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 holon-run/webmcp-bridge --skill board-webmcpgit clone --depth 1 https://github.com/holon-run/webmcp-bridgeWrote 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/holon-run/webmcp-bridge/board-webmcp)<a href="https://agentmods.dev/skills/holon-run/webmcp-bridge/board-webmcp"><img src="https://agentmods.dev/badge/skills/holon-run/webmcp-bridge/board-webmcp/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/holon-run/webmcp-bridge/board-webmcp"><img src="https://agentmods.dev/badge/skills/holon-run/webmcp-bridge/board-webmcp.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 | $0.00050 | $0.00959 |
| Opus 5 | $0.00025 | $0.00479 |
| Sonnet 5 | $0.00010 | $0.00192 |
| Haiku 4.5 | $0.00005 | $0.00096 |
Grade A, and why
board-webmcp 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 9d 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 — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Board WebMCP
Use this skill to operate the native board demo through @webmcp-bridge/local-mcp.
Prerequisites
uxcis installed and available inPATH.npxis installed and available inPATH.- Network access to
https://board.holon.run. - On a fresh machine, or under an isolated
HOME, install Playwright browsers first withnpx playwright install. - For local board development, point the setup script at
http://127.0.0.1:4173.
Core Workflow
- Ensure the fixed board link exists:
command -v board-webmcp-cli- if missing or pointed at the wrong URL, run
skills/board-webmcp/scripts/ensure-links.sh
- Inspect the bridge and tool schema before calling tools:
board-webmcp-cli -hboard-webmcp-cli nodes.list -hboard-webmcp-cli nodes.upsert -h
- Read current board state:
- non-collaborative automation:
board-webmcp-cli nodes.list,board-webmcp-cli edges.list - collaborative visible session:
board-webmcp-cli bridge.session.mode.set '{"mode":"headed"}'board-webmcp-cli bridge.openboard-webmcp-cli nodes.listboard-webmcp-cli edges.list
- non-collaborative automation:
- Apply updates with structured inputs:
board-webmcp-cli diagram.export format=json- collaborative visible session should keep the same runtime in
headed board-webmcp-cli nodes.upsert '{"nodes":[{"label":"Fraud Service","kind":"service"}]}'board-webmcp-cli edges.upsert '{"edges":[{"sourceNodeId":"gateway","targetNodeId":"orders","protocol":"grpc"}]}'board-webmcp-cli layout.apply mode=layeredboard-webmcp-cli diagram.export format=json
- When a human is editing or reviewing the same board live:
- check current state with
board-webmcp-cli bridge.session.status - if needed, switch to headed with
board-webmcp-cli bridge.session.mode.set '{"mode":"headed"}' board-webmcp-cli bridge.open- keep all reads and writes on
board-webmcp-clifor that same collaborative session board-webmcp-cli selection.getboard-webmcp-cli bridge.close- if the human closed the board window manually, the headed owner session has ended; run
board-webmcp-cli bridge.openagain to start a new headed session on the same profile
- check current state with
What ships with it
4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 9d ago First seen · 97 lines · 50 tokens per session scan A 1d9946495def
board-webmcp is a skill published in the GitHub repository holon-run/webmcp-bridge (27 stars, last pushed 5mo ago), licensed MIT. It adds 50 tokens to every session and 959 once invoked, about $0.0003 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 2026-08-30.
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