Dev.to
7/9/2026

Run Amazon Bedrock locally, with real completions from Ollama
Short summary
MiniStack 1.4.0 emulates Amazon Bedrock locally across four services covering 169 operations, with deterministic mock responses that match each model family's wire format. Setting one environment variable proxies requests through Ollama or any OpenAI-compatible endpoint for real completions with zero cloud cost or network calls. The tool silently falls back to mocks when the proxy is unreachable, making it safe for CI pipelines.
- •MiniStack 1.4.0 emulates Bedrock, bedrock-agent, and bedrock-agent-runtime locally with 169 verified operations
- •One env var proxies to Ollama/llama.cpp/vLLM for real completions; falls back to shape-correct mocks automatically
- •MIT-licensed, CI-safe, works with unchanged AWS SDK and real streaming event formats
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