Managed agent API launch and guide · OpenAI · Intermediate to advanced
You want OpenAI's September 10, 2026 launch guide for building long-running cloud agents with the managed Codex harness, context compaction, tool search, multi-agent delegation, and your choice of hosted or self-managed sandbox.
openai, agents, codex, context compaction, multi-agent
Coding agent guide · OpenAI · Intermediate to advanced
You need lifecycle hooks that run scripts or MCP tools around Codex sessions, prompts, tool calls, compaction, subagents, permissions, validation, logging, or persistent-memory workflows.
openai, codex, hooks, mcp, automation
Prompting guide · Anthropic · Intermediate to advanced
You are testing or migrating to Claude Fable 5.1 and want model-specific guidance for effort, progress updates, tool-call batching, long tasks, compaction, subagents, file edits, and verification.
anthropic, claude fable 5.1, prompting, coding agents, tool use
Guide · OpenAI · Intermediate
You need the official pattern for compressing long agent conversations and preserving the right context instead of letting transcripts grow until quality or cost breaks down.
openai, compaction, context management, long-running agents, reasoning
Guide · xAI · Intermediate to advanced
You want xAI's official guidance for shrinking long conversations into reusable compact state before teaching Grok-heavy agent workflows at scale.
xai, context compaction, agents, long context, cost optimization
Engineering study · Perplexity · Intermediate to advanced
You want a practical primary-source study of co-designing a compact local model and agent harness, including on-demand skills, context compaction, sandboxing, verification, and optional frontier-model escalation.
perplexity, local models, agent harnesses, privacy, sandboxing