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DressPD

crypto_mcp

by DressPD

crypto_mcp

crypto_mcp is a refactor of crypto_bot into a single MCP-first repository.

Python requirement: >=3.11.

For user-facing capability map, see: docs/CAPABILITIES.MD.

What this project does

  • Expose deterministic MCP tools over stdio.

  • Keep transport contract stable for LLM clients.

  • Separate market data (safe/read-only) from trading (gated).

  • Keep exchange adapters replaceable.

Related MCP server: Alpaca Trading Bot MCP Server

Architecture

  • src/crypto_mcp/mcp_server.py: FastMCP server and tool definitions.

  • src/crypto_mcp/agent.py: NL command router mapping prompts to MCP tools.

  • src/crypto_mcp/config.py: Typed settings loader with sane defaults and clamps.

  • src/crypto_mcp/adapters/binance.py: Binance HTTP adapter abstraction.

  • src/crypto_mcp/main.py: Runnable MCP entrypoint.

  • tests/: MCP contract, core server, and agent unit tests.

Detailed architecture: docs/ARCHITECTURE.MD.

Capabilities quick table

Area

What it does

Main MCP tools

Runtime health

Reports service state, limits, mode, exchanges

health

Exchange inventory

Lists adapter-backed exchanges

list_exchanges

Market data

Fetches ticker prices and symbol lists

get_price, list_exchange_symbols

Guarded execution

Submits demo orders with explicit confirmation gate

submit_demo_order, confirm_pending_order

NL routing

Maps natural language to MCP tool calls

crypto-mcp-agent

Design pattern references taken from polymarket_mcp:

  • deterministic tool envelope: {ok, tool, ...}

  • bounded limits for list/read tools

  • safety confirmation flow for trade tools

  • split entrypoint (main.py) from MCP server implementation

Quickstart

python -m venv .venv
source .venv/bin/activate
pip install -e ".[dev]"
cp .env.example .env
python -m pytest
crypto-mcp-server
# separate terminal
crypto-mcp-agent

Setup path-style variant:

cd /path/to/crypto_mcp
python -m venv .venv
source .venv/bin/activate
pip install -e ".[dev]"
cp .env.example .env

Alternative module runner:

python -m crypto_mcp.main
crypto-mcp

Safety defaults

  • DRY_RUN=true

Default path is non-live demo execution.

Run MCP server locally

Stdio server (local MCP clients):

crypto-mcp-server

For MCP Inspector debugging:

npx @modelcontextprotocol/inspector python -m crypto_mcp.main

Do not write print() logs inside stdio server paths. Use logging to stderr.

Available MCP tools:

  • health

  • list_exchanges

  • get_price

  • list_exchange_symbols

  • submit_demo_order

  • confirm_pending_order

Tool response envelope is consistent:

  • ok: boolean

  • tool: tool name

  • error + error_category on failures

  • tool-specific payload under payload

MCP limits are controlled by:

  • MCP_DEFAULT_LIMIT

  • MCP_MAX_LIMIT

  • MCP_CONTEXT_MODE (shared or request)

Order safety controls are controlled by:

  • DRY_RUN

  • REQUIRE_CONFIRMATION_ABOVE_USD

Connect this MCP to clients

Use path placeholders:

  • path/to/crypto_mcp = repository root.

  • path/to/crypto_mcp/.venv/bin/python = project interpreter.

GitHub Copilot (VS Code Agent Mode)

Add MCP server config in your VS Code MCP settings JSON:

{
  "mcpServers": {
    "crypto-mcp": {
      "command": "python",
      "args": ["-m", "crypto_mcp.main"],
      "cwd": "path/to/crypto_mcp",
      "env": {
        "PYTHONPATH": "src"
      }
    }
  }
}

If your environment requires venv binary, use:

{
  "command": "path/to/crypto_mcp/.venv/bin/python",
  "args": ["-m", "crypto_mcp.main"]
}

Claude Desktop

Edit Claude Desktop MCP config and add:

{
  "mcpServers": {
    "crypto-mcp": {
      "command": "path/to/crypto_mcp/.venv/bin/python",
      "args": ["-m", "crypto_mcp.main"],
      "cwd": "path/to/crypto_mcp",
      "env": {
        "PYTHONPATH": "src"
      }
    }
  }
}

Restart Claude Desktop after changes.

OpenCode

OpenCode can run MCP from command config. Add server entry in your OpenCode MCP configuration:

{
  "mcpServers": {
    "crypto-mcp": {
      "command": "path/to/crypto_mcp/.venv/bin/python",
      "args": ["-m", "crypto_mcp.main"],
      "cwd": "path/to/crypto_mcp",
      "env": {
        "PYTHONPATH": "src"
      }
    }
  }
}

Then restart OpenCode session and verify tools:

  • health

  • list_exchanges

  • get_price

  • list_exchange_symbols

  • submit_demo_order

  • confirm_pending_order

OpenCode install and usage:

# install OpenCode (example)
npm install -g opencode-ai

# verify installation
opencode --version

# start session in this repository
cd path/to/crypto_mcp
opencode

Inside OpenCode:

  • ensure MCP server crypto-mcp is connected.

  • run a quick tool check with health.

  • ask natural language command examples:

    • "get btcusdt price"

    • "list 20 symbols"

    • "buy 50 btcusdt"

Environment

Copy .env.example to .env and update values.

  • MCP_DEFAULT_LIMIT, MCP_MAX_LIMIT

  • MCP_CONTEXT_MODE (shared or request)

  • DRY_RUN (true/false)

  • EXCHANGES_ENABLED (binance default)

  • GEMINI_API_KEY (optional, used by local NL routing layer)

  • BINANCE_API_BASE_URL

  • BINANCE_API_KEY, BINANCE_API_SECRET

  • REQUIRE_CONFIRMATION_ABOVE_USD

For this task, an empty .env file exists and is safe because defaults are clamped.

What this MCP can do

Read-only tools:

  • health: service status, context mode, limits, enabled exchanges.

  • list_exchanges: list adapter-backed exchanges.

  • get_price: fetch ticker price for symbol/exchange.

  • list_exchange_symbols: bounded symbol list with clamp.

Trading flow tools (safety-gated):

  • submit_demo_order: validates side/symbol/size and creates pending confirmation above threshold.

  • confirm_pending_order: executes pending order if valid and not expired.

Order confirmation flow:

  1. Call submit_demo_order.

  2. If payload has status=pending_confirmation, capture confirmation_id.

  3. Call confirm_pending_order(confirmation_id).

Contract:

  • deterministic response envelope: {ok, tool, payload} on success.

  • deterministic error envelope: {ok, tool, error, error_category} on failure.

  • live trading intentionally disabled: returns live_trading_not_implemented when DRY_RUN=false.

Safety Notes

  • submit_demo_order never executes live orders; with DRY_RUN=false it returns live_trading_not_implemented.

  • submit_demo_order requires explicit confirmation for large notional.

  • response shape never raises raw exceptions to MCP caller; errors are categorized.

Tests

python -m pytest

Important notes

  • Local MCP stdio transport must keep stdout clean JSON-RPC only.

  • This project is starter infrastructure. Not trading advice.

  • Add stronger risk modules before real funds.

Known improvement areas (scan summary)

  • Add adapter-level symbol tradability validation before order acceptance.

  • Replace broad internal exception mapping with sanitized provider error codes.

  • Add confirmation-expiry regression tests at MCP wrapper level.

  • Add optional HTTP transport runner for remote clients.

Available Tools

6 tools
confirm_pending_orderD
ParametersJSON Schema
NameRequiredDescriptionDefault
confirmation_idYes

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_priceD
ParametersJSON Schema
NameRequiredDescriptionDefault
symbolYes
exchangeYes

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

healthD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_exchangesD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_exchange_symbolsD
ParametersJSON Schema
NameRequiredDescriptionDefault
limitNo
exchangeYes

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

submit_demo_orderD
ParametersJSON Schema
NameRequiredDescriptionDefault
sideNoBUY
symbolNoBTCUSDT
exchangeNobinance
usd_sizeNo

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 6 tool updatesv0.1.0
    • First observedconfirm_pending_order
    • First observedget_price
    • First observedhealth
    • First observedlist_exchange_symbols
    • First observedlist_exchanges
    • First observedsubmit_demo_order

TDQS

C2/5.0
Disambiguation5/5

Each tool has a clearly distinct purpose: health for server status, list_exchanges for exchange discovery, get_price for market data, list_exchange_symbols for symbol discovery, and the two order tools for demo order submission and confirmation. No two tools appear to overlap in functionality.

Naming Consistency4/5

Most tool names follow a verb_noun pattern with snake_case (list_exchanges, get_price, submit_demo_order), but 'health' is a bare noun that deviates from this pattern. Overall, the naming is consistent and predictable.

Tool Count5/5

Six tools is a well-scoped size for a crypto demo trading server, covering health, market data, and order lifecycle without unnecessary bloat. The count fits comfortably within the ideal range.

Completeness3/5

The tool set covers market data (price, symbols) and demo order submission/confirmation, but lacks common trading operations like order cancellation, order status retrieval, or balance queries. These gaps could hinder agents trying to manage orders beyond the basic submission flow.

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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