Ask Joost
joost.blog
· Joost de Valk
An AI agent grounded in Joost de Valk's published writing and talks — covering SEO, WordPress, the open web, AI, open source, and his investment portfolio at Emilia Capital. Ask questions in natural language and receive cited answers drawn from a semantic index of his blog posts and video transcripts.
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Conformance score: 50/100
D-grade: significant issues — auth-gated, partially broken, or stale.
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agent-card.json changed within the last 7 days. We track these so downstream callers can react.
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| Captured | Hash | |
|---|---|---|
| 2026-05-23 01:44:23 current | ad31ecafe50e… |
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| Agent card | https://joost.blog/.well-known/agent-card.json |
| Provider | https://joost.blog |
Skills · 2 declared · mapped to canonical taxonomy
Ask a question about anything Joost de Valk has written or spoken about — SEO, WordPress, the open web, AI, open source, his career at Yoast, or his investments…
List Joost de Valk's published blog posts on joost.blog, optionally filtered by topic keyword and/or publish date. Returns chronologically sorted entries with t…
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Raw agent card JSON
{
"name": "Ask Joost",
"version": "1.0.0",
"description": "An AI agent grounded in Joost de Valk's published writing and talks \u2014 covering SEO, WordPress, the open web, AI, open source, and his investment portfolio at Emilia Capital. Ask questions in natural language and receive cited answers drawn from a semantic index of his blog posts and video transcripts.",
"url": "https://joost.blog/mcp",
"provider": {
"organization": "Joost de Valk",
"url": "https://joost.blog"
},
"supportedInterfaces": [
{
"url": "https://joost.blog/mcp",
"transport": "http",
"protocol": "MCP/2025-11-25"
},
{
"url": "https://joost.blog/ask",
"transport": "http",
"protocol": "NLWeb"
}
],
"capabilities": {
"streaming": true,
"pushNotifications": false
},
"skills": [
{
"id": "ask_joost",
"name": "Ask Joost",
"description": "Ask a question about anything Joost de Valk has written or spoken about \u2014 SEO, WordPress, the open web, AI, open source, his career at Yoast, or his investments via Emilia Capital. Returns an AI-generated answer grounded in his blog posts and video transcripts, with source URLs for every claim.",
"inputModes": [
"text"
],
"outputModes": [
"text"
],
"examples": [
"What's Joost's take on WordPress market share?",
"Why did Joost leave Yoast?",
"What does Joost think about AI's impact on SEO?"
]
},
{
"id": "list_recent_content",
"name": "List recent content",
"description": "List Joost de Valk's published blog posts on joost.blog, optionally filtered by topic keyword and/or publish date. Returns chronologically sorted entries with title, URL, publish date, excerpt, and categories.",
"inputModes": [
"text"
],
"outputModes": [
"text"
],
"examples": [
"What has Joost published this year?",
"List posts about WordPress",
"What's the most recent post?"
]
}
]
}