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 skills add sablier-labs/sablier-skills --skill sablier-cancel-vestinggit clone --depth 1 https://github.com/sablier-labs/sablier-skillsWrote 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/sablier-labs/sablier-skills/sablier-cancel-vesting)<a href="https://agentmods.dev/skills/sablier-labs/sablier-skills/sablier-cancel-vesting"><img src="https://agentmods.dev/badge/skills/sablier-labs/sablier-skills/sablier-cancel-vesting/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/sablier-labs/sablier-skills/sablier-cancel-vesting"><img src="https://agentmods.dev/badge/skills/sablier-labs/sablier-skills/sablier-cancel-vesting.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 | $0.00108 | $0.01815 |
| Opus 5 | $0.00054 | $0.00907 |
| Sonnet 5 | $0.00022 | $0.00363 |
| Haiku 4.5 | $0.00011 | $0.00181 |
Grade A, and why
sablier-cancel-vesting 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 12d 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 — 96 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Sablier Vesting Stream Cancellation
Overview
Cancel one or more Sablier Lockup vesting streams on the user's behalf as the stream sender. The skill discovers the user's sender-side streams through the Sablier indexer, drops non-cancelable and zero-refundable streams, and executes one cancel(uint256) transaction per selected stream on the resolved chain.
The function signature cancel(uint256) is unified across the full range of Lockup releases (v1.0 → v4.0), so the runbook does not dispatch on version for the call itself. The recipient still receives every token that has already vested at the moment of cancellation; only the unvested remainder returns to the sender.
This skill charges no markup. Cancellation is free at the protocol level — cancel(uint256) is non-payable on every Lockup version, so MSG_VALUE = 0 always.
This skill is a coordinator for vesting cancellation and execution routing.
Arguments
| Argument | Description |
|---|---|
chain_name |
EVM chain where the streams live (e.g. "Ethereum", "Base", "Polygon"). One chain per invocation. |
wallet_address |
The user's wallet. Must be the streams' sender — only senders can call cancel. The skill never surfaces streams where the wallet is not the sender. |
token_symbol |
Token symbol to narrow the search (e.g. "USDC", "SABL"). If omitted, every token the wallet has an active sender-side stream in is shown. |
Workflow
1. Confirm product fit
-
Verify the user wants to cancel existing Sablier vesting streams as the sender.
-
If the user wants to create a vesting stream instead, route to
sablier-create-vesting. If that skill is unavailable, recommend installing it with:
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.
- 12d ago First seen · 96 lines · 108 tokens per session scan A 49d002dee2ae
sablier-cancel-vesting is a skill published in the GitHub repository sablier-labs/sablier-skills (5 stars, last pushed 1mo ago), licensed MIT. It adds 108 tokens to every session and 1,815 once invoked, about $0.0005 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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