Listed skills get spot-checked with one sharp question each.
On your resume
Skills list: MCP, Copilot, Codex, Claude Code, Antigravity.
How ready are you?
Cross-questions
4
A strong answer covers
An open protocol between AI apps (clients) and servers that expose tools, resources and prompts.
Transports: stdio for local servers, Streamable HTTP for remote ones, with OAuth for authorization.
Function calling is how a model asks for a tool; MCP standardizes how tools are exposed and reused across many apps and agents.
Avoid
Describing MCP as just another agent framework.
A strong answer covers
Tool poisoning through malicious descriptions, injection via tool outputs, over-broad permissions, token passthrough and confused-deputy problems.
Mitigations: allowlisted servers, least-privilege scopes, human approval for writes and sandboxing.
Avoid
Not knowing any risks.
A strong answer covers
MCP connects an agent to tools and data. A2A connects agents to each other, with agent cards for discovery and tasks and messages that work across vendors.
Avoid
Treating them as competitors.
A strong answer covers
A project file of conventions (CLAUDE.md), planning before coding, small diffs, tests first, hooks for lint and tests, and reviewing every change.
No secrets in context; measure the effect on review time and defects.
Avoid
“I use it for everything,” with no guardrails.
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