pin

pin is a skill for Claude Code from ThinkfleetAI/memmesh. It costs 53 tokens per session (359 once invoked), scanned A, original, Apache-2.0.

A way to protect an important MemMesh memory from automatic cleanup or consolidation. MemMesh is a memory system for coding agents, and protection is represented by importance and metadata rather than a separate pin switch.

In plain words
What is it for?
Marking a memory as protected or releasing that protection so it can become eligible for later cleanup.
Why use it?
It keeps critical information from being retired, such as architecture decisions, security requirements, or team rules.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the memmesh-plugin plugin — 18 skills, 1 MCP server shipped together

Good fit Marking a memory as protected or releasing that protection so it can become eligible for later cleanup.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/thinkfleetai/memmesh/pin
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.

Any agent
npx skills add ThinkfleetAI/memmesh --skill pin
Clone the repo
git clone --depth 1 https://github.com/ThinkfleetAI/memmesh

Made for: Claude Code.

Or install memmesh-plugin, the plugin that ships this one along with the rest of its 18 skills, 1 MCP server.

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 pin

README.md
[![agentmods](https://agentmods.dev/badge/skills/thinkfleetai/memmesh/pin/github.svg)](https://agentmods.dev/skills/thinkfleetai/memmesh/pin)
Your own site
<a href="https://agentmods.dev/skills/thinkfleetai/memmesh/pin"><img src="https://agentmods.dev/badge/skills/thinkfleetai/memmesh/pin/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for pin

Your own site · 80×15
<a href="https://agentmods.dev/skills/thinkfleetai/memmesh/pin"><img src="https://agentmods.dev/badge/skills/thinkfleetai/memmesh/pin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 359 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00053 $0.00359
Opus 5.5 $0.00021 $0.00144
Sonnet 5.5 $0.00011 $0.00072
Haiku 4.5 $0.00005 $0.00036

Measured 1mo ago against content hash 39941764c338, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

pin 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 1mo 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.

integrations/memmesh-plugin/skills/pin/SKILL.md · 42 lines

What it actually says

pin

Mark a memory as protected. MemMesh has no separate "pinned" flag — pinning is expressed through importance + impact + confirmation, which the dream consolidation pass treats as do-not-retire.

Pin

  1. Find the item (memory_search) and read it (memory_recall).
  2. Re-assert it at maximum durability with memory_save (upsert on the same id):
{ "name": "memory_save",
  "arguments": { "id": "<same id>", "platformId": "local", "scope": "project",
                 "type": "rule", "content": "<verbatim content>",
                 "importance": 10, "metadata": { "pinned": true, "impact": "HIGH" } } }

Setting importance: 10 and metadata.pinned: true is the signal the dream skill checks before deleting/superseding anything.

Unpin

Re-save the same id with importance back to a normal value (≈5) and metadata.pinned: false. The item stays in memory but becomes eligible for consolidation again.

When to pin

Architecture decisions, security constraints, compliance rules, immutable conventions — anything where losing it silently would cause real harm. Don't pin routine preferences; let the engine manage those.

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. 1mo ago First seen · 42 lines · 53 tokens per session scan A 39941764c338

Subscribe to this mod's changes

pin is a skill published in the GitHub repository ThinkfleetAI/memmesh (405 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 53 tokens to every session and 359 once invoked, about $0.0002 per session on Opus 5.5. 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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