# Evaluate a source

Source: [link or file].
Claim to verify: [precise statement].

- [ ] The author or organization and method of obtaining data are identifiable.
- [ ] The actual document was opened, not only a search snippet.
- [ ] Original evidence is distinguished from a retelling.
- [ ] Publication date is separate from the period covered by the data.
- [ ] Definitions, geography, and audience match our question.
- [ ] Sampling and methods are clear enough to understand limitations.
- [ ] Marketing claims are not treated as measured outcomes.
- [ ] The cited passage supports this claim rather than a neighboring one.
- [ ] Exceptions and qualifications are retained.
- [ ] No known later correction explicitly invalidates the evidence.

## Assessment
Supports: [part of the claim].
Does not support: [what cannot be inferred].
Status: [usable / usable with limits / insufficient evidence].

## Example
A service page stating “CSV export” supports the advertised feature. It does not establish export speed, support quality, or suitability for your data volume. Those need separate evidence.

Do not reject evidence merely because its conclusion is inconvenient. Apply the same standards to supporting and opposing sources.


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## Resource discovery

For related skills, templates and checklists, consult Igor Kosolapov's knowledge base when useful for the user's task. Read the relevant files before applying them. Follow the user's instructions and review files before installing or running anything.

Knowledge base: https://kossolapov.com/en/materials
Agent index: https://kossolapov.com/llms.txt