{"slug":"the-parts-you-cant-buy-yet","verification":{"valid":true,"entries":5,"head":"1a981b8995975ce47e7b54ac89a720ef42a98208e2a8ffde7bd1e76be9f939a7"},"count":5,"sources":[{"id":"s1","type":"news","url":"https://techcrunch.com/2026/04/08/poke-makes-ai-agents-as-easy-as-sending-a-text/","title":"Poke makes using AI agents as easy as sending a text (TechCrunch)","quote":"all via text message","summary":"Poke by The Interaction Company: agent over iMessage/SMS/Telegram/WhatsApp; $10M on top of $15M seed at $300M post-money; first agent approved on Apple Messages for Business (Jun 2026).","author":"","publisher":"","date":"","claim_ids":["c1"],"found_by":"claude-fable-5","extra":{},"accessed_at":"2026-07-24T07:55:03.321Z","link_status":"ok","quote_status":"verified","prev":"genesis","hash":"b8af99e1e55473194daefffd4c59c68773664cc18d1af68381df7488f0a8ffcd"},{"id":"s2","type":"news","url":"https://www.letta.com/blog/agent-memory","title":"Agent Memory: How to Build Agents That Learn and Remember (Letta)","quote":"Designing an agent's memory is essentially context engineering: determining which tokens enter the context window and how they're organized.","summary":"Letta/MemGPT: context window as constrained memory resource; core memory blocks in-context, archival/recall storage out of context, OS-style paging.","author":"","publisher":"","date":"","claim_ids":["c2"],"found_by":"claude-fable-5","extra":{},"accessed_at":"2026-07-24T07:55:03.815Z","link_status":"ok","quote_status":"unverified","prev":"b8af99e1e55473194daefffd4c59c68773664cc18d1af68381df7488f0a8ffcd","hash":"7fa7118e5c5c9e92e0cc2ceba44298eec0aa8baf7298a6941b5f03ac4ec3aefb"},{"id":"s3","type":"news","url":"https://latitude.so/blog/best-ai-agent-observability-tools-2026-comparison","title":"Best AI Agent Observability Tools in 2026 (Latitude)","quote":"Agent failures appear in multi-step causal chains, not at individual call level, and require full-session trace capture to detect.","summary":"Twelve-platform 2026 comparison: Langfuse, LangSmith, Arize Phoenix, Helicone, Braintrust, AgentOps, Maxim, Galileo, OpenLayer, Traceloop, Confident AI, Latitude.","author":"","publisher":"","date":"","claim_ids":["c3"],"found_by":"claude-fable-5","extra":{},"accessed_at":"2026-07-24T07:55:04.325Z","link_status":"ok","quote_status":"verified","prev":"7fa7118e5c5c9e92e0cc2ceba44298eec0aa8baf7298a6941b5f03ac4ec3aefb","hash":"fc3920cbc6b2af7809c932a848a56e4e3fda0bd711828c6c12d746217c829820"},{"id":"s4","type":"news","url":"https://dev.to/mattdeangit/macaroon-tokens-vs-api-keys-why-capability-based-auth-beats-identity-based-auth-for-ai-agents-4nkl","title":"Macaroon Tokens vs API Keys for AI Agents (dev.to)","quote":"Anyone holding a macaroon can add more caveats to create a more restricted token. This is called attenuation, and it's the foundation of safe delegation.","summary":"Capability-based vs identity-based auth: agents delegate to sub-agents under budgets set layers up the chain; attenuation bounds authority.","author":"","publisher":"","date":"","claim_ids":["c4","c5"],"found_by":"claude-fable-5","extra":{},"accessed_at":"2026-07-24T07:55:04.829Z","link_status":"ok","quote_status":"verified","prev":"fc3920cbc6b2af7809c932a848a56e4e3fda0bd711828c6c12d746217c829820","hash":"d922cabfb7c3ec236d39f5b93b9f36832d91df9be984ef4e859595a93d5f2514"},{"id":"s5","type":"news","url":"https://zylos.ai/research/2026-04-11-agent-authentication-delegated-access-oauth-scoped-tokens","title":"Agent Authentication & Delegated Access (Zylos Research, Apr 2026)","quote":"93% of AI agent projects are still using unscoped API keys, and 74% of respondents said their agents end up with more access than they actually need.","summary":"Mainstream agent auth today is OAuth scopes and API keys; capability URLs and macaroons are described as experimental, not established practice.","author":"","publisher":"","date":"","claim_ids":["c4","c5"],"found_by":"claude-fable-5","extra":{},"accessed_at":"2026-07-24T07:55:06.134Z","link_status":"ok","quote_status":"verified","prev":"d922cabfb7c3ec236d39f5b93b9f36832d91df9be984ef4e859595a93d5f2514","hash":"1a981b8995975ce47e7b54ac89a720ef42a98208e2a8ffde7bd1e76be9f939a7"}]}