| name | cli-anything-safari |
| description | Safari browser automation CLI on macOS via safari-mcp. Controls real Safari (native, keeps logins) by wrapping the safari-mcp MCP server. Every one of the 84 MCP tools is exposed 1:1 with schema-accurate arguments โ guaranteed parity, no manual drift. |
cli-anything-safari
A command-line interface for Safari browser automation on macOS. Wraps the
safari-mcp Node.js MCP
server in a Python Click CLI.
Feature parity is guaranteed. Every Click command is generated
automatically from safari-mcp's tool schema (bundled as
resources/tools.json). All 84 tools are reachable with the exact
argument names and types the MCP server expects.
When to use this CLI
Each CLI invocation spawns a fresh subprocess, so there is per-call
overhead. If your agent speaks MCP natively (Claude Code, Cursor, Cline,
etc.), using safari-mcp directly over MCP stdio will be faster.
Use this CLI when:
- Your agent framework does not speak MCP (Codex CLI, GitHub Copilot
CLI, custom scripts, older agent frameworks).
- You need to script browser automation from bash โ
cli-anything-safari --json tool snapshot | jq '...'.
- You run in CI/CD and want cron-able, subprocess-friendly output.
- You're debugging interactively from Terminal.
Installation
Prerequisites
- macOS โ Safari MCP is macOS-only.
- Safari โ already installed on macOS.
- Node.js 18+ โ
brew install node or from https://nodejs.org/
- Python 3.10+
- Enable Apple Events for Safari: Safari โ Develop โ Allow JavaScript from Apple Events
Install the CLI
cd safari/agent-harness
pip install -e .
The first tool call will download the safari-mcp npm package (one-time, a few MB).
Command Structure
The CLI has 5 top-level commands:
| Command | Purpose |
|---|
tool | Call any of safari-mcp's 84 tools (dynamic, schema-driven) |
tools | Inspect the bundled tool registry (list, describe, count) |
raw | Escape hatch โ call a tool by full name with raw JSON args |
session | In-memory session state (last URL, current tab) |
repl | Interactive REPL (default when no subcommand given) |
Usage Examples
Discover the tool surface
cli-anything-safari tools count
cli-anything-safari tools list
cli-anything-safari tools list --filter click
cli-anything-safari tools describe safari_scroll
cli-anything-safari --json tools describe safari_click
Call a tool (schema-driven)
cli-anything-safari tool navigate --url https://example.com
cli-anything-safari --json tool snapshot
cli-anything-safari tool click --ref 0_5
cli-anything-safari tool click --selector "#submit"
cli-anything-safari tool click --text "Log in"
cli-anything-safari tool fill --selector "#email" --value "user@example.com"
cli-anything-safari tool scroll --direction down --amount 500
cli-anything-safari tool drag \
--source-selector ".card" \
--target-selector ".trash"
cli-anything-safari --json tool screenshot --full-page \
| python3 -c "import sys,json,base64; \
d=json.load(sys.stdin); \
open('/tmp/shot.jpg','wb').write(base64.b64decode(d['data']))"
cli-anything-safari tool save-pdf --path /tmp/page.pdf
cli-anything-safari tool evaluate --script "document.title"
Navigate and read in one round-trip
cli-anything-safari --json tool navigate-and-read --url https://example.com
Form fill (bulk)
safari_fill_form takes an array of {selector, value} objects.
Pass it as a JSON string:
cli-anything-safari tool fill-form --fields '[
{"selector": "#email", "value": "user@example.com"},
{"selector": "#password", "value": "hunter2"}
]'
Run cli-anything-safari tools describe safari_fill_form to see the
exact schema, including any new fields safari-mcp adds upstream.
Network monitoring
cli-anything-safari tool start-network-capture
cli-anything-safari tool navigate --url https://example.com
cli-anything-safari --json tool network
cli-anything-safari tool performance-metrics
Storage
cli-anything-safari tool get-cookies
cli-anything-safari tool set-cookie --name session --value abc123 --domain example.com
cli-anything-safari tool local-storage --key theme
cli-anything-safari --json tool export-storage > /tmp/storage.json
Raw JSON escape hatch
When you need to pass a complex nested object or want to drive the CLI from
a pre-built JSON blob:
cli-anything-safari raw safari_evaluate \
--json-args '{"code":"[...document.querySelectorAll(\"a\")].map(a => a.href)"}'
Interactive REPL
cli-anything-safari
The REPL banner prints the absolute path to this SKILL.md so agents can
self-discover capabilities.
JSON Output
All commands support --json as a global flag:
cli-anything-safari --json tool snapshot
cli-anything-safari --json tool list-tabs
cli-anything-safari --json tools list
State Management
The CLI maintains a small amount of in-memory state for REPL display only:
last_url โ last URL the CLI navigated to (updated after every
successful tool navigate, tool navigate-and-read, or
tool new-tab)
current_tab_index โ last known active tab index
There is no persistent session, no undo/redo, no document model.
Every CLI invocation starts with fresh state. Safari MCP itself is
stateless per-call: each tool command spawns a fresh
npx safari-mcp subprocess, performs the action, and exits. This is a
deliberate design choice; see HARNESS.md and TEST.md for the
reasoning behind the deviation from the standard undo/redo pattern.
Output Formats
All commands support dual output modes:
- Human-readable (default): indented key-value text for
dict
results, bullet lists for arrays, plain text otherwise
- Machine-readable (
--json flag): structured JSON for agent
consumption
cli-anything-safari tool snapshot
cli-anything-safari --json tool snapshot
cli-anything-safari --json tools list
cli-anything-safari --json tools describe safari_click
For AI Agents
When using this CLI programmatically:
- Always use
--json flag for parseable output.
- Check return codes โ 0 for success, non-zero for errors (URL
validation failures, MCP call failures, invalid JSON args).
- Parse stderr for error messages; use stdout for data.
- File-handling tools have inconsistent path arg names โ always
check
tools describe <name> first:
tool save-pdf --path /tmp/x.pdf
tool upload-file --selector ... --file-path /tmp/x.txt (note: --file-path, not --path)
tool export-storage โ no path arg; pipe JSON output to a file
tool import-storage --path /tmp/x.json
tool screenshot / screenshot-element โ return base64 in
the JSON response, no path arg (decode it yourself)
- Snapshot before click โ refs from
tool snapshot expire on the
next snapshot. Always snapshot โ find ref โ click in close
succession.
- Discover tools via
tools list โ the bundled registry is the
source of truth for what's available. Do not hard-code tool names
that may change upstream.
- Use
tools describe <name> to learn the exact schema (required
args, enum choices, JSON-typed args) before constructing a call.
Never assume parameter names from the description โ for example,
safari_evaluate takes --script (not --code) even though the
description says "JavaScript code to execute".
Agent-Specific Guidance
Finding the right tool
Use the introspection commands. The CLI is guaranteed to reflect the
MCP server 1:1:
cli-anything-safari tools list --filter click
cli-anything-safari --json tools describe safari_click
Tool selection strategy
tool snapshot over tool screenshot โ structured text with ref IDs
is orders of magnitude cheaper and carries the refs needed for clicks.
tool click --ref over tool click --selector โ refs are stable
within a single snapshot, selectors may be brittle.
tool navigate-and-read over navigate + read-page โ saves one
round-trip.
tool click-and-read over click + read-page โ saves one round-trip.
tool native-click only when regular click fails with 405/403 (WAF
blocks, G2, Cloudflare) โ it physically moves the cursor.
Refs Expire
Refs from tool snapshot expire when you take a new snapshot:
- First snapshot: refs
0_1, 0_2, 0_3...
- Second snapshot: refs
1_1, 1_2, 1_3...
Always snapshot โ click in close succession. If in doubt, snapshot again.
Tab Ownership Safety
Safari MCP tracks tab ownership per session. Tools that modify a tab
(navigate, click, fill) are blocked on tabs the session did not open.
To operate on a specific page, always start with tool new-tab --url ....
Error Handling
Common errors:
npx not found โ install Node.js 18+
safari-mcp package not found on npm registry โ check network
Not macOS โ harness is macOS-only
AppleScript denied โ enable "Allow JavaScript from Apple Events" in Safari โ Develop
Blocked URL scheme: file โ URL validation rejected the input (by design)
URL Validation
The CLI validates URLs before passing them to safari_navigate,
safari_navigate_and_read, and safari_new_tab. Blocked schemes:
file, javascript, data, vbscript, about, chrome, safari,
webkit, x-apple, and other browser-internal schemes. The raw
command also enforces this for navigation tools.
Multi-Session Warning
Safari MCP enforces a single active session by killing stale Node.js
processes older than 10 seconds. If you run two CLI instances at once,
one will kill the other's backend. There is currently no daemon
mode โ for latency-sensitive workflows, drive the CLI from a
long-lived Python script that imports
cli_anything.safari.utils.safari_backend.call() directly to avoid
re-spawning the subprocess on every invocation.
Links
Security Considerations
URL Validation
All navigation tools (tool navigate, tool navigate-and-read, tool new-tab, and raw safari_navigate*) pass the url argument through
utils/security.py which blocks dangerous schemes and optionally blocks
private networks (set CLI_ANYTHING_SAFARI_BLOCK_PRIVATE=1).
Tab Isolation
Safari MCP enforces per-session tab ownership upstream โ tools cannot
operate on tabs the session did not open.
Profile Isolation
Set SAFARI_PROFILE env var to use a separate Safari profile for
automation:
export SAFARI_PROFILE="Automation"
cli-anything-safari tool navigate --url https://example.com
This keeps cookies/logins/history separate from the user's main browsing.
JavaScript Execution
tool evaluate and tool run-script run arbitrary JavaScript in the page
context. Treat untrusted input with the same care as any dynamic code
execution path.
Clipboard
tool clipboard-read and tool clipboard-write touch the system
clipboard. Be careful when running inside a user's active session โ
overwriting the clipboard mid-task is disruptive.
Regenerating the tool registry
If you upgrade safari-mcp, regenerate the bundled schema:
python scripts/extract_tools.py \
"$(npm root -g)/safari-mcp/index.js" \
cli_anything/safari/resources/tools.json
The parity test (test_parity.py) pins the expected tool count; update
it when the upstream tool list changes.
More Information
- Full documentation:
cli_anything/safari/README.md in the package
- Test coverage:
cli_anything/safari/tests/TEST.md in the package
- Architecture analysis:
safari/agent-harness/SAFARI.md
- Methodology:
cli-anything-plugin/HARNESS.md
- MCP backend pattern:
cli-anything-plugin/guides/mcp-backend.md
Version
1.0.0 โ targets safari-mcp 2.7.8 (84 tools). Bundled tool registry is
regenerated via scripts/extract_tools.py when safari-mcp upgrades.