Anthropic vs Google Gemini API for AI agents
Google Gemini API is more ready for AI agents than Anthropic: 70 vs 57 out of 100. Google Gemini API is ahead on JSON-LD, public pricing and labelled form fields.
What an agent finds
| Anthropic | Google Gemini API | |
|---|---|---|
| Score | 57/100 | 70/100 |
| Blocks AI agents | No | No |
| robots.txt disallows | No AI bots | No AI bots |
| llms.txt | On the docs host | On the docs host |
| Remote MCP server | none found | none found |
| Docs MCP server | none found | none found |
| OpenAPI spec | none found | none found |
| Developer docs | platform.claude.com/docs/en/home | aistudio.google.com/docs |
| Public pricing | none found | ai.google.dev/pricing |
| Self-serve sign-up | No self-serve page we could open | No self-serve page we could open |
Check by check
60 core points every site needs, plus 40 split between letting an agent sign a team up and connecting through the API. Sign-up and API checks count half each.
| Check | Points | Anthropic | Google Gemini API |
|---|---|---|---|
| Core | 50 | 58 | |
| Agents get the real page, not a bot wall | 12 | ✓ | ✓ |
| robots.txt lets user-triggered agents in | 6 | ✓ | ✓ |
| Answer-engine crawlers are allowed | 4 | ✓ | ✓ |
| Content is in the raw HTML | 6 | ✓ | ✓ |
| Semantic HTML (main, nav, header) | 4 | ✓ | ✓ |
| Icon buttons and links have names | 3 | ✓ | ✓ |
| Form fields have labels | 3 | · | ✓ |
| Images have alt text | 3 | ✓ | ✓ |
| The page has an H1 | 2 | ✓ | ✓ |
| Structured data (JSON-LD) | 5 | · | ✓ |
| Meta description and Open Graph tags | 3 | ✓ | ✓ |
| sitemap.xml | 3 | ✓ | ✓ |
| llms.txt | 4 | ✓ | ✓ |
| Dates show the content is fresh | 2 | · | · |
| Sign-up | 0 | 5 | |
| Public pricing page | 5 | · | ✓ |
| A self-serve sign-up link | 4 | · | · |
| Sign-up page opens for agents | 3 | · | · |
| A free plan or trial | 3 | · | · |
| No card needed to start | 2 | · | · |
| SoftwareApplication data | 3 | · | · |
| API | 7 | 7 | |
| OpenAPI spec | 3.5 | · | · |
| Remote MCP server | 4 | · | · |
| Docs as markdown | 2.5 | ✓ | ✓ |
| Self-serve API keys | 3 | ✓ | ✓ |
| OAuth client self-registration | 2.5 | · | · |
| OAuth discovery metadata | 1.5 | · | · |
| SDKs and a CLI | 1.5 | ✓ | ✓ |
| Free tier or test keys | 1.5 | · | · |
Automated, read-only scan of each homepage, robots.txt, llms.txt, docs, OpenAPI paths and MCP endpoints on 3 Nov 2026. How scoring works.
Check them again today
Sites change. Run the live scan for the current result, or check your own site.
Questions
Is Anthropic or Google Gemini API better for AI agents?
Google Gemini API is more ready for AI agents than Anthropic: 70 vs 57 out of 100. Google Gemini API is ahead on JSON-LD, public pricing and labelled form fields. Scores are from our scan on 3 Nov 2026.
Does Anthropic have an MCP server?
Not one we could find. On 3 Nov 2026 our scan found no remote MCP server for Anthropic at the usual addresses (mcp.anthropic.com/mcp, api.anthropic.com/mcp, the docs host, or any MCP URL linked from its homepage or llms.txt).
Does Google Gemini API have an MCP server?
Not one we could find. On 3 Nov 2026 our scan found no remote MCP server for Google Gemini API at the usual addresses (mcp.ai.google.dev/mcp, api.ai.google.dev/mcp, the docs host, or any MCP URL linked from its homepage or llms.txt).
Does Anthropic block AI agents?
No. Anthropic served its homepage to an AI user-agent and its robots.txt doesn't disallow any of the AI crawlers we check.
Does Google Gemini API block AI agents?
No. Google Gemini API served its homepage to an AI user-agent and its robots.txt doesn't disallow any of the AI crawlers we check.