Hintlint
hintlint · by vsnmtej
Verify MCP tool annotations match actual behavior. Detect annotation drift in Model Context Protocol servers.
No known CVEs
Apache-2.0 license
Actively maintained
Last commit 17d ago
Works with most clients
Transport: stdio, sse
2 tools · ~77 tok
Grade A · 0.0% of 200K ctx
MCPpedia last refreshed this data
Hintlint is an MCP server that verify MCP tool annotations match actual behavior. Detect annotation drift in Model Context Protocol servers. Its tool list has not been published yet over stdio and sse, requires no API key, and scores 85/100 on MCPpedia's security, maintenance and efficiency rubric.
Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"hintlint": {
"args": [
"-y",
"hintlint"
],
"command": "npx"
}
}
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Read me
What Hintlint does
MCP servers declare tool annotations — readOnlyHint, destructiveHint, openWorldHint — that tell agent runtimes which tools need human approval. Nothing verifies these annotations are accurate. HintLint does.
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
npx -y 'hintlint' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
85/100across 5 weighted dimensions
0255075100
30
10
20
15
10
−15
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked hintlint against OSV.dev.
Inventory
Tools (2)
Click any tool to inspect its schema.
~77 tokens total
Community
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Frequently Asked Questions
- Is Hintlint safe to use?
- Hintlint has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments. Licensed under Apache-2.0.
- How do I install Hintlint?
- Hintlint supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can Hintlint do?
- Hintlint provides 2 tools: Contributing, License. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Hintlint?
- Hintlint is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse transport.
- Is Hintlint actively maintained?
- Hintlint is actively maintained — last commit was 17 days ago. It has 1 GitHub stars.
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Community
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