# Jan Linketscher

> Profile and essays of Jan Linketscher (i22, Bonn), full-text search, and booking a call.

- name: com.janlinketscher/site
- version: 2.2.0
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 100/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/com.janlinketscher%2Fsite
- tools: https://api.protogrid.dev/v1/servers/com.janlinketscher%2Fsite/tools

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

## Connection (mcpServers)

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


## Trust

- hygiene: 80
- liveness: 97
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-92% +updated-10d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 100/100 (strong)

### protocol: 100 (weight 25)

- pass `protocol.modern`: supports 2026-07-28 (server/discover)
- pass `protocol.stateless`: answers without a session
- pass `protocol.transport`: streamable HTTP
- pass `protocol.list_ttl`: tool list is cacheable (ttlMs 3600000)

### 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`: 7 of 7 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,225 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`: 2 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: 7, about 1,225 tokens to load them all
- tool set hash: 81501eeea5194fac03729cfc8570adad
- tools last changed: 2026-10-10T18:44:34.738Z
- badge: [![protogrid quality](https://protogrid.dev/badge/com.janlinketscher/site.svg)](https://protogrid.dev/servers/com.janlinketscher/site)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-10-10 `get_essay` changed (description, inputSchema)
  - before: Full text of one Anti-Playbook essay as Markdown (with front matter). Use the slug from list_essays or search.
  - after: Full text of one essay as Markdown (with front matter). Use the slug from list_essays or search.
- 2026-10-10 `list_essays` changed (description)
  - before: List the Anti-Playbook essays, newest first: title, date, one-sentence summary, topics, URL and slug. Optionally filter by topic slug. Also returns the available topics.
  - after: List the essays, newest first: title, date, one-sentence summary, topics, URL and slug. Optionally filter by topic slug. Also returns the available topics.

Full history: https://api.protogrid.dev/v1/servers/com.janlinketscher%2Fsite/changes

## Remotes

- https://janlinketscher.com/api/mcp (streamable-http, auth none, reachable true, uptime30d 0.9189189)

## Packages

_none_

## Tools (7)

- `book_meeting`: Book a call with Jan Linketscher on behalf of your user. The start must be a slot returned by get_availability. If your client supports elicitation (form mode, MCP 2026-07-28), the server itself asks the user to confirm time, name and email – name and email are then prefilled from your arguments and can be corrected by the user. Otherwise: show the user meeting type, date and time (with time zone), name and email, get their explicit approval, then pass name, email and confirmed: true. Use the user's real name and email; never invent them. Cal.com sends the confirmation with a calendar invite and links to reschedule or cancel to that email address.
- `get_availability`: Free time slots for a call with Jan Linketscher. meeting_type: "kennenlernen" (Kennenlernen, 30 min), "sparring" (Sparring, 60 min). Optional date range (YYYY-MM-DD, default: the next 14 days, at most 90 days ahead). Times are ISO 8601 with offset; the text answer lists them in Europe/Berlin.
- `get_essay`: Full text of one essay as Markdown (with front matter). Use the slug from list_essays or search.
- `get_profile`: Who Jan Linketscher is: managing director and shareholder of the digital agency i22 (Bonn), his background, how his texts are written, and how to contact him. Content is in German.
- `list_essays`: List the essays, newest first: title, date, one-sentence summary, topics, URL and slug. Optionally filter by topic slug. Also returns the available topics.
- `list_meeting_types`: The kinds of calls that can be booked with Jan Linketscher ("kennenlernen" (Kennenlernen, 30 min), "sparring" (Sparring, 60 min)), with duration, purpose and a booking link for humans.
- `search`: Full-text search across all essays and pages (about, context). Returns the best matches with title, URL and a short snippet. German queries work best.