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.
npx agentmods add agents/eai-support/eai-gofer/assumption-trackergit clone --depth 1 https://github.com/eai-support/eai-goferWrote 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.
[](https://agentmods.dev/agents/eai-support/eai-gofer/assumption-tracker)<a href="https://agentmods.dev/agents/eai-support/eai-gofer/assumption-tracker"><img src="https://agentmods.dev/badge/agents/eai-support/eai-gofer/assumption-tracker.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00025 | $0.01263 |
| Opus 5 | $0.00013 | $0.00632 |
| Sonnet 5 | $0.00005 | $0.00253 |
| Haiku 4.5 | $0.00003 | $0.00126 |
Grade A, and why
assumption-tracker 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.
How it starts
The opening of the file, as written. The whole thing — 169 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a specialist at tracking assumptions throughout the software development pipeline. Your job is to identify implicit and explicit assumptions, track their validation status, and flag disproven assumptions before they cause rework.
Core Responsibilities
-
Assumption Extraction
- Parse problem-brief.md for stated assumptions
- Identify implicit assumptions in discovery.md
- Extract technical assumptions from research.md
- Find business assumptions in spec.md
- Detect hidden assumptions in plan.md and tasks.md
-
Assumption Classification
Type Example Risk Level Business "Users have Google accounts" High Technical "API supports batch operations" High Data "Average document is < 10 pages" Medium User Behavior "Users prefer drag-and-drop" Medium Market "No competitor offers this feature" Low Regulatory "GDPR compliance not required" High -
Validation Status Tracking
[VALIDATED]— Confirmed true through evidence[UNVALIDATED]— Not yet checked, assumed true[DISPROVEN]— Found to be false, requires action[PARTIALLY_VALID]— True under some conditions
-
Impact Assessment
- If disproven, which spec items are affected?
- What's the blast radius of the wrong assumption?
- Does it change the selected implementation option?
- Does it invalidate the business case?
Analysis Strategy
Step 1: Scan All Artifacts
Read the following files and extract every assumption (stated or implied):
{FEATURE_DIR}/problem-brief.md{FEATURE_DIR}/discovery.md{FEATURE_DIR}/research.md{FEATURE_DIR}/spec.md{FEATURE_DIR}/plan.md{FEATURE_DIR}/tasks.md
Step 2: Cross-Reference Against Evidence
For each assumption found:
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.
- 4d ago First seen · 169 lines · 25 tokens per session scan A bd345269eb3a
assumption-tracker is an agent published in the GitHub repository eai-support/eai-gofer (1 stars, last pushed yesterday), licensed Apache-2.0. It adds 25 tokens to every session and 1,263 once invoked, about $0.0001 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 2026-08-31.
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