?
Framework

Custom / Unknown

https://cardscan.site/
B71 / 100
Grade B · Level 4InteractiveGood — solid foundations, with room to polish.
2 checks need fixing

2 failed out of 7 that apply to your site.

See top fixes

Quick Wins

Top 2 fixes ranked by score impact

  • 01Fail

    Markdown content negotiation

    +8 pts if fixed

    Serve text/markdown when the client sends Accept: text/markdown, or expose /path/index.md.

    See full details
  • 02Fail

    Link header for discovery

    +3 pts if fixed

    Add a Link header with rel="api-catalog" or rel="describedby".

    See full details
Hand-off prompt for your coding agent4 issues
# Agent-readiness remediation brief

Site: https://cardscan.site/
Platform: unknown (0% confidence)
AIScan score: 71/100 — Level 4 (Interactive)
Rubric: v2026-06-08.1

## Failing checks (sorted by weight)
- **[C1] Markdown content negotiation** — FAIL
  - Evidence: Accept: text/markdown → 200 (text/html)
  - Fix: Serve text/markdown when the client sends Accept: text/markdown, or expose /path/index.md.
- **[P2] MCP Server Card** — PARTIAL
  - Evidence: HTTP 200
  - Fix: Optional: publish /.well-known/mcp/server-card.json if you expose an MCP server.
- **[D3] Link header for discovery** — FAIL
  - Evidence: no Link response header
  - Fix: Add a Link header with rel="api-catalog" or rel="describedby".
- **[B3] Web Bot Auth key directory** — PARTIAL
  - Evidence: HTTP 200
  - Fix: Optional: serve a JWKS-style key directory at /.well-known/http-message-signatures-directory.

## General guidance
- Static-first: `robots.txt`, `llms.txt`, `/.well-known/*` JSON cards.
- Markdown negotiation: serve `text/markdown` when requested via `Accept` header or `?format=md`.
- Bot access: explicit allow/deny per AI user-agent (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, Applebot-Extended, Bytespider, Amazonbot, CCBot, meta-externalagent, cohere-ai, Diffbot).
- Capabilities: publish an MCP server card and (optionally) an Agent Skills manifest even if the runtime isn't live — discovery first.
- Re-scan at aiscan.site after deploying.

Discoverability

77

Can agents find your pages? robots, sitemaps, llms.txt.

21
  • Your site is missing this right now, so AI agents can't use it. The fix below is what to change.

    ID · D3

    What we found

    no Link response header

    How to fix it

    Add a Link header with rel="api-catalog" or rel="describedby".

    1.Add a Link response header

    Set this header on your homepage and/or root document. Most CDNs (Cloudflare, Vercel, Netlify) support response-header rules.

    2.Example
    Link: </.well-known/api-catalog>; rel="api-catalog"
    3.Verify

    After deploying, re-run this scan. You can also test with `curl -I` or `curl` directly.

Content

56

Can agents read your content cleanly? Markdown, structured data.

21
  • Your site is missing this right now, so AI agents can't use it. The fix below is what to change.

    ID · C1

    What we found

    Accept: text/markdown → 200 (text/html)

    How to fix it

    Serve text/markdown when the client sends Accept: text/markdown, or expose /path/index.md.

    1.Serve text/markdown on Accept negotiation

    When a client sends `Accept: text/markdown`, return a markdown rendering of the same content. The simplest path is to publish parallel `.md` files (e.g. `/about` → `/about.md`) and rewrite based on the Accept header.

    2.Test it
    curl -H "Accept: text/markdown" https://yoursite.com/
    3.Verify

    After deploying, re-run this scan. You can also test with `curl -I` or `curl` directly.

Bot Access

85

Are AI crawlers explicitly allowed or blocked?

21

Capabilities

75

Can agents do things? APIs, auth, MCP, Agent Skills.

21
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