mastermind-activity

mastermind-activity is a skill for Claude Code, Codex from monoes/monomind. It costs 40 tokens per session (1,740 once invoked), scanned A, original, Apache-2.0.

An activity feed for an organisation that records recent events involving issues, projects, goals, agents, routines, approvals, and workspaces.

In plain words
What is it for?
It helps list, filter, export, and summarise organisation events by type, actor, or time range.
Why use it?
It gives teams one place to review what changed, who or what caused it, and when it happened.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

Good fit It helps list, filter, export, and summarise organisation events by type, actor, or time range.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/monoes/monomind/mastermind-activity
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 monoes/monomind --skill mastermind-activity
Clone the repo
git clone --depth 1 https://github.com/monoes/monomind

Made for: Claude Code, Codex.

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 mastermind-activity

README.md
[![agentmods](https://agentmods.dev/badge/skills/monoes/monomind/mastermind-activity/github.svg)](https://agentmods.dev/skills/monoes/monomind/mastermind-activity)
Your own site
<a href="https://agentmods.dev/skills/monoes/monomind/mastermind-activity"><img src="https://agentmods.dev/badge/skills/monoes/monomind/mastermind-activity/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 mastermind-activity

Your own site · 80×15
<a href="https://agentmods.dev/skills/monoes/monomind/mastermind-activity"><img src="https://agentmods.dev/badge/skills/monoes/monomind/mastermind-activity.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,740 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.
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 $0.00040 $0.01740
Opus 5.5 $0.00016 $0.00696
Sonnet 5.5 $0.00008 $0.00348
Haiku 4.5 $0.00004 $0.00174

Measured 2d ago against content hash 56e17c37cd31, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mastermind-activity 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.

.agents/skills/mastermind-activity/SKILL.md · 193 lines

How it starts

The opening of the file, as written. The whole thing — 193 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Mastermind Activity

This skill is invoked directly via /mastermind-activity.


Inputs

  • brain_context: BRAIN CONTEXT block (injected by command, or loaded below if standalone)
  • org_name: org to query (required)
  • action: list | filter | export | stats
  • entity_type: issue | project | goal | agent | routine | all (default: all)
  • actor_id: filter by agent or user id (optional)
  • limit: max events to show (default: 50, max: 200)
  • since: ISO timestamp — show events after this time (optional)
  • output_file: file path to export JSONL (for export action)
  • caller: command | master

Event Entity Types

Type Description
issue Issue created, status changed, assigned, closed
project Project created, updated, archived
goal Goal created, progress updated, closed
agent Agent started, stopped, errored, completed
routine Routine triggered, run started, run completed
approval Approval requested, approved, rejected
workspace Workspace provisioned, teardown

Step 0 — Brain Load (standalone only)

If caller is not "command", load brain context following mastermind-protocol/SKILL.md Brain Load Procedure with namespace: ops.


Step 1 — Load Activity Log

orgFile=".monomind/orgs/${org_name}.json"
[ ! -f "$orgFile" ] && { echo "ERROR: Org '${org_name}' not found."; exit 1; }

activityFile=".monomind/orgs/${org_name}-activity.jsonl"
limit="${limit:-50}"
entityType="${entity_type:-all}"

Step 2 — Execute Action

list (default)

echo "ACTIVITY — org: $org_name"
echo "  Filter: type=${entityType}  limit=${limit}${actor_id:+  actor=${actor_id}}${since:+  since=${since}}"
echo "────────────────────────────────────────────────────────"
printf "%-20s %-12s %-14s %-24s %s\n" "TIMESTAMP" "ENTITY TYPE" "ACTOR" "ENTITY" "EVENT"
echo "────────────────────────────────────────────────────────"

if [ ! -f "$activityFile" ]; then
  # Fall back to mastermind-events.jsonl
  eventSrc="data/mastermind-events.jsonl"
  if [ ! -f "$eventSrc" ]; then
    echo "  No activity log found. Activity is written when agents run."
    exit 0
  fi
  activityFile="$eventSrc"
fi

tail -${limit} "$activityFile" | while IFS= read -r line; do
  et=$(echo "$line" | jq -r '.entityType // .type // "unknown"')
  actor=$(echo "$line" | jq -r '.actorId // .actor // "-"' | cut -c1-12)
  entity=$(echo "$line" | jq -r '(.entityId // .entity // "-")' | cut -c1-22)
  event=$(echo "$line" | jq -r '.event // .action // .type // "-"')
  ts=$(echo "$line" | jq -r '.ts // .timestamp // .createdAt // "-"' | cut -c1-19)

  # Apply filters
  [ "$entityType" != "all" ] && [ "$et" != "$entityType" ] && continue
  [ -n "$actor_id" ] && [ "$actor" != "$actor_id" ] && continue
  [ -n "$since" ] && [ "$ts" \< "$since" ] && continue

  printf "%-20s %-12s %-14s %-24s %s\n" "$ts" "$et" "$actor" "$entity" "$event"
done

echo ""
echo "  Showing last $limit events. Use --limit N for more (max 200)."

Read the full file on GitHub · 193 lines

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 · 193 lines · 40 tokens per session scan A 56e17c37cd31

Subscribe to this mod's changes

mastermind-activity is a skill published in the GitHub repository monoes/monomind (23 stars, last pushed 2d ago), licensed Apache-2.0. It adds 40 tokens to every session and 1,740 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 2026-10-26.

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