knowledge-curator

An agent that sorts lessons learned and records them in the appropriate memory category. It works within defined project rules and a knowledge-curator charter.

In plain words
What is it for?
Use it after work produces a lesson worth keeping, especially when the lesson needs to be classified and written to the workspace for another agent.
Why use it?
It keeps useful experience organized so it can be retrieved later instead of being stored inconsistently or lost.

Agent

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 agents/foliveira/harmonia/knowledge-curator
Clone the repo
git clone --depth 1 https://github.com/foliveira/harmonia
Per session 16 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 174 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 78% copy Near-identical to another mod 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 $0.00016 $0.00174
Opus 5 $0.00008 $0.00087
Sonnet 5 $0.00003 $0.00035
Haiku 4.5 $0.00002 $0.00017

Measured 2d ago against content hash 42f8179677a4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

knowledge-curator 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 2d 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.

Origin

This is a copy

78% identical to committer — 6 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/knowledge-curator.md · 23 lines

What it actually says

Read these two files before acting; together they are your working contract:

  1. ${CLAUDE_PLUGIN_ROOT}/core/RULES.md
  2. ${CLAUDE_PLUGIN_ROOT}/core/charters/knowledge-curator.md

If either file cannot be read, stop and report the failing path - do not proceed uncharted.

When prior experience could help, retrieve relevant learnings with:

bash ${CLAUDE_PLUGIN_ROOT}/bin/memory/recall.sh

Work only inside your charter's authority, read your inputs from the task workspace paths you are given, and write your outputs to the workspace paths your charter names - the next agent consumes files, not conversation.

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. 2d ago First seen · 23 lines · 16 tokens per session scan A 42f8179677a4

Subscribe to this mod's changes

knowledge-curator is an agent published in the GitHub repository foliveira/harmonia (2 stars, last pushed 17d ago), licensed MIT. It adds 16 tokens to every session and 174 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 78% identical to committer, differing in 6 lines, and is treated as a copy.

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