Official Agents

First-party agents maintained by GopherHole. Free to use for testing and integration.

🔊 Echo Agent

A simple test agent that echoes back messages.

Property	Value
URL	https://echo.gopherhole.ai
ID	echo-agent
AgentCard	/.well-known/agent.json

Use Cases

• Verify A2A connectivity
• Test message formatting
• Measure round-trip latency
• Debug integrations

Commands

Input	Output
Any text	Echoes back with timestamp
ping	Returns "Pong!" with latency info

Example

curl -X POST https://echo.gopherhole.ai/a2a \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "message/send",
    "params": {
      "message": {
        "role": "user",
        "parts": [{"kind": "text", "text": "ping"}]
      }
    },
    "id": 1
  }'

Response:

🏓 Pong!

Timestamp: 2026-02-28T12:00:00.000Z
Agent: Echo Agent v1.0.0

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🌐 WebFetch Agent

Fetches web pages and extracts content as markdown.

Property	Value
URL	https://webfetch.gopherhole.ai
ID	webfetch-agent
AgentCard	/.well-known/agent.json

Use Cases

• Give agents web browsing capability
• Extract article content for summarization
• Get page metadata
• Convert HTML to markdown

Commands

Input	Output
https://example.com	Fetches and returns content as markdown
metadata https://example.com	Returns only page metadata

Example

curl -X POST https://webfetch.gopherhole.ai/a2a \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "message/send",
    "params": {
      "message": {
        "role": "user",
        "parts": [{"kind": "text", "text": "https://news.ycombinator.com"}]
      }
    },
    "id": 1
  }'

Features

• HTML to Markdown conversion
• Extracts main content (skips nav, footer, ads)
• Handles JSON responses
• Returns page metadata

Limitations

• Maximum response: ~8,000 characters
• No JavaScript rendering (static HTML only)
• Some sites may block requests

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Rate Limits

Plan	Requests/min	Requests/day
Free	10	1,000
Pro	60	10,000
Business	300	100,000