benchmark

benchmark is a skill for Claude Code from ThinkfleetAI/memmesh. It costs 72 tokens per session (452 once invoked), scanned A, original, Apache-2.0.

Instructions for running MemMesh's comparison tests against memory and retrieval systems such as Mem0, Zep, full-context prompting, and basic retrieval. The tests measure answer quality, calibration, tokens, speed, and cost.

In plain words
What is it for?
Use them to run the LOCOMO or BEAM benchmark, compare available systems, and report accuracy, overconfidence, resource use, and abstentions.
Why use it?
They provide evidence for comparing systems across several measures instead of relying on one accuracy result.

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 Use them to run the LOCOMO or BEAM benchmark, compare available systems, and report accuracy, overconfidence, resource use, and abstentions.

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

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/thinkfleetai/memmesh/benchmark"><img src="https://agentmods.dev/badge/skills/thinkfleetai/memmesh/benchmark.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 72 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 452 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 $0.00072 $0.00452
Opus 5.5 $0.00029 $0.00181
Sonnet 5.5 $0.00014 $0.00090
Haiku 4.5 $0.00007 $0.00045

Measured 1mo ago against content hash 1b4bf7a8c72a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

benchmark 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/benchmark/SKILL.md · 50 lines

What it actually says

benchmark

Put numbers on the comparison. MemMesh ships a real benchmark harness that runs the public LOCOMO dataset end-to-end against competing systems.

What it compares

Systems: thinkfleet (MemMesh) vs full_context vs naive_rag, and — with keys — Mem0 / Zep. Metrics: answer accuracy (rubric-scored), tokens consumed, latency, and cost per conversation.

Run it

The harness lives in the engine repo at crates/eval/competitive/:

cd crates/eval/competitive
python bench.py --systems thinkfleet,mem0,full_context --dataset locomo
# results land in results/

(Set the competitors' API keys via env for a head-to-head; without them you still get MemMesh vs full-context vs naive-RAG.)

Report honestly

MemMesh's positioning is calibration over raw accuracy — "80% means 80%" and honest abstention beat a slightly higher accuracy with overconfident wrong answers. So report the full picture:

  • accuracy and calibration error,
  • tokens / latency / cost (MemMesh's retrieval is far cheaper than full-context),
  • where MemMesh abstained vs. where a competitor answered confidently and wrong.

Don't cherry-pick a single accuracy number. If a competitor wins on one axis, say so, and show where MemMesh's calibration/cost advantage pays off.

Cost gating

Prove the win on the cheap tiers (LOCOMO, BEAM-100K) before spending on BEAM-1M/10M — a single 10M-token conversation is expensive. Escalate tiers only once the cheaper tier shows a clear, defensible lead.

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 · 50 lines · 72 tokens per session scan A 1b4bf7a8c72a

Subscribe to this mod's changes

benchmark is a skill published in the GitHub repository ThinkfleetAI/memmesh (405 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 72 tokens to every session and 452 once invoked, about $0.0003 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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