# roam_markdown_cheatsheet

Provides the comprehensive Roam syntax reference. Covers: formatting, links & references (page refs, block refs, embeds including embed-children and embed-path), tags, dates, tasks, attributes, queries (native and :q Datalog tables with built-in rules), tables, kanban, mermaid diagrams (with theme support), advanced components (dropdowns, tooltips, templates, document mode, word-count), CSS tags (#.rm-E, #.rm-hide, etc.), anti-patterns, tool selection guide, and API efficiency tips.\n\nIMPORTANT: Always load this cheatsheet before creating or updating Roam content. It prevents common syntax errors and guides tool selection.

Agent View of the PolicyLayer registry record for `roam_markdown_cheatsheet`. HTML page: https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-markdown-cheatsheet

## Facts

- Tool: `roam_markdown_cheatsheet`
- Server: Roam Research (`2b3pro/roam-research-mcp`) — https://policylayer.com/tools/2b3pro-roam-research-mcp.md
- Homepage: https://github.com/2b3pro/roam-research-mcp
- Risk category: Read (Low risk)
- Registry record: grade D, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "roam_markdown_cheatsheet",
    "arguments": {}
  }
}
```

## Why roam_markdown_cheatsheet is rated Low

This tool retrieves and returns reference documentation without creating, modifying, deleting, or executing any operations. It is purely informational—an AI assistant queries it to obtain Roam syntax help before performing other actions. No side effects or data mutations occur from calling this tool itself.

From the tool's own definition: "Tool provides a 'comprehensive Roam syntax reference' and 'cheatsheet' covering formatting, links, tags, queries, and other documentation."

## Use case

AI agents call roam_markdown_cheatsheet to retrieve information from Roam Research without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Roam Research:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "roam_markdown_cheatsheet": {}
  }
}
```

## Other tools on Roam Research (21)

- `roam_datomic_query` — Execute — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-datomic-query.md
- `roam_fetch_block` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-fetch-block.md
- `roam_fetch_page_by_title` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-fetch-page-by-title.md
- `roam_fetch_page_full_view` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-fetch-page-full-view.md
- `roam_find_pages_modified_today` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-find-pages-modified-today.md
- `roam_get_subpages` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-get-subpages.md
- `roam_recall` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-recall.md
- `roam_search_block_refs` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-search-block-refs.md
- `roam_search_by_date` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-search-by-date.md
- `roam_search_by_status` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-search-by-status.md
- `roam_search_by_text` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-search-by-text.md
- `roam_search_for_tag` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-search-for-tag.md
- `roam_search_hierarchy` — Read — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-search-hierarchy.md
- `roam_add_todo` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-add-todo.md
- `roam_create_outline` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-create-outline.md
- `roam_create_page` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-create-page.md
- `roam_import_markdown` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-import-markdown.md
- `roam_move_block` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-move-block.md
- `roam_remember` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-remember.md
- `roam_rename_page` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-rename-page.md
- `roam_update_page_markdown` — Write — https://policylayer.com/tools/2b3pro-roam-research-mcp/roam-update-page-markdown.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=2b3pro-roam-research-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/2b3pro-roam-research-mcp