Engineering

Every post tagged “Engineering”

August 2026 · Engineering

The Build-Versus-Buy Line Moved

Four months ago we argued that building our own tool fleet was worth it. This is the audit — what the commercial equivalents would cost, what our fleet actually costs to run, and what it cost to build.

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July 2026 · Engineering

Roost: One Hub, Every Session

How we replaced hundreds of duplicate MCP server processes with one shared hub — designed, built by three AI agents, shipped, and battle-hardened in a single day.

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April 2026 · Infrastructure

Foundry: AWS Infrastructure as AI

boto3 provisioning, CloudFormation-shaped types, drift detection, org-wide inventory, Trusted-Advisor parity, compliance packs, cost, IP space — and 43 MCP tools. One tool, one WebSocket, every AWS concern covered.

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April 2026 · Engineering

Chirp: Team Chat That Talks to Your Agents

Self-hosted Slack replacement with a first-class bidirectional Claude Code session bridge. 69 MCP tools, fleet integrations, and embeddable chat surfaces.

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April 2026 · Observability

Six Names for One Observability Story

Vigil, Chronicle, Pulse, Docket, BugReporter, Chirp. Each watches something different. All talk to each other. Together they make one team-of-two observability stack we'd take over Datadog.

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April 2026 · Engineering

Codex: Your Team's Knowledge, Always Findable

Why we built a wiki from scratch instead of using Confluence, Notion, or GitBook. Hierarchical pages, version history, wiki-links, and 93 MCP tools.

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April 2026 · Engineering

Building renkara.com: Static HTML in the Age of AI

54 pages, WebGL particles, an 18-year timeline with 60+ milestones, 14 tool showcases, and not a single framework. How we built a corporate site that loads in under 2 seconds.

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April 2026 · Engineering

16 Tools, One Platform: Building Renkara's Internal Tool Fleet

Why we built every operational tool ourselves, and what happens when 19 applications share authentication, database, cache, and 734 MCP tools.

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