Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add instructions/leonardsellem/readwise-vector-db/claude-mdgit clone --depth 1 https://github.com/leonardsellem/readwise-vector-dbWrote 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.
[](https://agentmods.dev/instructions/leonardsellem/readwise-vector-db/claude-md)<a href="https://agentmods.dev/instructions/leonardsellem/readwise-vector-db/claude-md"><img src="https://agentmods.dev/badge/instructions/leonardsellem/readwise-vector-db/claude-md.svg" alt="Measured on agentmods" height="20"></a>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 | $0.02018 | $0.02018 |
| Opus 5 | $0.01009 | $0.01009 |
| Sonnet 5 | $0.00404 | $0.00404 |
| Haiku 4.5 | $0.00202 | $0.00202 |
Grade A, and why
readwise-vector-db CLAUDE.md scanned grade A with 1 finding 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 4d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -N -H "Accept: text/event-stream" "http://127.0.0.1:8000/mcp/stream?q=test&k=5" How it starts
The opening of the file, as written. The whole thing — 249 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.
Essential Commands
Development Workflow
# Setup and installation
poetry install --with dev # Install all dependencies
poetry run pre-commit install # Setup code quality hooks
# Core development commands
poetry run uvicorn readwise_vector_db.api:app --reload # Run dev server (localhost:8000)
docker compose up -d db # Start PostgreSQL with pgvector
docker compose up -d api # Start API container
# CLI operations
poetry run rwv sync --backfill # Initial full sync from Readwise
poetry run rwv sync --since $(date -Idate -d 'yesterday') # Incremental sync
# Database management
poetry run alembic upgrade head # Run migrations
make migrate-supabase # Migrate Supabase database
Testing and Quality
# Testing
poetry run pytest # Run test suite
make cov # Run tests with targeted coverage analysis
make perf # Performance testing (P95 < 500ms requirement)
# Code quality
poetry run black . # Format code
poetry run isort . # Sort imports
poetry run ruff check . # Lint code
poetry run mypy . # Type checking
Deployment
# Local Docker deployment
docker compose up -d # Full stack deployment
# Vercel deployment
vercel --prod # Deploy to production
vercel env add SUPABASE_DB_URL # Configure environment variables
Architecture Overview
Multi-Backend System
This project supports dual deployment patterns:
- Local: Docker + PostgreSQL with pgvector
- Cloud: Vercel serverless + Supabase managed database
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.
- 4d ago First seen · 249 lines · 2,018 tokens per session scan A b82cb62fae88
readwise-vector-db CLAUDE.md is an instructions file published in the GitHub repository leonardsellem/readwise-vector-db (24 stars, last pushed 1y ago), licensed MIT. It adds 2,018 tokens to every session, about $0.0101 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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