An end-to-end verification guide for the CareerPilot MCP server. MCP, or Model Context Protocol, is a standard way for an AI client to communicate with tools and other server features.

Use it to test CareerPilot’s tools, resources, prompts, sampling, user confirmations, and event subscriptions over standard input and output.

It checks the real server connection instead of testing internal functions in isolation. It also shows how to use a temporary database so verification does not alter the user’s normal data.

verify — Skill for Claude Code and Codex by rani700: An end-to-end verification guide for the CareerPilot MCP server.

Install

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.

agentmods

npx agentmods add skills/rani700/careerpilot/verify

Any agent

npx skills add rani700/careerpilot --skill verify

Clone the repo

git clone --depth 1 https://github.com/rani700/careerpilot

Made for: Claude Code, Codex.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/rani700/careerpilot/verify.svg)](https://agentmods.dev/skills/rani700/careerpilot/verify)

Your own site

<a href="https://agentmods.dev/skills/rani700/careerpilot/verify"><img src="https://agentmods.dev/badge/skills/rani700/careerpilot/verify.svg" alt="Measured on agentmods" height="20"></a>

Per session 35 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 948 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin original No closer match found in the catalogue.

Token cost

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	$0.00035	$0.00948
Opus 5	$0.00017	$0.00474
Sonnet 5	$0.00007	$0.00190
Haiku 4.5	$0.00003	$0.00095

Measured 3d ago against content hash 8f0607e797eb, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

verify 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.

.claude/skills/verify/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Verifying CareerPilot

The surface is the MCP protocol over stdio — always test by spawning the real server process and speaking MCP to it, never by importing server functions.

Handle

uv sync                      # install (uses .venv)
uv run careerpilot           # server on stdio (blocks; speaks JSON-RPC)

Quick handshake probe (no client code needed):

echo '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"probe","version":"0"}}}' \
  | uv run careerpilot 2>/dev/null | head -c 400

Full E2E drive

Write a Python client using mcp.client.stdio.stdio_client + ClientSession with:

StdioServerParameters(command="uv", args=["run", "careerpilot"], cwd=<repo>, env={**get_default_environment(), "CAREERPILOT_DB": <tempfile>}) — the env override keeps the user's real DB (~/.careerpilot/) untouched. env REPLACES the environment, so merge get_default_environment() or uv won't find PATH/HOME.
sampling_callback returning a canned CreateMessageResult → exercises score_job_fit
elicitation_callback returning ElicitResult(action="accept", content={"confirm": True}) (and a decline case) → exercises delete_application
list_roots_callback pointing at a temp dir containing a *resume*.md → exercises find_resume
message_handler collecting ServerNotifications; after session.subscribe_resource("careerpilot://pipeline"), any mutating tool must produce a ResourceUpdatedNotification (allow ~0.3s).

Flows worth driving every time: search (live network) → save_job with external_id → track → update → subscribe+mutate → read pipeline + careerpilot://applications/{id} → prompt with resume in context → decline-then-accept delete.

Stage 2-4 surfaces

Watches/poller (stage 2): uv run python tests/stage2_watches_test.py — seeds a watch directly in the temp DB (no baseline), sets CAREERPILOT_POLL_SECONDS=2, and asserts the background poller pushes resources/updated with no tool call in flight.
HTTP + auth (stage 3): uv run python tests/stage3_http_test.py — spawns careerpilot --http with CAREERPILOT_TOKEN, asserts 401 (no/wrong token, with WWW-Authenticate) and a full session via streamablehttp_client with the token.
Host (stage 4): uv run careerpilot-chat --list needs no API key and must show 14 tools / 4 resources / 2 templates / 3 prompts. The chat loop (host.chat_turn) can be driven with a scripted fake LLM against the real server over stdio; a live chat turn needs ANTHROPIC_API_KEY.

Read the full file on GitHub · 72 lines

Changes

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 · 72 lines · 35 tokens per session scan A 8f0607e797eb

Subscribe to this mod's changes

verify is a skill published in the GitHub repository rani700/careerpilot (0 stars, last pushed 1mo ago), licensed Apache-2.0. It adds 35 tokens to every session and 948 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 2026-08-31.

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