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 tokenbender/agent-guides --skill x-thread-readergit clone --depth 1 https://github.com/tokenbender/agent-guidesWrote 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/tokenbender/agent-guides/x-thread-reader)<a href="https://agentmods.dev/skills/tokenbender/agent-guides/x-thread-reader"><img src="https://agentmods.dev/badge/skills/tokenbender/agent-guides/x-thread-reader/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/tokenbender/agent-guides/x-thread-reader"><img src="https://agentmods.dev/badge/skills/tokenbender/agent-guides/x-thread-reader.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high System Prompt Leakage · line 32 Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.Fix: Remove any instructions that reveal, print, or output system prompts or internal rules. System instructions should never be exposed to end users.
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 | $0.00066 | $0.00460 |
| Opus 5.5 | $0.00026 | $0.00184 |
| Sonnet 5.5 | $0.00013 | $0.00092 |
| Haiku 4.5 | $0.00007 | $0.00046 |
Grade A, and why
x-thread-reader 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 1mo 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.
What it actually says
X Thread Reader
Use this skill whenever an X/Twitter post may need more than the top-post text.
Workflow
-
Extract the tweet id from the URL.
- Match
x.com/<user>/status/<id>,twitter.com/<user>/status/<id>, or equivalent status URLs. - Ignore query parameters such as
?s=20.
- Match
-
Build the thread-reader URL:
https://twitter-thread.com/t/<tweet_id> -
Fetch the Twitter Thread Reader page before drawing conclusions from a single X post.
- Use it to recover the thread text, tweet count, linked media alt text, quoted/replied context, and embedded links when available.
- Cite the thread-reader URL in the final answer when it shaped the answer.
-
Fall back only if Twitter Thread Reader fails or is missing tweets.
- Try
api.fxtwitter.com,cdn.syndication.twimg.com/tweet-result, X embed/oEmbed, web search, or browser-rendered inspection as appropriate. - State uncertainty when mirrors fail or only partial text is available.
- Try
Output Rules
- Do not infer a thread's meaning from the opening tweet alone when a thread-reader page is available.
- When comparing a thread to a local project, read the thread first, then compare it against the relevant local docs or code.
- Preserve exact user output contracts. For title/capture tasks, return only the requested title format.
- Avoid guessed content. If the full thread cannot be verified, say what was verified and what was not.
Example
https://x.com/FredKSchott/status/2050274923852210397?s=20
-> https://twitter-thread.com/t/2050274923852210397
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.
- 1mo ago First seen · 45 lines · 66 tokens per session scan A 1f7a6d0b7364
x-thread-reader is a skill published in the GitHub repository tokenbender/agent-guides (367 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 66 tokens to every session and 460 once invoked, about $0.0003 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 2026-08-30.
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