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v2.6.13 Feature

This release adds 3 notable features 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

agents ai ai-agents developer-tools python

Summary

AI summary

Updates Bug Fixes, New Features, and fix across a mixed release.

Changes in this release

Feature Medium

Sub-agent events now stream to the parent run.

Sub-agent events now stream to the parent run.

Source: llm_adapter@2026-06-11

Confidence: high

Feature Medium

AgentOS registry auto-populates from agents, teams, and workflows.

AgentOS registry auto-populates from agents, teams, and workflows.

Source: llm_adapter@2026-06-11

Confidence: high

Feature Medium

Socket support added for human‑in‑the‑loop workflows.

Socket support added for human‑in‑the‑loop workflows.

Source: llm_adapter@2026-06-11

Confidence: high

Feature Medium

Slack app manifest added for AgentOS interface.

Slack app manifest added for AgentOS interface.

Source: llm_adapter@2026-06-11

Confidence: high

Bugfix Medium

`json_schema` now handles `Optional` dataclass fields without a declared type.

`json_schema` now handles `Optional` dataclass fields without a declared type.

Source: llm_adapter@2026-06-11

Confidence: high

Bugfix Medium

Refreshed `MCPTools` sessions are now closed in the call task.

Refreshed `MCPTools` sessions are now closed in the call task.

Source: llm_adapter@2026-06-11

Confidence: high

Bugfix Medium

Whitespace in tool arguments is now preserved.

Whitespace in tool arguments is now preserved.

Source: llm_adapter@2026-06-11

Confidence: high

Bugfix Medium

Metadata is now included in the content hash, preventing `upsert=False` duplicate collapses.

Metadata is now included in the content hash, preventing `upsert=False` duplicate collapses.

Source: llm_adapter@2026-06-11

Confidence: high

Bugfix Medium

MultiMCP connection failures are cleaned up.

MultiMCP connection failures are cleaned up.

Source: llm_adapter@2026-06-11

Confidence: high

Bugfix Medium

`DaytonaTools` now quotes shell paths.

`DaytonaTools` now quotes shell paths.

Source: llm_adapter@2026-06-11

Confidence: high

Full changelog

Changelog

New Features:

  • Sub-Agent Event Streaming: Sub-agent events from the context provider update tool now stream through to the parent run.
  • AgentOS Registry Auto-Population: The AgentOS registry now auto-populates from agents, teams, and workflows.
  • Workflows HITL over Sockets: Added socket support for human-in-the-loop workflows.
  • Slack App Manifest: Added a Slack app manifest for the AgentOS interface.

Bug Fixes:

  • JSON Schema: json_schema now handles Optional dataclass fields that have no declared type.
  • MCPTools Sessions: Refreshed MCPTools sessions are now closed in the call task.
  • Tool Arguments: Preserve whitespace in tool arguments.
  • Content Hashing: Metadata is now included in the content hash so upsert=False inserts of the same document no longer collapse.
  • MultiMCP: Clean up MultiMCP connection failures.
  • DaytonaTools: Quote shell paths in DaytonaTools.

What's Changed

  • cookbook: fold HTML generation into 01_demo wiki agents by @ashpreetbedi in https://github.com/agno-agi/agno/pull/8272
  • refactor: drop stale Phase 2 labels from decision logs by @ysolanky in https://github.com/agno-agi/agno/pull/8300
  • [fix] Quote DaytonaTools shell paths by @fengjikui in https://github.com/agno-agi/agno/pull/8289
  • [fix] Clean up MultiMCP connection failures by @RitwijParmar in https://github.com/agno-agi/agno/pull/8163
  • fix: include metadata in content hash so upsert=False inserts of the same document don't collapse by @sannya-singal in https://github.com/agno-agi/agno/pull/8310
  • fix: preserve tool argument whitespace by @he-yufeng in https://github.com/agno-agi/agno/pull/8131
  • feat: add Slack app manifest for AgentOS interface by @Mustafa-Esoofally in https://github.com/agno-agi/agno/pull/8327
  • fix: close refreshed MCPTools sessions in call task by @RitwijParmar in https://github.com/agno-agi/agno/pull/8230
  • fix: json_schema handle Optional dataclass fields without a type by @devteamaegis in https://github.com/agno-agi/agno/pull/8329
  • feat: socket support for workflows HITL by @kausmeows in https://github.com/agno-agi/agno/pull/7749
  • feat: auto-populate AgentOS registry from agents, teams, and workflows by @ysolanky in https://github.com/agno-agi/agno/pull/8269
  • feat: stream sub-agent events from context provider update tool by @Mustafa-Esoofally in https://github.com/agno-agi/agno/pull/8348
  • chore: bump version by @kausmeows in https://github.com/agno-agi/agno/pull/8347

New Contributors

  • @fengjikui made their first contribution in https://github.com/agno-agi/agno/pull/8289
  • @RitwijParmar made their first contribution in https://github.com/agno-agi/agno/pull/8163
  • @he-yufeng made their first contribution in https://github.com/agno-agi/agno/pull/8131

Full Changelog: https://github.com/agno-agi/agno/compare/v2.6.12...v2.6.13

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