What is infermap CLAUDE.md?

Project instructions for infermap, a Python project, including its environment, architecture, key files, tests, linting, and release details.

Running infermap's tests and lint checks, understanding its scoring pipeline, and following its development and publishing workflow.

They tell an AI coding agent how this repository is structured and how changes must be checked before committing.

How benseverndev-oss/infermap configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to benseverndev-oss/infermap. 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/benseverndev-oss/infermap/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/benseverndev-oss/infermap

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/benseverndev-oss/infermap/claude-md/github.svg)](https://agentmods.dev/instructions/benseverndev-oss/infermap/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/benseverndev-oss/infermap/claude-md"><img src="https://agentmods.dev/badge/instructions/benseverndev-oss/infermap/claude-md/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/benseverndev-oss/infermap/claude-md"><img src="https://agentmods.dev/badge/instructions/benseverndev-oss/infermap/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 721 This file is loaded in full into every session.

When invoked 721 The same file — it is already loaded in full.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00721	$0.00721
Opus 5.5	$0.00288	$0.00288
Sonnet 5.5	$0.00144	$0.00144
Haiku 4.5	$0.00072	$0.00072

Measured 2mo ago against content hash 7196bf339133, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

infermap CLAUDE.md 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 2mo 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.md · 44 lines

How it starts

The opening of the file, as written. The whole thing — 44 lines — stays where its author put it; the contents beside it link to each section on GitHub.

infermap

Environment

Windows 11, bash shell (Git Bash) — use Unix paths in scripts
Python 3.12 at C:\Users\bsevern\AppData\Local\Programs\Python\Python312\python.exe
Project: D:\show_case\infermap
Two GitHub accounts: benzsevern (owner) and benzsevern-mjh (work)
Always gh auth switch --user benzsevern before push, switch back after
PyPI: infermap v0.1.0 published (trusted publishing configured)

Testing

pytest --tb=short from project root — 210 tests, ~2s
Optional deps (psycopg2, duckdb, pandas) must use pytest.importorskip() — CI only installs .[dev]
ruff check infermap/ tests/ must pass — CI lint job fails on any error
Run ruff check --fix before committing to auto-fix most issues
import polars hangs under heavy CPU load (parallel subagents) — kill stale python processes first

Architecture

Weighted scorer pipeline: ExactScorer → AliasScorer → PatternTypeScorer → ProfileScorer → FuzzyNameScorer
Score combination: weighted average, None = abstain, 0.0 = real negative, min 2 contributors
Optimal 1:1 assignment via scipy.optimize.linear_sum_assignment (Hungarian algorithm)
Providers: FileProvider, InMemoryProvider, SchemaFileProvider, DBProvider (SQLite/Postgres/DuckDB)
Config: infermap.yaml for scorer weights + alias extensions, schema definition files for target metadata
CLI: infermap map, apply, inspect, validate via Typer
Public API: infermap.map(), from_config(), extract_schema(), @infermap.scorer decorator

Key Files

infermap/engine.py — MapEngine orchestrator (scorer pipeline + assignment)
infermap/scorers/alias.py — ALIASES dict + _ALIAS_LOOKUP (extended by config)
infermap/scorers/pattern_type.py — SEMANTIC_TYPES regex registry + classify_field()
infermap/providers/db.py — SQLite/Postgres/DuckDB extraction (MySQL stubbed)
infermap/types.py — FieldInfo, SchemaInfo, ScorerResult, FieldMapping, MapResult
tests/conftest.py — FIXTURES_DIR (not FIXTURES), make_field(), make_schema()

Read the full file on GitHub · 44 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.

2mo ago First seen · 44 lines · 721 tokens per session scan A 7196bf339133

Subscribe to this mod's changes

infermap CLAUDE.md is an instructions file published in the GitHub repository benseverndev-oss/infermap (0 stars, last pushed 6mo ago), licensed MIT. It adds 721 tokens to every session, about $0.0029 per session on Opus 5.5. 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.

cli column-mapping data-engineering data-integration data-pipeline data-quality

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infermap: Instructions file for Claude Code