Borrowing it
Nothing to install: this file belongs to ivo-toby/contentful-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/ivo-toby/contentful-mcp/main/CLAUDE.mdgit clone --depth 1 https://github.com/ivo-toby/contentful-mcpWrote 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/instructions/ivo-toby/contentful-mcp/claude-md)<a href="https://agentmods.dev/instructions/ivo-toby/contentful-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/ivo-toby/contentful-mcp/claude-md/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/instructions/ivo-toby/contentful-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/ivo-toby/contentful-mcp/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00296 | $0.00296 |
| Opus 5.5 | $0.00118 | $0.00118 |
| Sonnet 5.5 | $0.00059 | $0.00059 |
| Haiku 4.5 | $0.00030 | $0.00030 |
Grade A, and why
contentful-mcp CLAUDE.md 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 2mo 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.
What it actually says
Contentful MCP - Development Guide
Common Commands
- Build:
npm run build - Type Check:
npm run typecheck - Lint:
npm run lint - Run Tests:
npm test - Run Single Test:
npx vitest run test/path/to/test.test.ts - Run Tests in Watch Mode:
npm run test:watch - Dev Mode (watch & rebuild):
npm run dev
Code Style Guidelines
- Formatting: Uses Prettier with 100 char width, no semicolons, double quotes
- TypeScript: Use strict typing, avoid
anywhen possible - Imports: Order from external to internal, group related imports
- Naming: Use camelCase for variables/functions, PascalCase for types/interfaces
- Error Handling: Always handle errors in async functions with try/catch blocks
- Documentation: Add JSDoc style comments for functions and interfaces
Entity Structure
- Tools and handlers are organized by entity type (Entry, Asset, Content Type, etc.)
- Each handler should focus on a single responsibility
- Bulk actions should use the Contentful API's bulk operation endpoints
Testing
Tests use Vitest with MSW for API mocking. Organize tests in:
test/unit/- Unit tests for utility functionstest/integration/- Tests that verify handler behavior
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.
- 2mo ago First seen · 28 lines · 296 tokens per session scan A 705a9e4e5e6f
contentful-mcp CLAUDE.md is an instructions file published in the GitHub repository ivo-toby/contentful-mcp (62 stars, last pushed 9mo ago), licensed MIT. It adds 296 tokens to every session, about $0.0012 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.
contentful-mcp CLAUDE.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| contentful-mcp CLAUDE.mdivo-toby/contentful-mcp | Instructions file | 62 | 9mo ago | MIT | A | 296 | Claude Code |
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| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |