esri-uc-mcp: Instructions file for Claude Code

CLAUDE.md

esri-uc-mcp CLAUDE.md is an instructions file for Claude Code from codeforanchorage/esri-uc-mcp. It costs 1,154 tokens per session, scanned A, original, MIT.

Repository instructions for Claude Code, covering how to install dependencies, run and test the local server, validate configuration, and check code style.

In plain words
What is it for?
Installing the project, starting its local MCP server, validating config.yaml, running tests, measuring coverage, and checking or formatting Python code.
Why use it?
They give the coding agent the project’s expected commands and checks, reducing guesswork when changing the repository.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is codeforanchorage/esri-uc-mcp's own configuration. It tells Claude Code how to work on esri-uc-mcp 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 esri-uc-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to codeforanchorage/esri-uc-mcp. 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/codeforanchorage/esri-uc-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/codeforanchorage/esri-uc-mcp

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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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.

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Per session 1,154 This file is loaded in full into every session.
When invoked 1,154 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.01154 $0.01154
Opus 5 $0.00577 $0.00577
Sonnet 5 $0.00231 $0.00231
Haiku 4.5 $0.00115 $0.00115

Measured 8d ago against content hash f9e3349d6e4d, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

esri-uc-mcp 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 8d 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 · 88 lines

How it starts

The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Build & Development Commands

# Install dependencies (uv preferred, pip fallback)
uv sync                              # or: pip install -r requirements.txt

# Run local MCP server (no Lambda needed)
python3 scripts/local_server.py      # Serves on http://localhost:8000/mcp
# Or: python3 local_server.py        # Alternate entry point, serves on / and /mcp

# Validate config
python3 -c "from core.validators import load_and_validate_config; load_and_validate_config('config.yaml')"

# Tests
uv run pytest tests/ -n auto                                    # All tests, parallel
uv run pytest tests/test_ckan_plugin.py -v                      # Single file
uv run pytest tests/test_ckan_plugin.py::TestClass::test_name -v  # Single test
uv run pytest tests/ --cov=core --cov=plugins --cov-report=term-missing  # With coverage (80% minimum)

# Linting (ruff)
uv run ruff check core/ plugins/ server/ tests/      # Check
uv run ruff check core/ plugins/ server/ tests/ --fix # Auto-fix
uv run ruff format core/ plugins/ server/ tests/      # Format

# Pre-commit hooks
pre-commit run --all-files

# Go client (requires Go 1.21+)
cd client && make build

# Deploy to AWS (this fork: terraform workspace esri-uc-prod)
./scripts/deploy.sh --environment prod

# Refresh the bundled Esri UC catalog snapshot (then redeploy)
python scripts/snapshot.py

This fork: esri_uc

This fork deploys the esri_uc plugin — the Esri UC 2026 conference catalog. Unlike every other plugin, it serves a STATIC SNAPSHOT bundled in the Lambda package (data/sessions.json, data/exhibitors.json, data/rooms.json, produced by scripts/snapshot.py) and makes zero upstream calls at runtime. capture/raw_curl.txt documents the captured RainFocus request; capture/event_map_services.txt documents the event-map ArcGIS service behind where_is_room. deploy.sh copies data/ into the package. The terraform workspace is esri-uc-prod in the shared fleet state bucket — NEVER deploy into a sibling fork's workspace (it would destroy that fork's stack).

Read the full file on GitHub · 88 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. 8d ago First seen · 88 lines · 1,154 tokens per session scan A f9e3349d6e4d

Subscribe to this mod's changes

esri-uc-mcp CLAUDE.md is an instructions file published in the GitHub repository codeforanchorage/esri-uc-mcp (0 stars, last pushed 1mo ago), licensed MIT. It adds 1,154 tokens to every session, about $0.0058 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 2026-08-31.

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