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This release adds 1 notable feature for engineering teams evaluating rollout.

✓ No known CVEs patched
Read the diff → Tool health → What is this tool? →

✓ No known CVEs patched in this version

Topics

agentic-ai agentic-coding ai autonomous-agent cli codegolf
+6 more
coding-agent developer-tools harness llm repl sandbox

Affected surfaces

auth

ReleasePort's take

Light signal
editorial:auto 13d

v1.7.0 introduces an optional ~/.mirc JSON configuration file for setting environment variable defaults. This opt-in feature provides a centralized alternative to shell-based env var management.

Why it matters: Optional feature for developers managing environment variables. Test in dev to assess workflow fit. No action required for existing deployments.

Summary

AI summary

Optional JSON config file at ~/.mirc for default env var values.

Changes in this release

Feature Medium

New optional JSON config at ~/.mirc sets environment variable defaults

New optional JSON config at ~/.mirc sets environment variable defaults

Source: llm_adapter@2026-05-21

Confidence: low

Feature Low

Supports optional JSON configuration file at ~/.mirc

Supports optional JSON configuration file at ~/.mirc

Source: granite4.1:30b@2026-05-23-audit

Confidence: low

Feature Low

JSON config keys become default environment variable values

JSON config keys become default environment variable values

Source: granite4.1:30b@2026-05-23-audit

Confidence: low

Feature Low

Shell-defined environment variables override ~/.mirc defaults

Shell-defined environment variables override ~/.mirc defaults

Source: granite4.1:30b@2026-05-23-audit

Confidence: low

Full changelog

~/.mirc config file

Optional JSON config at ~/.mirc — keys become env var defaults. Shell env always wins.

{
  "MODEL": "o3",
  "OPENAI_BASE_URL": "http://localhost:11434",
  "REASONING_EFFORT": "high"
}

Any env var mi reads can be set here: OPENAI_API_KEY, MODEL, OPENAI_BASE_URL, REASONING_EFFORT, SYSTEM_PROMPT.

Zero new lines — still 30 LOC.

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Related context

Earlier breaking changes

  • v1.8.0 Goal tool's `check` parameter now a judge prompt, not bash command.

Beta — feedback welcome: [email protected]