Top fixes
- Structured data (+2 points): add a JSON-LD block (Organization or WebSite, plus Product, FAQPage or Article where relevant); add og:title and og:description so answer engines describe you accurately. How to fix
- Legal notices (+2 points): Publish the missing notices with a working request mechanism. Start with TAKE IT DOWN Act notice: Publish a plain-language notice and a request mechanism usable without an account; act within 48 hours. How to fix
- MCP census entry (+1 point): Expose a Streamable HTTP MCP endpoint at /mcp (or a paid x402 route) so agents can call you, not just read you. How to fix
Ordered by points recoverable. Each area: 2/2 pass, 1/2 warn, 0/2 fail.
api.signalis.dev is graded C. The $49 AI Visibility Full Report turns the 3 failing checks above (structured data, legal notices, mcp census entry) into a prioritized, specific fix list for api.signalis.dev, and tests 8 real buyer questions across ChatGPT-class models to show what AI answers say about you today.
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Crawler access (robots.txt)
2/2 · pass
8 of 8 AI crawlers may read the site, 0 disallowed
- GET /robots.txt -> HTTP 200, 629 B, 9 user-agent groups
- Allowed: GPTBot, ClaudeBot, OAI-SearchBot, PerplexityBot, Google-Extended, Amazonbot (via *), CCBot, Bytespider (via *)
- Sitemap declared: https://api.signalis.dev/sitemap.xml
Fix: Nothing to fix here.
Machine-readable surfaces
2/2 · pass
5 of 7 surfaces present (/llms.txt, /sitemap.xml, /.well-known/x402, /.well-known/agent-card.json, /openapi.json)
- /llms.txt: HTTP 200, 6.5 KB of text
- /sitemap.xml: HTTP 200, XML sitemap (1.3 KB)
- /.well-known/x402: HTTP 200, valid JSON (5 paid resources)
- /.well-known/agent-card.json: HTTP 200, valid JSON (agent "signalis")
- /.well-known/mcp-registry-auth: HTTP 404
- /openapi.json: HTTP 200, valid JSON (OpenAPI 3.1.0)
- /ai.txt: HTTP 404
Fix: Nothing to fix here.
Readable without JavaScript
2/2 · pass
Home page is readable
- GET https://api.signalis.dev/ -> HTTP 200, text/html, 9.4 KB
- 5,719 characters of visible text with scripts, styles and tags removed; <title>: "Signalis API — Global intelligence, real-time awareness for AI agents on x402 — "
- 1 external script, 0 inline; <noscript> absent
- first words: "Signalis API Global intelligence, real-time awareness for AI agents on x402 — the 4-hourly Master Intelligence digest (20-source roster) plu..."
Fix: Nothing to fix here.
Structured data
0/2 · fail
No JSON-LD, Open Graph incomplete
- 0 JSON-LD blocks
- Open Graph: no og:title; no og:description
- meta description: absent
Fix: add a JSON-LD block (Organization or WebSite, plus Product, FAQPage or Article where relevant); add og:title and og:description so answer engines describe you accurately.
Legal notices (TAKE IT DOWN desk check)
0/2 · fail
0 of 6 required notices complete (desk score 0/12)
- Desk score 0/12 across 6 checks (1 of 12 pages read)
- Missing or partial: TAKE IT DOWN Act notice (0/2); DMCA / copyright notice (0/2); DSA notice-and-action (EU users) (0/2); Privacy request method (0/2); Accessibility statement and feedback (0/2); Marketing opt-out (0/2)
Fix: Publish the missing notices with a working request mechanism. Start with TAKE IT DOWN Act notice: Publish a plain-language notice and a request mechanism usable without an account; act within 48 hours.
MCP census entry (index.agentexchange.work)
1/2 · warn
Listed in the census; no /mcp endpoint
- Listed in the census (2026-09-29): rank #250 by calls, 70 paid calls and 11 payers in 30 days, 1 resource
- GET /mcp -> HTTP 404: no MCP endpoint at the root
Fix: Expose a Streamable HTTP MCP endpoint at /mcp (or a paid x402 route) so agents can call you, not just read you.
