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 greppable/greppable-cc-plugin/plugin install greppableWrote 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/greppable/greppable-cc-plugin/querying-gdld-diagrams)<a href="https://agentmods.dev/skills/greppable/greppable-cc-plugin/querying-gdld-diagrams"><img src="https://agentmods.dev/badge/skills/greppable/greppable-cc-plugin/querying-gdld-diagrams.svg" alt="Measured on agentmods" 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 | $0.00107 | $0.03156 |
| Opus 5 | $0.00053 | $0.01578 |
| Sonnet 5 | $0.00021 | $0.00631 |
| Haiku 4.5 | $0.00011 | $0.00316 |
Grade A, and why
querying-gdld-diagrams scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 313 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GDLD Quick Reference
Available Diagrams
!bash -c 'find docs/gdl -name "*.gdld" -maxdepth 3 2>/dev/null | while read f; do title=$(grep -m1 "^@diagram" "$f" 2>/dev/null | grep -o "title:[^|]*" | sed "s/title://"); echo "- $f${title:+ ($title)}"; done'
Format
@type|key:value|key:value|key:value
Every record is one line. Every field is self-describing (key:value). No schema lookup needed.
Core Record Types
| Type | Purpose | Key Fields |
|---|---|---|
@diagram |
File metadata | id, type, purpose |
@group |
Subgraph | id, label, file, parent, pattern |
@node |
Graph node | id, label, group, shape, status, tags |
@edge |
Relationship | from, to, label, type, status, tags |
@use-when |
When to use | condition, threshold |
@use-not |
When NOT to use | condition, reason |
@component |
Key component | name, file, does |
@config |
Configuration | param, value, source |
@gotcha |
Lesson learned | issue, detail, fix, severity |
@recovery |
Failure handling | issue, means, fix, severity |
@decision |
Architectural decision | id, title, status, reason |
@pattern |
Related pattern | name, for, file |
@entry |
Entry point | use-case, command |
@note |
Freeform prose | context, text |
@participant |
Sequence actor | id, label, role |
@msg |
Ordered message | from, to, label, type |
@block |
Conditional/loop start | id, type, label |
@endblock |
Block end | id |
@seq-note |
Sequence annotation | over, text |
@scenario |
Diagram variant | id, label, inherits |
@override |
Element override in scenario | scenario, target, field, value |
@exclude |
Remove element from scenario | scenario, target |
@view |
Named perspective/filter | id, label, filter, includes, excludes, level |
@include |
File inclusion | file, records, prefix |
@deploy-env |
Deployment environment | id, label, provider |
@deploy-node |
Infrastructure node | id, label, env, parent, technology |
@deploy-instance |
Component-to-node map | component, node, instances, config |
@infra-node |
Non-app infrastructure | id, label, node, technology |
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.
- 8d ago First seen · 313 lines · 107 tokens per session scan A 8ccc289c130d
querying-gdld-diagrams is a skill published in the GitHub repository greppable/greppable-cc-plugin (3 stars, last pushed 4mo ago), licensed MIT. It adds 107 tokens to every session and 3,156 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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