# plainapp.com: agent door 12, human door not measured
- Site: plainapp.com
- Scanned: 2026-09-10
- Scan type: Basic scan
- Business type: unknown
- Report: https://www.seconddoor.io/r/plainapp-u9cb8v
- Scanner version: 49
- Scanner release: c49d1def936f56a5ab0871f38c5e6412433ec37a
- Scoring methodology: 1
- Evidence schema: 1
0 human and 2 agent dimensions measured from the pages checked; remaining dimensions are not scored.
## Scores
| Measure | Score |
| --- | --- |
| Humans | not measured |
| Agents | 12/100 (2/6 dimensions) |
| Composite | 12/100 |
Agent door only. The human door could not be measured on this scan. A Door Gap needs both doors, so this scan does not report one.
## What the machine actually did
The scanner recorded successful observations for 4 of 10 checks, but could not ask whether the door opens for requests carrying the AI crawlers' names. It came up empty on 5 other checks too. 4 checks could not be measured; see the report limitations.
- ok      reach the site at all
- ok      find out whether machines are welcome
- missing ask whether the door opens for requests carrying the AI crawlers' names
- ok      read the site's own guide for language models
- ok      find out what pages exist
- missing find a contact route for machines
- missing find an MCP manifest at the standard paths checked
- missing find an agent plugin manifest
- missing find out whether verified agents are recognised
- missing find a machine readable API spec
## Top issues
1. **No valid security.txt was identified at /.well-known/security.txt.** (machine_fetchable_trust)
   - Evidence: /.well-known/security.txt: the response did not validate as a security.txt.
   - Evidence: Checked URL: https://plainapp.com/.well-known/security.txt
   - Fix: Publish /.well-known/security.txt with a contact route.
The full report is at https://www.seconddoor.io/r/plainapp-u9cb8v
## Files generated from this scan
- **Let verified assistants through** at `notes`, 1 hour, developer. Verify: On a subsequent scan, compare the same endpoint and client response. An unavailable check remains unresolved.
- **security.txt** at `/.well-known/security.txt`, 10 minutes, no developer needed. Verify: The next scan fetches /.well-known/security.txt as text and the security.txt check passes.
Each file is written from what this scan found on the site. The content is in the JSON once the evidence is opened: https://www.seconddoor.io/api/reports/plainapp-u9cb8v
## The agent door
- **machine_discoverability** not measured. Not measured: our scanner could not identify the required evidence on the pages checked.
- **programmatic_onboarding** not measured. Not measured: this scan did not reach the page or action needed to verify it.
- **pricing_legibility** not measured. Not measured: our scanner could not identify the required evidence on the pages checked.
- **agent_aware_instrumentation** 8/100. No MCP manifest was identified at the discovery paths checked.
- **machine_fetchable_trust** 15/100. No security.txt was identified at the checked path.
- **commercial_rails** not measured. Not measured: an access refusal or challenge prevented our scanner from reading the required page.
## The human door
- **steps_to_first_value** not measured. Not measured: an access refusal or challenge prevented our scanner from reading the required page.
- **required_fields** not measured. Not measured: an access refusal or challenge prevented our scanner from reading the required page.
- **verification_walls** not measured. Not measured: an access refusal or challenge prevented our scanner from reading the required page.
- **error_recovery** not measured. Not measured: an access refusal or challenge prevented our scanner from reading the required page.
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Scored by SecondDoor. Method: https://www.seconddoor.io/methodology
Scan another site: https://www.seconddoor.io
Rate an issue or this report: POST https://www.seconddoor.io/api/feedback, or the rate_fix tool on https://www.seconddoor.io/api/mcp