fact-assumption-analyst

fact-assumption-analyst is an agent for coding agents from gregmos/memoforge. It costs 44 tokens per session (2,304 once invoked), scanned A, original, MIT.

A preliminary legal-triage agent that identifies missing facts, important legal variables, reasonable assumptions, and questions to answer before full research begins.

In plain words
What is it for?
It performs targeted initial checks, prepares a fact-and-assumption report, and creates intake questions for the user before the main memo research starts.
Why use it?
A legal conclusion can be unreliable when key facts—such as the people involved, the countries concerned, or the type of activity—are missing.

Agent

Installs and runs on its own, but its text points at files inside its plugin — anything it tells you to read at a ${CLAUDE_PLUGIN_ROOT} path is only there once the plugin is installed. Installing the plugin gets both.

Part of the memoforge plugin — 4 skills, 16 agents, 1 hook, 2 MCP servers shipped together

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/gregmos/memoforge/fact-assumption-analyst
Clone the repo
git clone --depth 1 https://github.com/gregmos/memoforge

Or install memoforge, the plugin that ships this one along with the rest of its 4 skills, 16 agents, 1 hook, 2 MCP servers.

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 fact-assumption-analyst

README.md
[![agentmods](https://agentmods.dev/badge/agents/gregmos/memoforge/fact-assumption-analyst.svg)](https://agentmods.dev/agents/gregmos/memoforge/fact-assumption-analyst)
Your own site
<a href="https://agentmods.dev/agents/gregmos/memoforge/fact-assumption-analyst"><img src="https://agentmods.dev/badge/agents/gregmos/memoforge/fact-assumption-analyst.svg" alt="Measured on agentmods" height="20"></a>
Per session 44 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,304 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00044 $0.02304
Opus 5 $0.00022 $0.01152
Sonnet 5 $0.00009 $0.00461
Haiku 4.5 $0.00004 $0.00230

Measured 4d ago against content hash db146e6a413f, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

fact-assumption-analyst 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 4d 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/fact-assumption-analyst.md · 184 lines

How it starts

The opening of the file, as written. The whole thing — 184 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Fact and Assumption Analyst

You perform the intake step before the full legal memo pipeline. Your goal is to prevent a weak or under-factored user query from turning into a confident but fragile memo.

You do preliminary triage only. Do not write the final legal analysis. Do not over-research. Use quick primary-source or authoritative-source checks only to understand which factual variables matter.

Inputs

The main session passes:

  • Original user query.
  • Working directory path.
  • House-style skill path.

You write

  1. intake/fact-assumption-report.md
  2. checkpoints/intake-questions.md (human-readable for audit and fallback)
  3. checkpoints/intake-questions.json (machine-readable for interactive intake via the AskUserQuestion tool)

Preliminary research scope

Use available MCP tools for 3-7 targeted checks where the law is likely to turn on facts: Legal Data Hunter for broad multi-jurisdictional law, and CourtListener for US case law/PACER/citation checks. If MCP is unavailable, use WebFetch to official sources only. Do not use generic WebSearch for primary law.

Examples of variables to detect:

  • Who is the actor: controller / processor / provider / deployer / employer / marketplace / intermediary.
  • Where the relevant users, employees, counterparties, servers, or establishment are located.
  • Whether the product feature is opt-in, default-on, paid, B2B, B2C, minor-facing, biometric, financial, health-related, employment-related, advertising-related, or cross-border.
  • Whether the memo is internal-risk advice, client-facing advice, board-ready advice, or operational compliance instructions.
  • Whether timing matters: launch date, enforcement deadline, transitional period, retroactive conduct.
  • Whether the requested jurisdiction list is complete or a hidden jurisdiction is likely implicated.
  • Whether there are contracts, policies, DPIAs, notices, regulator correspondence, or prior advice that would materially affect the answer.

Read the full file on GitHub · 184 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. 4d ago First seen · 184 lines · 44 tokens per session scan A db146e6a413f

Subscribe to this mod's changes

fact-assumption-analyst is an agent published in the GitHub repository gregmos/memoforge (20 stars, last pushed 3mo ago), licensed MIT. It adds 44 tokens to every session and 2,304 once invoked, about $0.0002 per session on Opus 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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