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 agentmods add commands/dzan314/yapper/yapper-helpgit clone --depth 1 https://github.com/dzan314/yapperWhat 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 | $0.00000 | $0.01538 |
| Opus 5 | $0.00000 | $0.00769 |
| Sonnet 5 | $0.00000 | $0.00308 |
| Haiku 4.5 | $0.00000 | $0.00154 |
Grade A, and why
yapper-help 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 yesterday.
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 — 181 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/yapper-help Command
Description
The /yapper-help command displays full documentation for the Yapper plugin,
including all modes, commands, behaviours, configuration options, and usage examples.
This command is itself rendered in Professor mode by default, because a help document
that is not thoroughly elaborated would be somewhat contrary to the spirit of the plugin.
Yapper — Full Documentation
What is Yapper?
Yapper is a plugin and skill system for AI coding agents that enforces maximum verbosity, thorough elaboration, and exhaustive explanation across all responses. When active, it expands every reply by two to four hundred percent while maintaining complete technical accuracy. It is the structural, philosophical, and tonal inverse of compression-based AI plugins.
The core thesis of Yapper is simple: most AI-generated responses are optimised for brevity, and brevity is not always what the reader needs. A developer reading a code review at the end of a long day does not benefit from a one-line comment that says "wrong." They benefit from a comment that explains what is wrong, why it is wrong, what could happen if it stays wrong, and what to do about it — in complete sentences.
In other words: same answer, significantly more words, intentionally.
All Commands
Activation Commands
| Command | Effect |
|---|---|
/yapper |
Activate Yapper in Professor mode (default) |
/yapper techbro |
Activate Tech Bro mode |
/yapper professor |
Activate Professor mode |
/yapper thesis |
Activate Thesis mode |
/yapper victorian |
Activate Victorian Ultra mode |
stop yapping |
Deactivate Yapper entirely |
Utility Commands
| Command | Effect |
|---|---|
/yapper-commit |
Generate a verbose, fully-explained Git commit message |
/yapper-review |
Perform a thorough multi-line PR review |
/yapper-expand |
Expand prose in a file (preserves code blocks, URLs, paths) |
/yapper-help |
Display this documentation |
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.
- yesterday First seen · 181 lines · 0 tokens per session scan A db9b52e5bea2
yapper-help is a command published in the GitHub repository dzan314/yapper (1 stars, last pushed 4mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,538 tokens. 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.
Other commands, from other repositories
hunt
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council
Run an LLM council — five agents tackle the same task with different roles, then synthesize.
debug
Parallel debugging — five agents propose root-cause hypotheses for a symptom.
review
Parallel code review from all five agents on the current git diff.
second-opinion
Quick independent second opinion from one agent on a decision or approach.
vote
Parallel vote — five agents cast YES / NO / ABSTAIN on a proposition, tally is returned.