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.
npx agentmods add instructions/severity1/3commas-mcp/claude-mdgit clone --depth 1 https://github.com/severity1/3commas-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/severity1/3commas-mcp/claude-md)<a href="https://agentmods.dev/instructions/severity1/3commas-mcp/claude-md"><img src="https://agentmods.dev/badge/instructions/severity1/3commas-mcp/claude-md.svg" alt="Measured on agentmods" 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 | $0.00487 | $0.00487 |
| Opus 5 | $0.00244 | $0.00244 |
| Sonnet 5 | $0.00097 | $0.00097 |
| Haiku 4.5 | $0.00049 | $0.00049 |
Grade A, and why
3commas-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 5d 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
3Commas MCP Development
Context: 3Commas MCP server development with trading safety focus
Essential Commands
- Setup:
uv sync && uv pip install -e . - API Testing:
python scripts/test_api.py <endpoint>(mandatory before implementation) - Quality Checks:
uv run -m black . && uv run -m ruff format . && uv run -m ruff check . && uv run -m mypy . - Planning: Use
/plan <api-identifier>for systematic implementation workflow
Core Principles
- Trading safety first - Validate operations before execution
- Script validation mandatory - Always test APIs before implementation
- Pattern compliance - Follow @docs/PATTERNS.md exactly
- Privacy protection - Use dummy data ONLY when documenting (bot ID 12345678, $245.67 profit)
- KISS & DRY - Keep implementations simple and avoid code duplication
Component Focus
- API layer - HMAC-SHA256 auth, rate limiting (100/min global, 120/min deals, 40/10s smart_trades)
- Model layer - Pydantic validation with Field() constraints and enum integration
- Tool layer - @handle_api_errors decorator with filter_response() application
- Utils layer - Error handling, response filtering, authentication utilities
Required Workflow
- Test endpoint:
python scripts/test_api.py <endpoint>(check token limits) - Validate parameters: Use script-validated parameter names only
- Follow patterns: Implement using established patterns in @docs/PATTERNS.md
- Update documentation: All 4 layers (status, tools, models, conversations)
Integration Requirements
- All tools use @handle_api_errors decorator
- All responses use filter_response() before return
- All models inherit from APIRequest with response_filter field
- Authentication handled automatically via api_request()
Available Infrastructure
- FastMCP Server:
server.pywith tool registration - Rate Limiting: Automatic endpoint detection and limit application
- Token Optimization: Response filtering (85% reduction on display mode)
- Error Handling: Consistent {"error": "message"} formatting
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.
- 5d ago First seen · 40 lines · 487 tokens per session scan A 2339f98abe69
3commas-mcp CLAUDE.md is an instructions file published in the GitHub repository severity1/3commas-mcp (3 stars, last pushed 1y ago), licensed MIT. It adds 487 tokens to every session, about $0.0024 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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