Mastering AI Agent Tools: Commands, Permissions, Testing, and Production Operations
Three coding CLIs, three permission models. Cursor agent 2026.01.28, Claude Code 2.1.296, and Codex from OpenAI's docs. Checked 11 October 2026.
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Generative AI
Production-grade guidance on Amazon Bedrock, SageMaker, Amazon Q, and multi-agent AI systems. Covers RAG pipelines, fine-tuning tradeoffs, guardrails, multi-tenant GenAI, and cost optimization for LLM workloads on AWS.
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- palaniappan p7 min
GPT-6 Sol and Luna on Amazon Bedrock (September 2026): Routing Guide
On September 22, 2026 AWS made GPT-6 Sol and GPT-6 Luna generally available on Bedrock. OpenAI’s internal eval found Sol makes about half as many factual mistakes as GPT-5.6 Sol. On September 29 GPT-6.1 Sol followed. Ultrafast mode followed on October 8. Here is the lane routing.
palaniappan p18 minJev (TypeSafe AI) on AWS: When System One Decisions Belong Next to Bedrock (2026)
Checked 11 Oct 2026: Jev 1.13.0 is still $0.042/MTok, now published at 80 requests/s and 100,000 tokens/s. On AWS it remains an external System-1 sidecar next to Amazon Bedrock, not a Bedrock model.
palaniappan p7 minAmazon Bedrock Web Search External Web Access (Aug 19, 2026): Keep Fetch Inside AWS or Go Live
On August 19, 2026 AWS enabled live-web fetch for Bedrock Web Search in 3 US Regions. Default external_web_access is true; AmazonBedrockFullAccess still does not grant ExternalWebAccess — and the 403 does not fail the request.
palaniappan p6 minAmazon Cognito aws-auth Skill: What Agents Can (and Cannot) Configure for You
On Aug 7, 2026, AWS shipped aws-auth as a core Cognito skill in the Agent Toolkit—603 installs on skills.sh within days, 9 reference packs under skills/core-skills/aws-auth, and a hard warning that update-user-pool-client is a full replace.
palaniappan p6 minDynamoDB Vector Search GA (Aug 2026): When to Drop the Sync Pipeline
On August 5, 2026 DynamoDB GA’d native vector search — single-digit ms at 99%+ recall, up to 4096 dims, SearchVectors topK ≤ 100. Decision guide vs S3 Vectors, OpenSearch, and Bedrock Knowledge Bases.
palaniappan p6 minxAI Grok 4.3 on Amazon Bedrock (June 2026): Mantle Routing and Rate-Card Math
On June 15, 2026 Grok 4.3 GA on Bedrock Mantle at $1.25/$2.50 per 1M. On August 19, 2026 Grok 4.6 added Converse + US Geo/Global CRIS at $2.00–$2.20 / $6.00–$6.60. On September 28, 2026 Grok 4.7 shipped at the same rates — do not jump on name alone.
palaniappan p6 minOpenAI GPT-5.6 Luna & Terra Price Cuts on Amazon Bedrock (July 2026)
On July 30, 2026 AWS cut Bedrock on-demand prices 80% for GPT-5.6 Luna and 20% for Terra — Luna is now $0.22/$1.32 per 1M tokens. Here is the routing math and what not to re-price overnight.