memory-and-handoff

memory-and-handoff is a skill for Claude Code, Codex from romiluz13/cc10x. It costs 70 tokens per session (2,263 once invoked), scanned A, original, MIT.

A two-part skill for saving durable project notes and preparing a secrets-redacted handoff package for another person, tool, or session.

In plain words
What is it for?
Maintaining workflow state in .cc10x files and exporting a portable summary that another worker can continue from.
Why use it?
It prevents important decisions, progress, and working conventions from being lost when a session ends or its context is shortened.

Skill for Claude CodeCodex

Part of the cc10x plugin — 21 skills, 11 agents, 10 hooks shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/romiluz13/cc10x/memory-and-handoff
Any agent
npx skills add romiluz13/cc10x --skill memory-and-handoff
Clone the repo
git clone --depth 1 https://github.com/romiluz13/cc10x

Made for: Claude Code, Codex.

Or install cc10x, the plugin that ships this one along with the rest of its 21 skills, 11 agents, 10 hooks.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for memory-and-handoff

README.md
[![agentmods](https://agentmods.dev/badge/skills/romiluz13/cc10x/memory-and-handoff.svg)](https://agentmods.dev/skills/romiluz13/cc10x/memory-and-handoff)
Your own site
<a href="https://agentmods.dev/skills/romiluz13/cc10x/memory-and-handoff"><img src="https://agentmods.dev/badge/skills/romiluz13/cc10x/memory-and-handoff.svg" alt="Measured on agentmods" height="20"></a>
Per session 70 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,263 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00070 $0.02263
Opus 5 $0.00035 $0.01131
Sonnet 5 $0.00014 $0.00453
Haiku 4.5 $0.00007 $0.00226

Measured 5d ago against content hash 50e3bdddcb66, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

memory-and-handoff scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/cc10x/skills/memory-and-handoff/SKILL.md · 176 lines

How it starts

The opening of the file, as written. The whole thing — 176 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Memory & Handoff

Reference Files

Read only what's needed:

  • references/memory-model-and-ownership.md — memory surfaces, ownership, promotion, workflow markers; load when deciding which surface holds a piece of state or who may write it
  • references/memory-operations.md — permission-free operations, router-only persistence, edit patterns; load when actually reading or writing .cc10x/ files
  • references/memory-file-contracts.md — required headings, stable anchors, templates, auto-heal rules; load when creating a memory file or healing a malformed one
  • references/context-budget-and-checkpointing.md — context-budget rules, warning signs, checkpoint triggers; load when context is getting heavy or before a compaction/checkpoint decision

Mode: SESSION MEMORY

Memory is an index, not a transcript. Distill decisions, learnings, references, and verification evidence into durable, reusable notes.

Memory Surfaces

File Holds
.cc10x/activeContext.md current focus, recent changes, decisions, learnings, references, blockers
.cc10x/patterns.md reusable project standards, gotchas, conventions, skill hints
.cc10x/progress.md current workflow, tasks snapshot, completed items, verification evidence
.cc10x/workflows/{wf}.json + .events.jsonl durable orchestration truth (machine-owned, verbatim)
docs/plans/*, docs/research/* detailed artifacts; memory points to them

Ownership

  • Router loads and auto-heals memory files before routing or resume
  • WRITE agents read memory but do NOT edit .cc10x/*.md (sole carve-out: bug-investigator's [DEBUG-N] lines)
  • WRITE agents emit structured MEMORY_NOTES in their Router Contract
  • READ-ONLY agents emit ### Memory Notes (For Workflow-Final Persistence)
  • Router-owned memory-finalize task is the only final writer of memory markdown files
  • Router-owned markers ([DEBUG-RESET: wf:{...}], [cc10x-internal] memory_task_id) are read and respected; agents do not invent replacements

Read the full file on GitHub · 176 lines

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 176 lines · 70 tokens per session scan A 50e3bdddcb66

Subscribe to this mod's changes

memory-and-handoff is a skill published in the GitHub repository romiluz13/cc10x (164 stars, last pushed 1mo ago), licensed MIT. It adds 70 tokens to every session and 2,263 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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