mem0

vopencode-v0.1.3 scope: opencode Feature

This release adds 4 notable features for engineering teams evaluating rollout.

Published 1mo AI Agents & Assistants

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Topics

agents ai ai-agents application chatbots chatgpt

+7 more

genai llm long-term-memory memory memory-management python state-management

Affected surfaces

auth

Summary

AI summary

Updates Mem0 OpenCode Plugin, v0.1.3, and apiKey across a mixed release.

Changes in this release

Type	Severity	Summary	CVE
Feature
Feature	Low	Adds file-context injection before reading files (>=1500 bytes). Adds file-context injection before reading files (>=1500 bytes). Source: llm_adapter@2026-06-13 Confidence: high	—
Feature	Low	Adds stop‑hook session summary with structured metadata. Adds stop‑hook session summary with structured metadata. Source: llm_adapter@2026-06-13 Confidence: high	—
Feature	Low	Adds SessionStart activity timeline showing type icons and age labels. Adds SessionStart activity timeline showing type icons and age labels. Source: llm_adapter@2026-06-13 Confidence: high	—
Feature	Low	Adds PostHog anonymous telemetry for usage events (opt‑out via MEM0_TELEMETRY). Adds PostHog anonymous telemetry for usage events (opt‑out via MEM0_TELEMETRY). Source: llm_adapter@2026-06-13 Confidence: high	—
Refactor	Low	Changes `experimental.session.compacting` handler metadata types and source tag. Changes `experimental.session.compacting` handler metadata types and source tag. Source: llm_adapter@2026-06-13 Confidence: high	—
Refactor	Low	Updates initial context formatting to include type icons and age labels. Updates initial context formatting to include type icons and age labels. Source: llm_adapter@2026-06-13 Confidence: high	—

Full changelog

Mem0 OpenCode Plugin (v0.1.3)

Added

File-context injection (tool.execute.before / Read): Before the agent reads a file, the plugin searches mem0 for memories referencing that file path and injects prior work as system context. Gates on file size (>= 1,500 bytes). Gives the agent "I've worked on this file before" awareness automatically.
Stop hook session summary (experimental.session.compacting): Enhanced session compaction to store a structured session_summary memory with infer=True, letting the mem0 backend AI extract key facts (request, decisions, learnings, next steps). Previously only stored a raw stats string.
SessionStart activity timeline: The initial memory loading now formats recent memories with type icons (⚖️ decision, 🔴 bug_fix, 🔵 task_learning, etc.) and relative age indicators (2h ago, 1d ago) instead of bare text. Provides a visual "Recent Activity" timeline on first message.
PostHog telemetry (telemetry.ts): Anonymous, fire-and-forget usage events. Opt out with MEM0_TELEMETRY=false. Only fires when an API key is present; never sends memory content, prompts, or the API key — only an anonymized sha256(apiKey)[:32] identity plus event type, platform, and plugin version. Emits the same schema as the Mem0 editor plugin (plugin.* events, source: "plugin", platform: "opencode") so OpenCode appears as a platform in the shared plugin dashboard. Events: plugin.session_start (with memory count) and plugin.tool_use (add / search / update / delete).

Changed

experimental.session.compacting handler: Now stores metadata.type=session_summary with metadata.source=opencode-stop instead of metadata.type=session_state with metadata.source=pre-compaction. Includes a structured prompt that instructs mem0's AI to extract request, decisions, learnings, and next steps.
Initial context formatting: Memories shown on first message now include type icons and age labels for quick scanning.

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