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 agentfront/frontmcp --skill frontmcp-production-readinessgit clone --depth 1 https://github.com/agentfront/frontmcpWrote 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/agentfront/frontmcp/frontmcp-production-readiness)<a href="https://agentmods.dev/skills/agentfront/frontmcp/frontmcp-production-readiness"><img src="https://agentmods.dev/badge/skills/agentfront/frontmcp/frontmcp-production-readiness/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/agentfront/frontmcp/frontmcp-production-readiness"><img src="https://agentmods.dev/badge/skills/agentfront/frontmcp/frontmcp-production-readiness.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 21 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Prompt Injection · line 105 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 131 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 139 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 139 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 147 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 147 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 154 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 170 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 194 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 154 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 162 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 162 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 170 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 178 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 186 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 194 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 202 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Memory Poisoning · line 218 Skill attempts to fill the context window with filler content, displacing legitimate instructions and safety constraints. This can degrade agent performance or bypass safety boundaries.Fix: Implement context-window management that detects and rejects padding or stuffing attempts. Prioritize system instructions over user-injected content.
- medium Prompt Injection · line 218 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
- medium Prompt Injection · line 220 Large whitespace padding was detected (a block of blank lines or a long run of spaces). This can push injected instructions below or to the right of the visible area so a human reviewer never sees them while the agent still reads them. Manual review of the hidden content is recommended.Fix: Remove the large whitespace padding (blank-line blocks or long space runs) and review any content hidden below or to the right of it. Keep skill files compact and reviewable so no instructions can be
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 | $0.00176 | $0.04076 |
| Opus 5.5 | $0.00070 | $0.01630 |
| Sonnet 5.5 | $0.00035 | $0.00815 |
| Haiku 4.5 | $0.00018 | $0.00408 |
Grade A, and why
frontmcp-production-readiness 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 14d 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 — 231 lines — stays where its author put it; the contents beside it link to each section on GitHub.
FrontMCP Production Readiness Audit
Router for production readiness checklists. Start with the common checklist (security, performance, reliability, observability), then follow the target-specific checklist for your deployment environment.
When to Use This Skill
Must Use
- Before deploying a FrontMCP server to production for the first time
- After major feature additions or architectural changes
- During security reviews or compliance audits
Recommended
- As part of PR reviews for infrastructure-touching changes
- Quarterly health checks on production deployments
- When switching deployment targets
Skip When
- Building a prototype or proof-of-concept
- Running in development/local mode only
Decision: Use this skill when preparing for production. Start with
common-checklist, then pick your deployment target.
Prerequisites
- A deployable FrontMCP project (build target chosen, see
frontmcp-deployment). - Observability and structured logging available (see
frontmcp-observability) — production hardening assumes you can see what the server is doing. - A staging environment matching production target (Node, Vercel, Lambda, Cloudflare, CLI, browser) to validate the checklist before go-live.
Steps
Step 1: Detect Deployment Target
Check the project to determine the deployment target:
- Look at
package.jsonscripts forfrontmcp build --target <target> - Check for target-specific files:
ci/Dockerfile(node),vercel.json(vercel),wrangler.toml(cloudflare),ci/template.yaml(lambda) - Check if the build target is
cliorbrowserin the build config - If unclear, ask the user which environment they're deploying to
Step 2: Run Common Checklist
Always start with the common checklist — it covers security, performance, reliability, and observability that apply to every target.
Step 3: Run Target-Specific Checklist
After the common checklist, run the checklist for your deployment target.
Scenario Routing Table
What ships with it
40 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.
- examples/common-checklist/caching-and-performance.md 4.5 KB
- examples/common-checklist/observability-setup.md 3.2 KB
- examples/common-checklist/security-hardening.md 6.5 KB
- examples/distributed-ha/ha-kubernetes-3-replicas.md 5.7 KB
- examples/health-readiness-endpoints/basic-health-setup.md 2.5 KB
- examples/health-readiness-endpoints/custom-probes.md 3.6 KB
- examples/production-browser/browser-bundle-config.md 2.8 KB
- examples/production-browser/cross-platform-crypto.md 3.6 KB
- examples/production-browser/security-and-performance.md 4.0 KB
- examples/production-cli-binary/binary-build-config.md 3.0 KB
- examples/production-cli-binary/stdio-transport-error-handling.md 4.3 KB
- examples/production-cli-daemon/daemon-socket-config.md 2.3 KB
- examples/production-cli-daemon/graceful-shutdown-cleanup.md 4.6 KB
- examples/production-cli-daemon/security-and-permissions.md 3.7 KB
- examples/production-cloudflare/durable-objects-state.md 3.9 KB
- examples/production-cloudflare/workers-runtime-constraints.md 3.5 KB
- examples/production-cloudflare/wrangler-config.md 3.7 KB
- examples/production-lambda/cold-start-connection-reuse.md 4.5 KB
- examples/production-lambda/sam-template.md 3.7 KB
- examples/production-lambda/scaling-and-monitoring.md 4.9 KB
- examples/production-node-sdk/basic-sdk-lifecycle.md 2.4 KB
- examples/production-node-sdk/multi-instance-cleanup.md 4.3 KB
- examples/production-node-sdk/package-json-config.md 3.1 KB
- examples/production-node-server/docker-multi-stage.md 2.6 KB
- examples/production-node-server/graceful-shutdown.md 3.6 KB
- examples/production-node-server/redis-session-scaling.md 3.3 KB
- examples/production-vercel/cold-start-optimization.md 4.3 KB
- examples/production-vercel/stateless-serverless-design.md 2.9 KB
- examples/production-vercel/vercel-edge-config.md 3.9 KB
- references/common-checklist.md 12 KB
- references/distributed-ha.md 17 KB
- references/health-readiness-endpoints.md 6.3 KB
- references/production-browser.md 3.5 KB
- references/production-cli-binary.md 3.4 KB
- references/production-cli-daemon.md 4.0 KB
- references/production-cloudflare.md 3.7 KB
- references/production-lambda.md 3.7 KB
- references/production-node-sdk.md 5.1 KB
- references/production-node-server.md 3.8 KB
- references/production-vercel.md 3.7 KB
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.
- 14d ago Changed 21d1ff160318
- 1mo ago First seen · 231 lines · 176 tokens per session scan A 108d9c2f266e
frontmcp-production-readiness is a skill published in the GitHub repository agentfront/frontmcp (148 stars, last pushed 3d ago), licensed Apache-2.0. It adds 176 tokens to every session and 4,076 once invoked, about $0.0007 per session on Opus 5.5. 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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