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.
git clone --depth 1 https://github.com/skywinder/osm-edit-mcpWrote 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/rules/skywinder/osm-edit-mcp/osm-mcp-project-structure)<a href="https://agentmods.dev/rules/skywinder/osm-edit-mcp/osm-mcp-project-structure"><img src="https://agentmods.dev/badge/rules/skywinder/osm-edit-mcp/osm-mcp-project-structure/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.
<a href="https://agentmods.dev/rules/skywinder/osm-edit-mcp/osm-mcp-project-structure"><img src="https://agentmods.dev/badge/rules/skywinder/osm-edit-mcp/osm-mcp-project-structure.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00669 | $0.00669 |
| Opus 5 | $0.00334 | $0.00334 |
| Sonnet 5 | $0.00134 | $0.00134 |
| Haiku 4.5 | $0.00067 | $0.00067 |
Grade A, and why
osm-mcp-project-structure 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 3d 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.
How it starts
The opening of the file, as written. The whole thing — 58 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OSM Edit MCP Server - Project Structure Guide
Core Project Files
Main Server Implementation
- src/osm_edit_mcp/server.py - Primary MCP server with 31 tools for OSM operations
- main.py - Server entry point and startup script
Configuration Files
- .env - Environment configuration (never commit with real credentials)
- .env.example - Configuration template with all available options
- pyproject.toml - Python package configuration and dependencies
Testing Framework
- test_comprehensive.py - Complete test suite for all 31 MCP tools
- TESTING_CHECKLIST.md - Systematic manual testing guide
- TEST_RESULTS_SUMMARY.md - Analysis of test results and debugging guide
Documentation
- README.md - Complete setup, configuration, and usage guide
- POLISH_SUMMARY.md - Summary of all enhancements made
Architecture Overview
Server Structure
The server.py contains:
OSMConfigclass with comprehensive configuration management- 31 MCP tools organized in categories:
- Read Operations: get_osm_node, get_osm_way, get_osm_relation, etc.
- Write Operations: create_osm_node, update_osm_node, delete_osm_node, etc.
- Search Operations: find_nearby_amenities, search_osm_elements, etc.
- Natural Language: parse_natural_language_osm_request, create_place_from_description, etc.
- Utility Operations: validate_coordinates, validate_osm_data, etc.
Configuration System
Uses Pydantic BaseSettings for type-safe configuration with:
- Dev/prod API switching via
OSM_USE_DEV_API - Configurable logging levels
- Safety and rate limiting settings
- OAuth credentials management
Testing Architecture
- Automated Testing: test_comprehensive.py runs all tools systematically
- Manual Testing: TESTING_CHECKLIST.md provides step-by-step validation
- Results Analysis: Generated reports help identify and debug issues
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.
- 3d ago Changed · +3 tokens per session bac55bd8b956
- 8d ago First seen · 58 lines · 666 tokens per session scan A c5ccfbef2d9a
osm-mcp-project-structure is a cursor rule published in the GitHub repository skywinder/osm-edit-mcp (4 stars, last pushed yesterday), licensed MIT. It adds 669 tokens to every session, about $0.0033 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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