# Claude certification practice exams and AI blog

> Free, unofficial practice questions for four Claude certifications, plus an AI blog (EN/PL).

- name: com.szymonpaluch/mcp
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.szymonpaluch%2Fmcp
- tools: https://api.protogrid.dev/v1/servers/com.szymonpaluch%2Fmcp/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "szymonpaluch": {
      "type": "http",
      "url": "https://szymonpaluch.com/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 99
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-98% +updated-10d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 6 of 6 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,069 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: 1 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 6, about 1,069 tokens to load them all
- tool set hash: 3044590b1b955541031ba94789b38140
- tools last changed: 2026-10-19T14:48:28.608Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.szymonpaluch/mcp.svg)](https://protogrid.dev/servers/com.szymonpaluch/mcp)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-19 `get_speaking` changed (description)
  - before: Szymon Paluch's conference talks, meetups, podcasts and trainings since 2020, newest first. Only engagements verified against a public source.
  - after: Szymon Paluch's conference talks, meetups, podcasts and trainings since 2014, newest first. Only engagements verified against a public source.

Full history: https://api.protogrid.dev/v1/servers/com.szymonpaluch%2Fmcp/changes

## Remotes

- https://szymonpaluch.com/mcp (streamable-http, auth none, reachable true, uptime30d 0.9756098)

## Packages

_none_

## Tools (6)

- `book_a_call`: The link to book a call with Szymon Paluch, plus his email and phone.
- `get_services`: Szymon Paluch's services (AI implementation, consulting, workshops, speaking, the Certified AI Consultant Program) with indicative prices in PLN (net, primary) and USD (converted). Final quotes are scoped per engagement.
- `get_speaking`: Szymon Paluch's conference talks, meetups, podcasts and trainings since 2014, newest first. Only engagements verified against a public source.
- `practice_question`: One question from Szymon Paluch's free, unofficial practice exams for the Claude certifications: ccar-f = Claude Certified Architect – Foundations (60 questions); ccar-p = Claude Certified Architect – Professional (63 questions); ccao-f = Claude Certified Associate – Foundations (60 questions); ccdv-f = Claude Certified Developer – Foundations (53 questions). Choose the exam with `exam` (default ccar-f, Architect – Foundations, which Szymon passed with 833/1000). Returns the scenario, question, options, the correct answer and an explanation; some questions are multiple response and say how many answers to select. Show the question and options first and reveal the answer only after the user has answered. Filter by exam domain (the first result names it; an out-of-range domain lists them all) or ask for a question number. Questions are in English, as on the real exams.
- `read_post`: Full text of one blog post as Markdown, with its URL, date and FAQ. Takes the slug from search_posts, or the post URL.
- `search_posts`: Search Szymon Paluch's blog (agentic engineering, AI implementation, Claude certification, AI in companies). Returns matching posts with title, date, summary, slug and URL. Every post exists in English and Polish under the same slug.