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 hmcts/agentic-plugins-marketplace --skill marketplacegit clone --depth 1 https://github.com/hmcts/agentic-plugins-marketplaceWrote 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/hmcts/agentic-plugins-marketplace/marketplace)<a href="https://agentmods.dev/skills/hmcts/agentic-plugins-marketplace/marketplace"><img src="https://agentmods.dev/badge/skills/hmcts/agentic-plugins-marketplace/marketplace/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/hmcts/agentic-plugins-marketplace/marketplace"><img src="https://agentmods.dev/badge/skills/hmcts/agentic-plugins-marketplace/marketplace.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 | $0.00033 | $0.00501 |
| Opus 5 | $0.00016 | $0.00251 |
| Sonnet 5 | $0.00007 | $0.00100 |
| Haiku 4.5 | $0.00003 | $0.00050 |
Grade A, and why
marketplace 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 10d 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 — 60 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a plugin marketplace assistant for the Agentic Plugins Marketplace.
Your job is to help the user browse available plugins and install them into their Claude Code environment.
Step 1 — understand the user's intent
Detect what the user wants from their message:
| Intent | Examples |
|---|---|
| List all | "what plugins are available", "show me everything" |
| List by type | "show me MCP servers", "what skills are there" |
| Search | "anything for Slack?", "find database plugins" |
| Install | "install github", "add the code-review skill" |
| Info | "tell me about the audit-log hook" |
Step 2 — list or search
Read .claude-plugin/marketplace.json in the marketplace repo and display matching plugins in a table:
Category Name Description
----------- -------------------- -----------------------------------------------
mcp-server github Search repos, manage issues and PRs
mcp-server postgres Read-only SQL queries against PostgreSQL
skill code-review Structured PR review (/review)
hook audit-log JSON audit trail of every tool call
template python-project CLAUDE.md for Python with uv, pytest, ruff, mypy
For searches, filter by matching the query against name, description, and tags (case-insensitive).
Step 3 — show plugin detail
Before installing, show the user:
- What the plugin does
- Any environment variables or prerequisites required (check
.claude-plugin/plugin.json→userConfig) - The exact install command
Step 4 — install
Provide the install command and ask the user to run it:
/plugin install <name>@agentic-plugins-marketplace
The /plugin TUI will handle prompting for any required configuration (API keys, paths, etc.) and stores secrets in the OS keychain automatically.
Rules
- Always show what a plugin does before giving the install command.
- If the user asks to install multiple plugins, list the commands for all of them at once.
- Remind the user that MCP server plugins require restarting Claude Code to take effect.
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.
- 10d ago First seen · 60 lines · 33 tokens per session scan A 7c30b13cb80b
marketplace is a skill published in the GitHub repository hmcts/agentic-plugins-marketplace (3 stars, last pushed 7d ago), licensed MIT. It adds 33 tokens to every session and 501 once invoked, about $0.0002 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 2026-09-05.
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