Journal

Notes from the tool runtime.

Engineering notes on local API MCP packs, coding agents, version-pinned tools, and docs fallback workflows.

Version-pinned API tools for coding agents

Why Docmancer is moving from docs-only retrieval toward local API MCP packs, and how the keyless Open-Meteo flow shows the shape of the product.

api-mcpcoding-agentslocal-first

Context engineering for coding agents: what the model can see, not what you ask

A concrete framework for context engineering in coding agents. Four context surfaces, token costs per surface, and how to measure retrieval quality before tuning prompts.

context-engineeringcoding-agentsretrieval

Why SQLite FTS5 replaced our vector database

We moved from Qdrant embeddings to SQLite full-text search. Here is what we learned and why retrieval quality held up.

retrievalengineering