Anthropic Claude API

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Claude family of models for text generation, analysis, and tool use

MCPOpenAPI

[✓]MCP Server→

[✓]OpenAPI Spec

[✗]Accepts MPP

[✗]Accepts x402

[✗]Supports ACP

[✗]Supports UCP

[✗]Skill File

[✗]Plugin Manifest

[✗]llms.txt

[✗]Structured Feed

[✗]Agent Protocol

authAPI Key

onboardingPartial — dashboard signup, then API key

tosNeutral — no bot restrictions

webhooksYes

free tierYes

billingpay-per-token

#llm#text#chat#reasoning#tool-use

https://www.anthropic.com/api