50 pages for system.

mid-conversation-system-messages Claude Developer Platform · title build-with-claude/mid-conversation-system-messages Modifying system prompts Claude Code CLI · title agent-sdk/modifying-system-prompts Desktop and filesystem access Claude Documentation · title third-party/claude-desktop/local-access SDK Tiering System Model Context Protocol · title community/sdk-tiers Filesystems Charter Model Context Protocol · title community/working-groups/filesystems SEP-1730: SDKs Tiering System Model Context Protocol · title seps/1730-sdks-tiering-system claude-fable-5 Claude Developer Platform · path release-notes/system-prompts/claude-fable-5 claude-fable-5-1 Claude Developer Platform · path release-notes/system-prompts/claude-fable-5-1 claude-haiku-3 Claude Developer Platform · path release-notes/system-prompts/claude-haiku-3 claude-haiku-3-5 Claude Developer Platform · path release-notes/system-prompts/claude-haiku-3-5 claude-haiku-4-5 Claude Developer Platform · path release-notes/system-prompts/claude-haiku-4-5 claude-opus-3 Claude Developer Platform · path release-notes/system-prompts/claude-opus-3 claude-opus-4 Claude Developer Platform · path release-notes/system-prompts/claude-opus-4 claude-opus-4-1 Claude Developer Platform · path release-notes/system-prompts/claude-opus-4-1 claude-opus-4-5 Claude Developer Platform · path release-notes/system-prompts/claude-opus-4-5 claude-opus-4-6 Claude Developer Platform · path release-notes/system-prompts/claude-opus-4-6 claude-opus-4-7 Claude Developer Platform · path release-notes/system-prompts/claude-opus-4-7 claude-opus-4-8 Claude Developer Platform · path release-notes/system-prompts/claude-opus-4-8 claude-opus-5 Claude Developer Platform · path release-notes/system-prompts/claude-opus-5 claude-sonnet-3-5 Claude Developer Platform · path release-notes/system-prompts/claude-sonnet-3-5 claude-sonnet-3-7 Claude Developer Platform · path release-notes/system-prompts/claude-sonnet-3-7 claude-sonnet-4 Claude Developer Platform · path release-notes/system-prompts/claude-sonnet-4 claude-sonnet-4-5 Claude Developer Platform · path release-notes/system-prompts/claude-sonnet-4-5 claude-sonnet-4-6 Claude Developer Platform · path release-notes/system-prompts/claude-sonnet-4-6 overview Claude Developer Platform · path release-notes/system-prompts/overview glossary Claude Developer Platform · in the page about-claude/glossary …connect AI models to different data sources and tools. MCP enables AI systems to maintain consistent context across interactions and access external resources in a standardized manner. See the [MCP do… choosing-a-model Claude Developer Platform · in the page about-claude/models/choosing-a-model …Multihour autonomous coding agents, large-scale refactoring, complex systems engineering, vision-heavy workflows, computer use | | Speed and capability for everyday coding, agent, and enterprise w… Or, for the model with the same capabilities and no access approval requirement: Claude Developer Platform · in the page about-claude/models/migration-guide …*Prefill:** Prefilling the assistant message returns a 400 error. Use system prompt instructions instead. * **Context window and output:** A [1M token context window](https://platform.claude.com/docs/… optimizing-for-cost-and-intelligence Claude Developer Platform · in the page about-claude/models/optimizing-for-cost-and-intelligence …very turn of an agentic task resends the entire growing conversation: system prompt, tool definitions, and every prior turn. A 40-turn task sends its first turn 40 times, so task cost grows with rough… pricing Claude Developer Platform · in the page about-claude/pricing …your prompt across API calls. Instead of reprocessing the same large system prompt, document, or conversation history on every request, the API reads from cache at a fraction of the standard input pr… commerce-agents Claude Developer Platform · in the page about-claude/use-case-guides/commerce-agents …a Claude Code plugin that scaffolds the same design against your own systems. The code, setup instructions, and safety documentation are in the [Claude for commerce repository on GitHub](https://git… content-moderation Claude Developer Platform · in the page about-claude/use-case-guides/content-moderation …g resources, ML expertise, and infrastructure costs. Human moderation systems incur even higher costs. With Claude, you can have a sophisticated moderation system operational in significantly less tim… customer-support-chat Claude Developer Platform · in the page about-claude/use-case-guides/customer-support-chat …. Start by writing the elements of a strong prompt, beginning with a system prompt. Create a file called `config.py` and add each of the following blocks to it: ```python IDENTITY = """You are Eva,… Create the full URL from the GitHub repository Claude Developer Platform · in the page about-claude/use-case-guides/legal-summarization …s.create( model=model, max_tokens=max_tokens, system="You are a legal analyst specializing in real estate law, known for highly accurate and detailed summaries of sublease agre… Create an instance of the Claude API client Claude Developer Platform · in the page about-claude/use-case-guides/ticket-routing …ed * Access to, and familiarity with, your existing support ticketing system * A sample set of historical support tickets for testing ## Define whether to use Claude for ticket routing Here are some… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/best-practices …t window with everything else Claude needs to know, including: * The system prompt * Conversation history * Other Skills' metadata * Your actual request Not every token in your Skill has an immediat… claude-api-skill Claude Developer Platform · in the page agents-and-tools/agent-skills/claude-api-skill …the mandatory **Agent (once) → Session (every run)** flow: `model`, `system`, and `tools` live on the agent, never on the session, and agents should be created once and referenced by ID. Managed Age… enterprise Claude Developer Platform · in the page agents-and-tools/agent-skills/enterprise …| High: secrets exposed in Git history and context window | | Filesystem access scope | Paths outside the Skill directory, broad glob patterns, path traversal (`../`) | Medi… PDF Processing Claude Developer Platform · in the page agents-and-tools/agent-skills/overview …data-retention). </Note> ## Why use Skills Skills are reusable, filesystem-based resources that give Claude domain-specific expertise: workflows, context, and best practices that turn a general-purp… quickstart Claude Developer Platform · in the page agents-and-tools/agent-skills/quickstart …nd download the file with the Files API. The example saves it to your system temp directory: <CodeGroup> ```bash cURL # Extract the file ID. The code execution tool runs the Skill's code through… mcp-connector Claude Developer Platform · in the page agents-and-tools/mcp-connector …tool. You can steer how readily Claude calls MCP tools through your system prompt. See [When Claude uses tools](https://platform.claude.com/docs/en/agents-and-tools/tool-use/overview#when-claude-use… Edit docker-compose.yaml: increment the integer in the setup service's Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/deploy-compose …SHA-256 digest, runs every container as non-root with a read-only filesystem, drops all Linux capabilities, and disables privilege escalation. ```bash cat > docker-compose.yaml <<'EOF… deploy-helm Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/deploy-helm …--------------------------------------------- | | Subject | `system:serviceaccount:mcp-tunnel:mcp-tunnel-setup` | | Audience | `api.anthropic.com` (the chart's default; no scheme) |… reference Claude Developer Platform · in the page agents-and-tools/mcp-tunnels/reference …| | `upstream.tls.include_system_cas` | Also trust the system CA bundle for upstream TLS.… advisor-tool Claude Developer Platform · in the page agents-and-tools/tool-use/advisor-tool …model server-side. The advisor runs under its own Anthropic-supplied system prompt and receives the executor's full transcript as quoted context in its input. That transcript includes your system pro… bash-tool Claude Developer Platform · in the page agents-and-tools/tool-use/bash-tool …ent workflows:** Run build commands, tests, and development tools * **System automation:** Execute scripts, manage files, automate tasks * **Data processing:** Process files, run analysis scripts, man… browser-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/browser-use-tool …esh profile that holds no credentials, and no access to sensitive filesystems or internal networks; isolate any tool you run alongside it the same way. 2. Restrict the hosts the browser can reach to… build-a-tool-using-agent Claude Developer Platform · in the page agents-and-tools/tool-use/build-a-tool-using-agent …(echo "$TOOL_USE" | jq -c '.input')" # Execute the tool. In a real system this would call your calendar API. # Here the result is hardcoded to keep the example self-contained. RESULT='{"event_i… code-execution-tool Claude Developer Platform · in the page agents-and-tools/tool-use/code-execution-tool …nalyze data, create visualizations, perform complex calculations, run system commands, create and edit files, and process uploaded files directly within the API conversation. The code execution tool a… computer-use-tool Claude Developer Platform · in the page agents-and-tools/tool-use/computer-use-tool …irtual machine or container with minimal privileges to prevent direct system attacks or accidents. 2. Avoiding giving the model access to sensitive data, such as account login information, to preven…