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Give a long-running Claude agent durable memory with the memory tool and shrink its context with the clear_tool_uses context-editing strategy

Write a client-side SSE parser for streamed Claude Messages responses that reassembles text, tool_use input JSON, and thinking blocks

Use Claude extended thinking together with tool use, preserving thinking and redacted_thinking blocks correctly across tool_result turns

Estimate prompt size with the Claude token counting endpoint before sending, to stay inside context windows and rate limits

Pull organization usage and cost reports from the Anthropic Admin API and manage workspaces and API keys programmatically

Pull organization usage and cost reports from the Anthropic Admin API and manage workspaces and API keys programmatically

Make Claude API calls resilient by reading the rate-limit response headers and handling 429 versus 529 with the correct backoff

Connect a remote MCP server directly to the Claude Messages API with the MCP connector, using the current mcp_toolset configuration

Let Claude retrieve and analyze full page or PDF content with the server-side web fetch tool, with domain allowlists, citations, and content caps

Ground Claude's answers in live web results using the server-side web search tool with domain filters, location hints, and usage caps

Attach Anthropic-authored or custom Agent Skills to a Claude Messages request and retrieve the documents the skill generates

Enable Claude's server-side code execution sandbox, reuse the container across turns, and download files the sandbox produced

Upload a file to the Anthropic Files API and reference it in a Messages request as a document, image, or container_upload block