Agent skill

Agenticx A2a Connector

by DemonDamon in DemonDamon/AgenticX

Guide for using the A2A (Agent-to-Agent) communication protocol in AgenticX including agent discovery, skill invocation, remote agent cards, and distributed agent systems.

Apache-2.0Auto-check passedAgent Workflows

Install Agenticx A2a Connector

skills CLI
$ npx skills add DemonDamon/AgenticX --skill agenticx-a2a-connector -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install DemonDamon/AgenticX agenticx-a2a-connector --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/DemonDamon/AgenticX.git skills-src && mkdir -p .claude/skills && cp -r skills-src/agenticx/skills/agenticx-a2a-connector .claude/skills/agenticx-a2a-connector && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
agenticx-a2a-connector
GitHub stars
340
Token cost
~1.3k tokens
SKILL.md length
210 words
Files
1
Skills in repo
17
Repo updated
First seen
Licence
Apache-2.0

At a glance

Guide for using the A2A (Agent-to-Agent) communication protocol in AgenticX including agent discovery, skill invocation, remote agent cards, and distributed agent systems.

  • Works in 6 steps: Version your skills — include version in… → Schema validation — always define… → Timeout handling — set reasonable… → …
  • The user wants agents to communicate with each other
  • SKILL.md covers What is A2A?, Core Components, Agent Cards and Using Remote Agent Skills as…, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Agenticx A2a Connector is an agent skill from DemonDamon/AgenticX. Guide for using the A2A (Agent-to-Agent) communication protocol in AgenticX including agent discovery, skill invocation, remote agent cards, and distributed agent systems. Use when the user wants agents to communicate with each other, set up distributed agent systems, invoke remote agent skills, or build agent-to-agent workflows.

Its SKILL.md is about 1.3k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Agent Workflows. The repository describes itself as: AgenticX is a unified, production-ready multi-agent platform — Python SDK + CLI (agx) + Studio server + Machi desktop app. Features Meta-Agent orchestration, 15+ LLM providers… The licence is Apache-2.0.

When your agent uses it

  • The user wants agents to communicate with each other
  • Set up distributed agent systems
  • Invoke remote agent skills
  • Build agent-to-agent workflows

Example prompts

  • “/agenticx-a2a-connector”

Requirements

  • Python 3

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Version your skills — include version in AgentCard metadata
  2. Schema validation — always define parameters_schema for skills
  3. Timeout handling — set reasonable timeouts for remote calls
  4. Retry logic — implement retries for network failures
  5. Health checks — use /health endpoints before routing traffic
  6. Security — authenticate A2A calls in production environments

What it can do on your machine

Read from SKILL.md and the folder at commit 421a73a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are python and bash).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Agenticx A2a Connector loads about 1.3k tokens when it runs. Until then it costs about 89 tokens; SKILL.md has 210 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~89
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from DemonDamon/AgenticX at commit 421a73a, republished under its Apache-2.0 licence (© DemonDamon). 210 words, ~1,256 tokens.

Download SKILL.mdSave it as .claude/skills/agenticx-a2a-connector/SKILL.md (or your agent's skills folder).
name
agenticx-a2a-connector
description
Guide for using the A2A (Agent-to-Agent) communication protocol in AgenticX including agent discovery, skill invocation, remote agent cards, and distributed agent systems. Use when the user wants agents to communicate with each other, set up distributed agent systems, invoke remote agent skills, or build agent-to-agent workflows.
metadata.author
AgenticX
metadata.version
0.6.5

AgenticX A2A Connector

Guide for building distributed, inter-communicating agent systems using the A2A protocol.

What is A2A?

A2A (Agent-to-Agent) is a protocol that enables agents to discover each other's capabilities and invoke them as if they were local tools. This allows building distributed agent systems where specialized agents collaborate across network boundaries.

Core Components

ComponentPurpose
AgentCardAdvertises an agent's identity and skills
SkillDescribes a capability an agent offers
A2ASkillToolWraps a remote skill as a local tool
A2ASkillToolFactoryBatch-creates tools from an AgentCard
A2AClientHTTP client for calling remote agents

Agent Cards

An AgentCard declares what an agent can do:

python
from agenticx.protocols import AgentCard, Skill

card = AgentCard(
    name="Research Agent",
    description="Specializes in web research and report generation",
    url="http://research-agent:8000",
    skills=[
        Skill(
            name="web_research",
            description="Search the web and compile findings",
            parameters_schema={
                "type": "object",
                "properties": {
                    "query": {"type": "string"},
                    "depth": {"type": "integer", "default": 3}
                },
                "required": ["query"]
            }
        ),
        Skill(
            name="generate_report",
            description="Generate a structured report from research data",
            parameters_schema={
                "type": "object",
                "properties": {
                    "topic": {"type": "string"},
                    "format": {"type": "string", "enum": ["markdown", "html"]}
                },
                "required": ["topic"]
            }
        )
    ]
)

Using Remote Agent Skills as Tools

Single Skill
python
from agenticx.protocols import A2ASkillTool

tool = A2ASkillTool(
    agent_url="http://research-agent:8000",
    skill_name="web_research"
)

# Use like any local tool
result = tool.run(query="latest AI trends", depth=5)
All Skills from an Agent
python
from agenticx.protocols import A2ASkillToolFactory

factory = A2ASkillToolFactory()
tools = factory.create_tools(agent_card=card)

# tools is a list of A2ASkillTool instances, one per skill
for t in tools:
    print(f"Tool: {t.name} — {t.description}")

A2A Client

Low-level client for direct communication:

python
from agenticx.protocols import A2AClient

client = A2AClient(base_url="http://research-agent:8000")

# Discover capabilities
card = client.get_agent_card()

# Invoke a skill
result = client.invoke_skill(
    skill_name="web_research",
    parameters={"query": "quantum computing", "depth": 3}
)

Building an A2A-Enabled Agent

Expose your agent as an A2A service:

python
from agenticx import Agent
from agenticx.protocols import A2AServer

agent = Agent(
    id="specialist",
    name="Data Specialist",
    role="Data Analysis",
    goal="Analyze datasets",
    organization_id="team-a"
)

server = A2AServer(agent=agent, port=8001)
server.register_skill(
    name="analyze_data",
    handler=my_analysis_function,
    description="Analyze a dataset and return insights"
)
server.start()

Multi-Agent Architecture Pattern

┌─────────────────┐     A2A      ┌──────────────────┐
│  Orchestrator    │────────────→│  Research Agent   │
│  Agent           │             │  (port 8001)      │
│  (port 8000)     │             └──────────────────┘
│                  │     A2A      ┌──────────────────┐
│                  │────────────→│  Analysis Agent   │
│                  │             │  (port 8002)      │
└─────────────────┘             └──────────────────┘

The Orchestrator discovers remote agents via their AgentCards and invokes their skills as tools within its own workflow.

CLI for A2A

bash
# Start an agent as an A2A service
agx serve --port 8001

# The serve command exposes:
# - GET  /.well-known/agent-card  → AgentCard JSON
# - POST /tasks/submit            → Invoke skills

Best Practices

  1. Version your skills — include version in AgentCard metadata
  2. Schema validation — always define parameters_schema for skills
  3. Timeout handling — set reasonable timeouts for remote calls
  4. Retry logic — implement retries for network failures
  5. Health checks — use /health endpoints before routing traffic
  6. Security — authenticate A2A calls in production environments

© DemonDamon, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in agenticx/skills/agenticx-a2a-connector of DemonDamon/AgenticX.

Open the folder on GitHubat commit 421a73a

Compare with similar skills

Agenticx A2a Connector next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Agenticx A2a Connector compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Agenticx A2a Connector this skillDemonDamon/AgenticX340—~1.3kAutomated safety check: PassApache-2.0
MCP Server Builderanthropics/skills180k63 repos~2.3kAutomated safety check: PassApache-2.0
Hook Development for Claude Code Pluginsanthropics/claude-plugins-official38k10 repos~4.1kAutomated safety check: NotesApache-2.0
Using Superpowersfarm-fe/farm5.6k35 repos~1.4kAutomated safety check: PassMIT
Executing Plans Inlineobra/superpowers297k2 repos~5.1kAutomated safety check: PassMIT
Skill CreatorAzure/azqr79689 repos~8.2kAutomated safety check: PassApache-2.0

Similar skills

  • MCP Server Builder

    anthropics/skills

    Official

    Guides the design and implementation of Model Context Protocol servers in TypeScript or Python, from tool naming and error messages to evaluation.

    180k GitHub starsUsed in 63 repos~2.3k tokens
    Agent WorkflowsAuto-check passed
  • Hook Development for Claude Code Plugins

    anthropics/claude-plugins-official

    Official

    Explains how to write Claude Code plugin hooks, both prompt-based checks and bash commands, for events such as PreToolUse, Stop and SessionStart.

    38k GitHub starsUsed in 10 repos~4.1k tokens
    Agent WorkflowsAuto-check: notes
  • Using Superpowers

    farm-fe/farm

    A skill your agent uses when starting any conversation - establishes how to find and use skills, requiring Skill tool invocation before ANY response including clarifying questions

    5.6k GitHub starsUsed in 35 repos~1.4k tokens
    Agent WorkflowsAuto-check passed
  • Executing Plans Inline

    obra/superpowers

    Has the agent carry out an implementation plan itself, task by task in the current session, keeping a ledger, proving each step with a test and ending with one whole-branch review.

    297k GitHub starsUsed in 2 repos~5.1k tokens
    Agent WorkflowsAuto-check passed
  • Skill Creator

    Azure/azqr

    Official

    Create new skills, modify and improve existing skills, and measure skill performance.

    796 GitHub starsUsed in 89 repos~8.2k tokens
    Agent WorkflowsAuto-check passed
  • Claude Code Agent Development

    anthropics/claude-plugins-official

    Official

    Explains how to write agents for Claude Code plugins: the markdown file with YAML frontmatter, trigger descriptions, model and color settings, and system prompt design.

    38k GitHub starsUsed in 7 repos~2.8k tokens
    Agent WorkflowsAuto-check passed

More from DemonDamon/AgenticX

All 17 skills in this repo
  • Code Module Summaries

    DemonDamon/AgenticX

    A skill your agent uses when scanning an arbitrary Git repository to create, refresh, or selectively update Markdown summaries of code modules, especially when changes must be traced from each…

    340 GitHub stars~3.7k tokensUpdated today
    Auto-check passed
  • Agenticx Agent Builder

    DemonDamon/AgenticX

    Guide for creating persistent Near desktop digital avatars (数字分身) via natural-language interview and the createavatar tool.

    340 GitHub stars~893 tokensUpdated today
    Auto-check passed
  • Agenticx Deployer

    DemonDamon/AgenticX

    Guide for deploying AgenticX agents to production including Docker containerization, Kubernetes orchestration, Volcengine AgentKit cloud deployment, and API server setup.

    340 GitHub stars~866 tokensUpdated today
    Auto-check passed
  • Agenticx Memory Architect

    DemonDamon/AgenticX

    Guide for setting up and using the AgenticX memory system including Mem0 integration, long-term memory, context management, and memory-enhanced agents.

    340 GitHub stars~1.1k tokensUpdated today
    Auto-check passed
  • Agenticx Query Data Source

    DemonDamon/AgenticX

    A skill your agent uses when the user asks about verifiable quantitative facts (stock prices, financial indicators, macro data, company registry, academic metrics, legal statutes) that must come…

    340 GitHub stars~1.5k tokensUpdated today
    Auto-check passed
  • Agenticx Quickstart

    DemonDamon/AgenticX

    AgenticX zero-to-hero quickstart guide. An agent skill from DemonDamon/AgenticX.

    340 GitHub stars~777 tokensUpdated today
    Auto-check passed

Categories

Questions about Agenticx A2a Connector

What does Agenticx A2a Connector do?

Guide for using the A2A (Agent-to-Agent) communication protocol in AgenticX including agent discovery, skill invocation, remote agent cards, and distributed agent systems. Agenticx A2a Connector is an agent skill from DemonDamon/AgenticX. Guide for using the A2A (Agent-to-Agent) communication protocol in AgenticX including agent discovery, skill invocation, remote agent cards, and distributed agent systems.

When should I use Agenticx A2a Connector?

Agenticx A2a Connector fits situations like: the user wants agents to communicate with each other; set up distributed agent systems; invoke remote agent skills; build agent-to-agent workflows.

How do I install Agenticx A2a Connector in Claude Code?

Run `npx skills add DemonDamon/AgenticX --skill agenticx-a2a-connector -a claude-code`. Or copy the skill folder (agenticx/skills/agenticx-a2a-connector in DemonDamon/AgenticX) into .claude/skills/agenticx-a2a-connector in your project. Claude Code loads it when a task matches its description.

How do I install Agenticx A2a Connector in Codex?

Run `npx skills add DemonDamon/AgenticX --skill agenticx-a2a-connector -a codex`. Or copy the skill folder (agenticx/skills/agenticx-a2a-connector in DemonDamon/AgenticX) into .agents/skills/agenticx-a2a-connector in your project. Codex loads it when a task matches its description.

Can I use Agenticx A2a Connector in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add DemonDamon/AgenticX --skill agenticx-a2a-connector -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/agenticx-a2a-connector, .gemini/skills/agenticx-a2a-connector, .github/skills/agenticx-a2a-connector and .opencode/skills/agenticx-a2a-connector in your project.

What does Agenticx A2a Connector need to run?

SKILL.md names no scripts, command-line tools or credentials: Agenticx A2a Connector is instructions for the agent only. Our summary lists: Python 3.

Does Agenticx A2a Connector access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Agenticx A2a Connector safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Agenticx A2a Connector use?

Agenticx A2a Connector is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Agenticx A2a Connector use?

About 1.3k tokens (SKILL.md is roughly 5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Agenticx A2a Connector?

Skills that share tags, products or a category with Agenticx A2a Connector: MCP Server Builder (anthropics/skills, 180k stars), Hook Development for Claude Code Plugins (anthropics/claude-plugins-official, 38k stars), Using Superpowers (farm-fe/farm, 5.6k stars) and Executing Plans Inline (obra/superpowers, 297k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Agenticx A2a Connector?

DemonDamon (a GitHub user) maintains it in DemonDamon/AgenticX, which has 340 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 10, 2026.

Source: DemonDamon/AgenticX on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.