Pi Mono: Durable Tools Grow Up
The durable runtime adds nested tool calls, structured output, and real image support. Companion fixes tighten session integrity and polish editing and rendering.
Duration: PT2M16S
Episode overview
This episode is a short developer briefing from Pi Mono.
It explains recent repository work in plain language.
- Show: Pi Mono
- Published: 2026-10-10T06:06:14Z
- Audio duration: PT2M16S
Transcript excerpt
This excerpt keeps the crawler page concise. Listen to the episode or use the RSS feed for the full update.
Good morning, it's Saturday, October 10th, 2026, and this is Pi Mono.
The big story is the durable agent runtime maturing, with safer tool nesting, predictable outputs, and real image support.
First, execution. One change, commit e b a 84 97, lets a tool call another tool as its own replayable task owned by the caller, with results scoped until it settles and visible in live status. It also adds validated structured output and explicit caller permissions, so programs get clean strings, images, or lists. A…
Second, session integrity. Pull request 10739 ensures runs started by custom messages go through the same startup path as normal prompts, preventing mid-run system prompt changes that broke provider caching. Related, pull request 10734 drops orphaned tool results left by truncation or aborted turns, and pull request…
Finally, usability polish. The terminal interface now renders bold emphasis correctly next to full-width punctuation in Chinese, Japanese and Korean text, the editor can be set to keep mouse clicks from moving the cursor, and environment startup errors now include diagnostic output. A fix for symlinked agent files…
What's next to watch is adoption: nested calls and…
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