What is open-data CLAUDE.md?

Project instructions for CivicPatch's open-data repository, which stores YAML records about local government officials and validates them against defined data models.

Use them when adding or updating government data, validating YAML files, or working with the repository's scraping and pull-request pipeline.

They explain where jurisdiction data belongs, how the files are structured, and how changes are checked before or after merging.

How CivicPatch/open-data configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to CivicPatch/open-data. 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/CivicPatch/open-data/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/CivicPatch/open-data

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/civicpatch/open-data/claude-md/github.svg)](https://agentmods.dev/instructions/civicpatch/open-data/claude-md)

Your own site

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

Per session 821 This file is loaded in full into every session.

When invoked 821 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	$0.00821	$0.00821
Opus 5.5	$0.00328	$0.00328
Sonnet 5.5	$0.00164	$0.00164
Haiku 4.5	$0.00082	$0.00082

Measured 1mo ago against content hash 4fa619015b07, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

open-data 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 1mo 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 · 77 lines

How it starts

The opening of the file, as written. The whole thing — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.

open-data — Project Context

See root AI_CONTEXT.md for shared coding standards (via civicpatch-tools).

What this is

The canonical data repository for CivicPatch. Contains YAML files for municipal government officials, organised by state and jurisdiction. Pull requests to this repo are the primary output of the civicpatch scraping pipeline.

Project layout

data/
  <state>/
    local/
      <place_name>.yml    ← one file per jurisdiction; list of Official records
data_source/
  <state>/
    local/
      jurisdictions.yml         ← municipalities: list of known jurisdictions for the state
      <place_name>/
        pipeline_run_context.json   ← pipeline config/state for the jurisdiction
    state/
      jurisdictions.yml         ← state government (one entry)
    counties/
      jurisdictions.yml         ← county governments for the state
schemas.py                      ← Pydantic models: Jurisdiction, Office, Official
scripts/
  github_actions/               ← run in CI on PRs and post-merge
    validate_jurisdiction.py    ← validates YAML against schemas.py
    get_jurisdiction_folder.py
    local/
      pull_request/             ← scripts run locally to generate PR content
      post_merge/               ← scripts run locally after a PR is merged
  jurisdictions/                ← the pipeline that builds data_source/**/jurisdictions.yml
    config.py                   ← state registry: fips, name, census sources, scraper
    headers.py                  ← generates each jurisdictions.yml header (fields + provenance)
    yaml_io.py                  ← shared comment-preserving YAML load/dump
    states.py                   ← fetch state government jurisdiction for a state
    counties.py                 ← fetch + enrich county jurisdictions for a state
    local.py                    ← fetch + enrich municipality jurisdictions for a state
    run.py                      ← orchestrator: state → counties → local
    scrapers/                   ← per-state Wikipedia scrapers + wikipedia_utils
  ocdids/                       ← OCD-ID parsing (parse.py) and repair (fix.py)
  track_progress/               ← data quality dashboards and gap analysis
  one_off/                      ← completed migrations, kept for reference
  paths.py                      ← PROJECT_ROOT anchor; never recompute it from __file__

Read the full file on GitHub · 77 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.

1mo ago Changed · -1 lines · -24 tokens per session 4fa619015b07
2mo ago Changed · -1 lines · -8 tokens per session 0e522fa973f5
2mo ago First seen · 79 lines · 853 tokens per session scan A 26cfd2fa6ea6

Subscribe to this mod's changes

open-data CLAUDE.md is an instructions file published in the GitHub repository CivicPatch/open-data (5 stars, last pushed yesterday), licensed CC0-1.0. It adds 821 tokens to every session, about $0.0033 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.

open-data CLAUDE.md next to 6 instructions from other repositories
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open-data CLAUDE.mdCivicPatch/open-data	Instructions file	5	yesterday	CC0-1.0	A	821	Claude Code
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open-data: Instructions file for Claude Code