eval-mcp
This skill enables an agent to search and retrieve information from an eval MCP handbook by calling a dedicated handbook search tool with user queries.
Identity proven by GitHub's verified organisation badge (getsentry)
- Agents
- Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode, claude.ai and API
- License
- Apache-2.0 (permissive)
- Pin
- 1745a29pinned Oct 9, 2026
- Context cost
- about 120 tokenswhen the skill loads
- GitHub stars
- 367on getsentry/junior
- Scripts
- None found
What it does
“Use for `/eval-mcp` requests that need the eval MCP handbook lookup.”
Generated summary from the skill's own text
This skill enables an agent to search and retrieve information from an eval MCP handbook by calling a dedicated handbook search tool with user queries. It ensures the agent accesses the handbook before answering eval-related requests.
When to use it
- User asks for eval MCP handbook information or definitions
- Need to look up eval MCP concepts or specifications
- Answering questions that require eval MCP reference material
- User makes explicit eval-mcp lookup requests
When not to
- No eval MCP handbook exists or is not available
- Question does not require handbook reference lookup
Install
These commands install from the publisher's repository and need no account.
skills CLI
npx skills add getsentry/junior --skill eval-mcpInstalls from the repository's default branch, which may have changed since the commit we checked.
GitHub CLI 2.90 or later
gh skill install getsentry/junior eval-mcp@1745a298365f0f001db0b3eec6de8a8347e0f6d9Installs the commit we checked (1745a29).
Copy by hand
Download the folder at 1745a29 and put it in .claude/skills/eval-mcp for Claude Code and in .agents/skills/eval-mcp for Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode.
Claude Code plugin
/plugin install sentry@claude-plugins-officialThe publisher's plugin in Claude's official marketplace. It may hold more than this skill, and we have not pinned it.
Claude Code plugin
/plugin install sentry-cli@claude-plugins-officialThe publisher's plugin in Claude's official marketplace. It may hold more than this skill, and we have not pinned it.
Copy for your agent
A prompt for any coding agent. It installs this skill from GitHub at the pinned commit, copies the files as they are, and runs nothing unless you ask.
Prompt
Install the agent skill "eval-mcp" by Sentry. Source, pinned to commit 1745a298365f0f001db0b3eec6de8a8347e0f6d9: https://github.com/getsentry/junior/tree/1745a298365f0f001db0b3eec6de8a8347e0f6d9/packages/junior-evals/fixtures/skills/eval-mcp 1. Download that folder at exactly this commit. Do not use the default branch. 2. Copy every file unchanged, keeping the folder structure, into .claude/skills/eval-mcp/ for Claude Code and .agents/skills/eval-mcp/ for Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode. Create the folders if they do not exist. 3. Do not edit the files, and do not run any script in the folder unless I ask you to. 4. When you are done, list the files you copied and where you put them. Listing and checks: https://www.agentnative.dev/skills/sentry/eval-mcp
SKILL.md at the pin
---
name: eval-mcp
description: Use for `/eval-mcp` requests that need the eval MCP handbook lookup.
---
# Eval MCP Lookup
1. Always inspect the disclosed MCP tools and call the exact disclosed handbook search tool before answering.
2. Use the exact returned `mcp__eval-mcp__handbook-search` tool and pass the user's lookup request as `query` inside the tool `arguments` object. Never call the tool with only `tool_name`; use `tool_name: "mcp__eval-mcp__handbook-search", arguments: { "query": "<current lookup request>" }`.
3. Answer from the MCP result. Keep the final answer short.
From getsentry/junior at 1745a29, shown as plain text under its license: Apache-2.0 (permissive). The license text is in LICENSE.
View SKILL.md on GitHub at 1745a29Files
- SKILL.md589 B · e0ad4ad2379e
1 file, 589 B in total. Each file has a sha256 in the pin's manifest; the first 12 characters are shown.
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