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/bherbruck/mcp-debugger/breakpointgit clone --depth 1 https://github.com/bherbruck/mcp-debuggerWrote 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/commands/bherbruck/mcp-debugger/breakpoint)<a href="https://agentmods.dev/commands/bherbruck/mcp-debugger/breakpoint"><img src="https://agentmods.dev/badge/commands/bherbruck/mcp-debugger/breakpoint.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 | $0.00010 | $0.00383 |
| Opus 5 | $0.00005 | $0.00192 |
| Sonnet 5 | $0.00002 | $0.00077 |
| Haiku 4.5 | $0.00001 | $0.00038 |
Grade A, and why
breakpoint 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 3d 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
Breakpoint Management
Managing breakpoints: $ARGUMENTS.action
Actions
Add a Breakpoint
If action is "add":
- Ensure there's an active debug session
- Use
set_breakpointwith the file and line - If a condition was provided, include it as a conditional breakpoint
- Report whether the breakpoint was verified
Remove a Breakpoint
If action is "remove":
- Use
remove_breakpointwith the file and line - Confirm removal
List All Breakpoints
If action is "list":
- Use
list_breakpointsto get all breakpoints - Display them in a clear table format:
- File path
- Line number
- Verified status
- Condition (if any)
Conditional Breakpoints
You can add conditions that must be true for the breakpoint to trigger:
x > 10- Break when x exceeds 10name == "error"- Break when name equals "error"items.length > 100- Break when list is large
Hit Count Conditions
Use hitCondition to break after a certain number of hits:
>5- Break after more than 5 hits==10- Break on exactly the 10th hit
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.
- 3d ago First seen · 58 lines · 10 tokens per session scan A 93bf94e613da
breakpoint is a command published in the GitHub repository bherbruck/mcp-debugger (2 stars, last pushed 5mo ago), licensed MIT. It adds 10 tokens to every session and 383 once invoked, about $0.0001 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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