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Engineering notes on code agents, context, and the systems around them.
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How we automated MCP OAuth 2.1 browser testing
Testing the MCP browser authorization flow with a real loopback callback, PKCE, and Playwright.
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05Giving Kimi K3 a faster path through code
Preliminary RepoContextBench results show CodeAlive cutting Kimi Code task time by 31% and answerer token use by 28% with Kimi K3.
CodeAlive 3.0: From Context Engine to Code Research Agent
A look at CodeAlive 3.0: our production context engine, code research agent, RepoContextBench, and the new Tool API and MCP surface.
How CodeAlive MCP evolved: from three tools to a research interface
How CodeAlive MCP changed its tools, retrieval flow, response formats, and error handling on the way to v3.
RepoContextBench: How Qwen 3.6-35B beats Sonnet 4.6
Qwen 3.6-35B A3B scored 77.6 with the CodeAlive agent harness, ahead of Opus 4.8 at 77.45 and Sonnet 4.6 at 71.95.
Canonicalization for small agent LLMs: a practical AX pattern
A scalar string broke a string-array tool call. We fixed it once at the Microsoft Agent Framework invocation boundary.
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