Building the unglamorous systems that keep the numbers honesthttps://unglamorous.systems/https://unglamorous.systems/writing/mcp-telemetry-part-1/https://unglamorous.systems/writing/mcp-telemetry-part-1/Part 1 of 3. 98.9% of calls to our MCP server succeeded, and agents were still working around it. What PostHog's MCP analytics showed us in the first four weeks, and the three fixes that came out of it.Mon, 19 Oct 2026 00:00:00 GMThttps://unglamorous.systems/writing/keeping-the-numbers-honest/https://unglamorous.systems/writing/keeping-the-numbers-honest/Numbers don't need a liar to drift. They go wrong on their own — and the job is to build the systems that catch them before anyone reports them.Thu, 04 Jun 2026 00:00:00 GMThttps://unglamorous.systems/writing/the-realization-rate-haircut/https://unglamorous.systems/writing/the-realization-rate-haircut/Bookings are a promise; revenue is a fact. The discipline of a single, honestly-applied realization rate is what keeps the two from being confused.Wed, 20 May 2026 00:00:00 GMT