tcx-evidence

tcx-evidence is a skill for Codex from monarchjuno/tradingcodex. It costs 38 tokens per session (870 once invoked), scanned A, original, Apache-2.0.

A procedure for collecting reliable, source-backed information before an investment analysis. It separates facts from assumptions and tracks missing or conflicting evidence.

In plain words
What is it for?
Use it at the start of research workflows to identify the relevant market and source types, build an evidence set, record gaps or conflicts, and pass source references to an analyst report.
Why use it?
It keeps research conclusions traceable to their sources and avoids collecting more material than the question requires. It also defines when evidence should be saved for reuse or handed off by its identifiers.

Skill for Codex

Written for Codex: agents/openai.yaml present. Also seen: $skill-name invocation.

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 skills/monarchjuno/tradingcodex/tcx-evidence
Any agent
npx skills add monarchjuno/tradingcodex --skill tcx-evidence
Clone the repo
git clone --depth 1 https://github.com/monarchjuno/tradingcodex

Made for: 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 tcx-evidence

README.md
[![agentmods](https://agentmods.dev/badge/skills/monarchjuno/tradingcodex/tcx-evidence.svg)](https://agentmods.dev/skills/monarchjuno/tradingcodex/tcx-evidence)
Your own site
<a href="https://agentmods.dev/skills/monarchjuno/tradingcodex/tcx-evidence"><img src="https://agentmods.dev/badge/skills/monarchjuno/tradingcodex/tcx-evidence.svg" alt="Measured on agentmods" height="20"></a>
Per session 38 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 870 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 5.1 $0.00038 $0.00870
Opus 5 $0.00019 $0.00435
Sonnet 5 $0.00008 $0.00174
Haiku 4.5 $0.00004 $0.00087

Measured 6d ago against content hash e6464679e635, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

tcx-evidence 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 6d 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.

workspace_templates/modules/repo-skills/files/.tradingcodex/subagents/skills/shared/tcx-evidence/SKILL.md · 69 lines

How it starts

The opening of the file, as written. The whole thing — 69 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Collect Evidence

Build the smallest evidence set that can answer the assigned question.

Choose one artifact by default

  • Create an evidence_pack under trading/research/ only when source intake has independent reuse or cross-role handoff value, or preserves a material source conflict or gap separately from a role conclusion.
  • Create a role_report under trading/reports/<role>/ when the output includes that role's analysis, conclusion, or downstream handoff. When collected evidence only supports that same report, create the role report directly; an evidence pack is not a prerequisite or default duplicate.
  • When both are justified, create the evidence pack first. Put its authenticated Artifact ID in the role report's input_artifact_ids, retain every exact Snapshot/Dataset ID the report uses, and rely on service receipts/hashes for lineage. Do not copy the same body into both artifacts.
  • When persistence has no reuse, provenance, decision, or audit value, hand off compact IDs without creating either artifact.
  1. Identify the universe and workflow type. Use only relevant, callable source classes; mark missing universe support or unavailable routes as gaps.
  2. Apply tcx-source-gate before external retrieval and retain its returned source IDs and gaps. If analysis exposes a material gap, conflict, stale anchor, or identifier mismatch within your assigned question and specialty, collect the additional evidence needed to resolve it without waiting for a new field-by-field instruction. Use evidence value, not a fixed source or call count, as the stopping rule.
  3. Distinguish observations, source or management claims, analysis, and assumptions in natural prose where ambiguity matters. Use opened filings, releases, and exchange/regulator records when source-of-record status matters. Otherwise accept attributable OpenBB/provider data, credible institutional data, and reputable secondary reporting for the claims they competently and currently cover. A search snippet or unsupported assumption is not evidence.
  4. State the identifier, source list, source-trust notes, market context, missing evidence, freshness, decision readiness, confidence, update triggers, invalidation conditions, and contrary evidence that matter.
  5. If persisting, apply $tcx-artifact, the canonical shared quality floor, and use authenticated MCP.

Read the full file on GitHub · 69 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 6d ago First seen · 69 lines · 38 tokens per session scan A e6464679e635

Subscribe to this mod's changes

tcx-evidence is a skill published in the GitHub repository monarchjuno/tradingcodex (366 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 38 tokens to every session and 870 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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