{
    "version": "https://jsonfeed.org/version/1",
    "title": "Anthropic Engineering Blog",
    "home_page_url": "https://www.anthropic.com/engineering",
    "description": "Unofficial RSS feed for the Anthropic Engineering Blog. Automatically generated by crawling anthropic.com/engineering.",
    "author": {
        "name": "Anthropic Engineering",
        "url": "https://www.anthropic.com/engineering"
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    "items": [
        {
            "id": "https://www.anthropic.com/engineering/building-c-compiler",
            "url": "https://www.anthropic.com/engineering/building-c-compiler",
            "title": "Building a C compiler with a team of parallel Claudes",
            "summary": "Tasking Opus 4.6 agent teams to build a C compiler with minimal intervention",
            "date_modified": "2026-02-05T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/AI-resistant-technical-evaluations",
            "url": "https://www.anthropic.com/engineering/AI-resistant-technical-evaluations",
            "title": "Designing AI-resistant technical evaluations",
            "summary": "Lessons from three iterations of a performance engineering take-home exam",
            "date_modified": "2026-01-21T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/demystifying-evals-for-ai-agents",
            "url": "https://www.anthropic.com/engineering/demystifying-evals-for-ai-agents",
            "title": "Demystifying evals for AI agents",
            "summary": "Evaluation strategies for agent systems across different deployments",
            "date_modified": "2026-01-09T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/effective-harnesses-for-long-running-agents",
            "url": "https://www.anthropic.com/engineering/effective-harnesses-for-long-running-agents",
            "title": "Effective harnesses for long-running agents",
            "summary": "Design patterns inspired by human engineers for multi-context-window operations",
            "date_modified": "2025-11-26T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/advanced-tool-use",
            "url": "https://www.anthropic.com/engineering/advanced-tool-use",
            "title": "Introducing advanced tool use on the Claude Developer Platform",
            "summary": "Three new beta features enabling dynamic tool discovery and execution",
            "date_modified": "2025-11-24T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/code-execution-with-mcp",
            "url": "https://www.anthropic.com/engineering/code-execution-with-mcp",
            "title": "Code execution with MCP: Building more efficient agents",
            "summary": "Agent efficiency through code-based tool invocation versus direct definitions",
            "date_modified": "2025-11-04T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/claude-code-sandboxing",
            "url": "https://www.anthropic.com/engineering/claude-code-sandboxing",
            "title": "Beyond permission prompts: making Claude Code more secure and autonomous",
            "date_modified": "2025-10-20T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/effective-context-engineering-for-ai-agents",
            "url": "https://www.anthropic.com/engineering/effective-context-engineering-for-ai-agents",
            "title": "Effective context engineering for AI agents",
            "summary": "Context is a critical but finite resource for AI agents",
            "date_modified": "2025-09-29T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/a-postmortem-of-three-recent-issues",
            "url": "https://www.anthropic.com/engineering/a-postmortem-of-three-recent-issues",
            "title": "A postmortem of three recent issues",
            "date_modified": "2025-09-17T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/writing-tools-for-agents",
            "url": "https://www.anthropic.com/engineering/writing-tools-for-agents",
            "title": "Writing effective tools for agents — with agents",
            "date_modified": "2025-09-11T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/desktop-extensions",
            "url": "https://www.anthropic.com/engineering/desktop-extensions",
            "title": "Desktop Extensions: One-click MCP server installation for Claude Desktop",
            "date_modified": "2025-06-26T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/multi-agent-research-system",
            "url": "https://www.anthropic.com/engineering/multi-agent-research-system",
            "title": "How we built our multi-agent research system",
            "date_modified": "2025-06-13T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/claude-code-best-practices",
            "url": "https://www.anthropic.com/engineering/claude-code-best-practices",
            "title": "Claude Code: Best practices for agentic coding",
            "date_modified": "2025-04-18T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/claude-think-tool",
            "url": "https://www.anthropic.com/engineering/claude-think-tool",
            "title": "The \"think\" tool: Enabling Claude to stop and think in complex tool use situations",
            "date_modified": "2025-03-20T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/swe-bench-sonnet",
            "url": "https://www.anthropic.com/engineering/swe-bench-sonnet",
            "title": "Raising the bar on SWE-bench Verified with Claude 3.5 Sonnet",
            "date_modified": "2025-01-06T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/building-effective-agents",
            "url": "https://www.anthropic.com/engineering/building-effective-agents",
            "title": "Building effective agents",
            "summary": "The most successful agent implementations use simple, composable patterns rather than complex frameworks",
            "date_modified": "2024-12-19T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/contextual-retrieval",
            "url": "https://www.anthropic.com/engineering/contextual-retrieval",
            "title": "Introducing Contextual Retrieval",
            "date_modified": "2024-09-19T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/infrastructure-noise",
            "url": "https://www.anthropic.com/engineering/infrastructure-noise",
            "title": "Quantifying infrastructure noise in agentic coding evals",
            "summary": "Infrastructure configuration can swing agentic coding benchmarks by several percentage points—sometimes more than the leaderboard gap between top models.",
            "date_modified": "2026-03-13T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/eval-awareness-browsecomp",
            "url": "https://www.anthropic.com/engineering/eval-awareness-browsecomp",
            "title": "Eval awareness in Claude Opus 4.6's BrowseComp performance",
            "summary": "Cases where the model recognized test environments and accessed encrypted answers",
            "date_modified": "2026-03-13T00:00:00.000Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/harness-design-long-running-apps",
            "url": "https://www.anthropic.com/engineering/harness-design-long-running-apps",
            "title": "Harness design for long-running application development",
            "date_modified": "2026-03-24T18:27:06.890Z"
        },
        {
            "id": "https://www.anthropic.com/engineering/claude-code-auto-mode",
            "url": "https://www.anthropic.com/engineering/claude-code-auto-mode",
            "title": "Claude Code auto mode: a safer way to skip permissions",
            "date_modified": "2026-03-26T00:43:37.690Z"
        }
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}