw skills add praesidia-ai-a2a. Either way the skill is placed in ~/.openclaw/skills/praesidia-ai-a2a/.
Is Praesidia free?
Yes. Praesidia is free and open-source, distributed under the Apache-2.0 license through ClawHub. No account or payment is required to download or run it.
What does Praesidia do?
Verify AI agents, check trust scores (0-100), fetch A2A agent cards, discover marketplace agents, apply guardrails for security and compliance.
Related: more developer tools skills
If Praesidia looks useful, you may also want to check out other developer tools skills in the OpenClaw catalog:
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Free, open-source · Apache-2.0 · Works with Claude, ChatGPT, Gemini, or local Ollama models