Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add bendrucker/claude/plugin install thingsWrote 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/skills/bendrucker/claude/url)<a href="https://agentmods.dev/skills/bendrucker/claude/url"><img src="https://agentmods.dev/badge/skills/bendrucker/claude/url/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/skills/bendrucker/claude/url"><img src="https://agentmods.dev/badge/skills/bendrucker/claude/url.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 | $0.00052 | $0.01708 |
| Opus 5.5 | $0.00021 | $0.00683 |
| Sonnet 5.5 | $0.00010 | $0.00342 |
| Haiku 4.5 | $0.00005 | $0.00171 |
Grade A, and why
things:url 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 7d 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 — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Things URL Scheme
Write operations for Things 3 via the things:/// URL scheme.
Arguments
$0 is the command (add, add-project, update, update-project, show, search, json); the rest are its key=value params. Pass both straight to url.ts. A command is required. With none, infer the operation from the request. capture routes to inbox.ts instead (see Inbox Capture).
Quick Start
Use url.ts for most operations. It handles auth tokens and URL encoding.
bun ${CLAUDE_PLUGIN_ROOT}/scripts/url.ts --link-base "${user_config.link_base}" <command> [key=value ...]
# Bulk update: pass multiple id= params to batch via JSON command
bun ${CLAUDE_PLUGIN_ROOT}/scripts/url.ts --link-base "${user_config.link_base}" update id=X id=Y id=Z when=tomorrow
For raw URL scheme access: open -g "things:///add?title=Buy%20milk&when=today". Use -g for data commands to run in background. Omit it for show/search to foreground Things.
Commands
| Command | Description | Auth required |
|---|---|---|
add |
Create a todo | No |
add-project |
Create a project with optional todos | No |
update |
Modify a todo's properties | Yes |
update-project |
Modify a project's properties | Yes |
show |
Navigate to a list, todo, or project | No |
search |
Open search with optional query | No |
json |
Batch create/update via JSON payload | Yes (for updates) |
Full parameters, JSON payload schema, and limits: url-scheme.md. url.ts fetches the auth token automatically (1password.md).
show accepts built-in list IDs: inbox, today, anytime, upcoming, someday, logbook, tomorrow, deadlines, repeating, all-projects, logged-projects.
Tags
Things drops a tag it does not already hold and still reports success. url.ts resolves tags and add-tags against the stored tags first, so an unknown tag fails the call and names itself instead of vanishing from the write. Pass --create-tags to create the missing ones:
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 7d ago Changed 208512275117
- 29d ago Changed · +1 lines 0923c9108aee
- 1mo ago Changed · +19 tokens per session 785f39d361fd
- 1mo ago Changed · -1 lines 4e63bf73f883
- 1mo ago First seen · 122 lines · 33 tokens per session scan A fd36e86dbc23
things:url is a skill published in the GitHub repository bendrucker/claude (18 stars, last pushed yesterday), licensed MIT. It adds 52 tokens to every session and 1,708 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-09-03.
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