mastermind-threads

mastermind-threads is a skill for Claude Code, Codex from monoes/monomind. It costs 39 tokens per session (1,945 once invoked), scanned A, original, Apache-2.0.

A tool for listing, viewing, creating, and replying to discussion threads attached to an organization, issue, or goal. It stores these conversations in local JSONL files, where each line is a separate record.

In plain words
What is it for?
Find threads, filter them by issue, inspect a conversation, or add a new message from a person or agent.
Why use it?
It keeps decisions and discussion tied to the work they concern instead of leaving them in an unrelated chat or document.

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 Find threads, filter them by issue, inspect a conversation, or add a new message from a person or agent.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/monoes/monomind/mastermind-threads
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-threads
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-threads

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/monoes/monomind/mastermind-threads"><img src="https://agentmods.dev/badge/skills/monoes/monomind/mastermind-threads.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,945 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 $0.00039 $0.01945
Opus 5.5 $0.00016 $0.00778
Sonnet 5.5 $0.00008 $0.00389
Haiku 4.5 $0.00004 $0.00194

Measured 2d ago against content hash c44c57a26d74, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mastermind-threads 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-threads/SKILL.md · 261 lines

How it starts

The opening of the file, as written. The whole thing — 261 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Mastermind Threads

This skill is invoked directly via /mastermind-threads.


Inputs

  • brain_context: BRAIN CONTEXT block (injected by command, or loaded below if standalone)
  • org_name: org to query (required)
  • action: list | view | create | reply
  • thread_id: thread ID (required for view/reply)
  • issue_id: filter by issue ID (optional)
  • message: message body (required for create/reply)
  • author: author name or agent ID (default: current user)
  • limit: max threads to show (default: 20)
  • caller: command | master

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 Threads File

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

threadsFile=".monomind/orgs/${org_name}-threads.jsonl"
limit="${limit:-20}"

Step 2 — Execute Action

list (default)

echo "THREADS — $org_name"
echo "────────────────────────────────────────────────────────"

if [ ! -f "$threadsFile" ] || [ ! -s "$threadsFile" ]; then
  echo "  No threads found."
  echo ""
  echo "  Create: /mastermind-threads --org $org_name --action create --message 'Hello team'"
  exit 0
fi

python3 - "$threadsFile" "${issue_id:-}" "$limit" <<'PYEOF'
import json, sys

path       = sys.argv[1]
issue_f    = sys.argv[2]
limit      = int(sys.argv[3])

threads = []
with open(path) as f:
    for line in f:
        line = line.strip()
        if not line: continue
        try:
            t = json.loads(line)
            if t.get("type","thread") == "thread":
                threads.append(t)
        except: pass

if issue_f:
    threads = [t for t in threads if t.get("issueId") == issue_f]

threads = threads[-limit:]

if not threads:
    print(f"  (no threads{'  filtered by issue=' + issue_f if issue_f else ''})")
else:
    print(f"  {'ID':<28} {'SUBJECT':<32} {'AUTHOR':<20} {'MSGS':<6} CREATED")
    print("  " + "─" * 96)
    for t in threads:
        tid     = t.get("id","?")[:28]
        subj    = (t.get("subject") or "(no subject)")[:32]
        author  = (t.get("authorName") or t.get("authorId") or "—")[:20]
        msgs    = len(t.get("messages", []))
        created = (t.get("createdAt") or "-")[:10]
        print(f"  {tid:<28} {subj:<32} {author:<20} {msgs:<6} {created}")

print(f"\n  {len(threads)} thread(s). View: /mastermind-threads --org <org> --action view --thread-id <id>")
PYEOF

Read the full file on GitHub · 261 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 · 261 lines · 39 tokens per session scan A c44c57a26d74

Subscribe to this mod's changes

mastermind-threads is a skill published in the GitHub repository monoes/monomind (23 stars, last pushed 2d ago), licensed Apache-2.0. It adds 39 tokens to every session and 1,945 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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