codevira: Skill for Claude Code

.claude/skills/epistemic-honesty/SKILL.md

epistemic-honesty is a skill for Claude Code from sachinshelke/codevira. It costs 106 tokens per session (1,461 once invoked), scanned A, original, MIT.

A reasoning skill that makes the agent state its evidence, confidence, possible failure cases, and unknowns before making firm claims or proposing solutions.

In plain words
What is it for?
Use it when diagnosing problems, proposing fixes, reporting test results, or making claims that something is complete or ready.
Why use it?
It helps prevent unsupported statements such as claiming that a fix works or that tests passed without enough verification.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions Claude Code.

This is sachinshelke/codevira's own configuration. It tells Claude Code how to work on codevira itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything codevira configures →

Reuse

Borrowing it

Nothing to install: this file belongs to sachinshelke/codevira. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/sachinshelke/codevira/main/.claude/skills/epistemic-honesty/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/sachinshelke/codevira

Made for: Claude Code.

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 epistemic-honesty

README.md
[![agentmods](https://agentmods.dev/badge/skills/sachinshelke/codevira/epistemic-honesty/github.svg)](https://agentmods.dev/skills/sachinshelke/codevira/epistemic-honesty)
Your own site
<a href="https://agentmods.dev/skills/sachinshelke/codevira/epistemic-honesty"><img src="https://agentmods.dev/badge/skills/sachinshelke/codevira/epistemic-honesty/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 epistemic-honesty

Your own site · 80×15
<a href="https://agentmods.dev/skills/sachinshelke/codevira/epistemic-honesty"><img src="https://agentmods.dev/badge/skills/sachinshelke/codevira/epistemic-honesty.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 106 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,461 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 $0.00106 $0.01461
Opus 5 $0.00053 $0.00731
Sonnet 5 $0.00021 $0.00292
Haiku 4.5 $0.00011 $0.00146

Measured 10d ago against content hash a3ce9afd76c2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

epistemic-honesty 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 10d 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.

.claude/skills/epistemic-honesty/SKILL.md · 183 lines

How it starts

The opening of the file, as written. The whole thing — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Epistemic honesty — calibrate every claim

You shipped codevira v2.0.0 with 23 silent-failure bugs because you stated "all tests pass → ready to ship" as a definitive truth. It wasn't. Test count is a proxy, not proof. This skill makes you calibrate every confident statement against actual evidence before saying it.

When this skill triggers

Anytime you are about to write any of:

  • "This works."
  • "Tests pass."
  • "Done."
  • "Fixed."
  • "Ready to ship."
  • "The bug is X."
  • "The solution is Y."
  • "It's because of Z."
  • "All N items completed."
  • "I verified ..."

The 4-statement contract for every claim

Before any definitive statement, output the 4-line confidence block:

Confidence: HIGH / MEDIUM / LOW
Evidence:   <what you actually observed — file path, command output, test result>
Could fail because: <2-3 ways your claim could still be wrong>
What I don't know: <gaps in your verification>

Skip ANY of these four and the claim is unverified. Examples:

Example 1 — verified claim

Claim: ruff lint passes on mcp_server/
Confidence: HIGH
Evidence: ran `ruff check mcp_server` — exit code 0, no output
Could fail because: ruff doesn't catch type errors; another linter
  (mypy) may still fail
What I don't know: whether mypy passes — haven't run it

Example 2 — unverified claim (refuse to make it)

Claim: "the configure command detects correctly"
Confidence: LOW
Evidence: NONE — I read the code once, several turns ago
Could fail because: I haven't re-read since; the user's recent log
  shows configure writing to in-repo .codevira/ which contradicts
  my recollection
What I don't know: actual current behavior of configure

→ Cannot make this claim without first re-reading and testing.

Example 3 — bug diagnosis

Claim: "the Claude Desktop disconnects are caused by sentence-
       transformers loading on tools/list critical path"
Confidence: MEDIUM
Evidence: log shows tools/list response arrived 5s after transport
  closed at 80ms; log includes "Loading weights 103/103"
Could fail because: there could be a different cause that happens
  to correlate with the load time (e.g. macOS power management)
What I don't know: whether Claude Code (which works) takes the same
  time for tools/list — if it does, the load time isn't the cause

Read the full file on GitHub · 183 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. 10d ago First seen · 183 lines · 106 tokens per session scan A a3ce9afd76c2

Subscribe to this mod's changes

epistemic-honesty is a skill published in the GitHub repository sachinshelke/codevira (12 stars, last pushed 25d ago), licensed MIT. It adds 106 tokens to every session and 1,461 once invoked, about $0.0005 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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