fpa-research-loop

fpa-research-loop is a skill for Claude Code from JeffBrines/openfpa. It costs 41 tokens per session (644 once invoked), scanned A, original, MIT.

A controlled research loop that tests alternative forecasting methods against a company's past results. It can generate and discard competing candidates, while a human must approve any candidate promoted to the active model.

In plain words
What is it for?
Use it after forecasts have been compared with actual outcomes to test new hypotheses, evaluate challenger models, and propose evidence-backed improvements.
Why use it?
It lets the system investigate weak forecasts without automatically changing the model used in production. Recorded objectives, tests, failures, and approvals make the process traceable.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the openfpa plugin — 14 skills shipped together

Good fit Use it after forecasts have been compared with actual outcomes to test new hypotheses, evaluate challenger models, and propose evidence-backed improvements.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jeffbrines/openfpa/fpa-research-loop
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 JeffBrines/openfpa --skill fpa-research-loop
Clone the repo
git clone --depth 1 https://github.com/JeffBrines/openfpa

Made for: Claude Code.

Or install openfpa, the plugin that ships this one along with the rest of its 14 skills.

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 fpa-research-loop

README.md
[![agentmods](https://agentmods.dev/badge/skills/jeffbrines/openfpa/fpa-research-loop.svg)](https://agentmods.dev/skills/jeffbrines/openfpa/fpa-research-loop)
Your own site
<a href="https://agentmods.dev/skills/jeffbrines/openfpa/fpa-research-loop"><img src="https://agentmods.dev/badge/skills/jeffbrines/openfpa/fpa-research-loop.svg" alt="Measured on agentmods" height="20"></a>
Per session 41 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 644 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 $0.00041 $0.00644
Opus 5 $0.00020 $0.00322
Sonnet 5 $0.00008 $0.00129
Haiku 4.5 $0.00004 $0.00064

Measured 7d ago against content hash b55b807c79d5, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

fpa-research-loop 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 7d 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.

skills/fpa-research-loop/SKILL.md · 63 lines

How it starts

The opening of the file, as written. The whole thing — 63 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Company Research Loop

Purpose

Run an AutoResearch-style loop against the company's own forecast history. The AI may generate, test, and discard challengers autonomously. Only promotion to the active champion requires human approval.

Memory And State

  • .fpa/research/objective.yaml: company-specific metrics, weights, hard checks, minimum improvement, and complexity penalty.
  • .fpa/research/*.epoch.yaml: every hypothesis and evaluated epoch, including discarded candidates.
  • .fpa/models/registry.yaml: current champion, challengers, retired champions, and human-approved promotion history.
  • .fpa/index.yaml: rebuildable lexical memory index.
  • .fpa/context-pack.md: temporary task-specific retrieval output, never canonical memory.

Workflow

  1. Discover the company command. Run openfpa entrypoint-list <company-root> --kind research. Use a registered research runner when one exists.
  2. Retrieve context. Rebuild memory with pyfpa.build_memory_index(".fpa"), then create a context pack for the miss being investigated. Read prior failed epochs before proposing a repeated hypothesis.
  3. Load the objective and registry. The objective is CFO-specific. It should include forecast-error metrics by decision importance, hard accounting checks, a minimum improvement, and a complexity penalty.
  4. Run bounded epochs. Default to at most five challengers in one run. For each:
    • state one falsifiable financial hypothesis;
    • generate the smallest company-specific change;
    • use rolling or holdout periods not used to fit the candidate;
    • run every hard check;
    • call pyfpa.evaluate_challenger;
    • persist the final ResearchEpoch.
  5. Discard autonomously. Mark failed or weak candidates discarded. Preserve their code reference, evidence, metrics, and rejection reason so future agents do not repeat them without new evidence.
  6. Propose the strongest challenger. Register only promotion-eligible challengers. Mark the strongest epoch proposed and explain the objective gain, tradeoffs, complexity cost, and relevant memory.
  7. Promote only after approval. On explicit human acceptance, call pyfpa.promote_challenger, update the epoch to promoted, and save both with explicit overwrite. The prior champion moves to retired history.

Read the full file on GitHub · 63 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. 7d ago First seen · 63 lines · 41 tokens per session scan A b55b807c79d5

Subscribe to this mod's changes

fpa-research-loop is a skill published in the GitHub repository JeffBrines/openfpa (6 stars, last pushed 2mo ago), licensed MIT. It adds 41 tokens to every session and 644 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 2026-08-31.

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