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ta-lib-mcp

ta-lib-mcp

by yalcin
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Python
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ta-lib-mcp

Read-only Python MCP server for TA-Lib indicator discovery and computation.

What It Exposes

  • talib_list_indicators: list available indicators with group, category, and search filters.

  • talib_get_indicator_info: inspect one indicator's inputs, outputs, parameters, and category.

  • talib_compute_indicator: compute an indicator from numeric OHLCV-like arrays.

  • talib_list_categories: list indicator categories (Trend, Momentum, Volume, etc.) with descriptions.

  • talib_get_version_info: report MCP, Python, and TA-Lib versions.

Related MCP server: ibkr-mcp

Requirements

  • Python 3.13+

  • mcp[cli]

  • Optional: TA-Lib (pip install "ta-lib-mcp-server[talib]")

If TA-Lib is missing, the server still starts and returns actionable errors for TA-Lib tools.

Install

pip install -e ".[dev,talib]"

Run

ta-lib-mcp

MCP Client Configuration

Claude Desktop

{
  "mcpServers": {
    "ta-lib": {
      "command": "ta-lib-mcp",
      "env": {
        "TALIB_MCP_LOG_LEVEL": "INFO"
      }
    }
  }
}

Codex

[mcp_servers.talib]
command = "ta-lib-mcp"
args = []

[mcp_servers.talib.env]
TALIB_MCP_LOG_LEVEL = "INFO"

Gemini CLI

{
  "mcpServers": {
    "ta-lib": {
      "command": "ta-lib-mcp",
      "env": {
        "TALIB_MCP_LOG_LEVEL": "INFO"
      }
    }
  }
}

Development

pip install -e ".[dev,talib]"
pytest
ruff check src tests
ruff format src tests
mypy src

Engineering Rules

  • Read-only server behavior only; no stateful or exchange-connected operations.

  • External MCP tool inputs are validated in src/ta_lib_mcp/validators.py.

  • Do not use eval or exec.

Available Tools

5 tools
talib_compute_indicatorA
Read-onlyIdempotent

Compute a TA-Lib indicator from aligned numeric inputs.

Computes the requested indicator over the provided numeric arrays and returns the result. All input arrays must have the same length.

Args: indicator: TA-Lib indicator name (e.g., "SMA", "RSI", "MACD"). inputs: Aligned numeric input arrays (e.g., {"close": [1.0, 2.0, 3.0]}). parameters: Optional indicator parameters (e.g., {"timeperiod": 14}).

Returns: Computation result with indicator name, length, parameters, and output values.

Inputs: indicator (required), inputs (required), parameters. Returns: object

talib_get_indicator_infoA
Read-onlyIdempotent

Get metadata for a specific TA-Lib indicator.

Returns the indicator's group, category, display name, required inputs, outputs, default parameters, and lookback period.

Args: indicator: TA-Lib indicator name (e.g., "SMA", "RSI", "MACD").

Returns: Indicator metadata with inputs, outputs, parameters, and lookback.

Inputs: indicator (required). Returns: object

talib_get_version_infoA
Read-onlyIdempotent

Return server, Python, and TA-Lib version information.

Returns version information including the ta-lib-mcp server version, TA-Lib availability, and Python version.

Returns: Version information dictionary.

Inputs: no named parameters. Returns: object

talib_list_categoriesA
Read-onlyIdempotent

List available indicator categories with descriptions.

Returns all indicator categories (Trend, Momentum, Volume, etc.) with descriptions and example indicators for each category.

Returns: List of category summaries with name, description, and examples.

Inputs: no named parameters. Returns: result

talib_list_indicatorsA
Read-onlyIdempotent

List TA-Lib indicators with optional group, category, and search filters.

Returns indicator names with group and category metadata. Use the optional filters to narrow results by TA-Lib group, category, or keyword search.

Args: group: Optional TA-Lib group filter (e.g., "Overlap Studies"). category: Optional category filter (e.g., "Trend", "Momentum"). search: Optional keyword search for indicator names. limit: Maximum number of indicators to return (1-1000).

Returns: List of indicator summaries with name, group, and category.

Inputs: group, category, search, limit. Returns: result

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
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    TDQS

    A4.4/5.0

    Scored across 5 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose: computing an indicator, getting metadata, listing categories, listing indicators, and version info. There is no overlap or ambiguity.

    Naming Consistency5/5

    All tool names follow a consistent 'talib_verb_noun' pattern in snake_case, making them predictable and easy to understand.

    Tool Count5/5

    With 5 tools covering discovery, metadata, computation, and version info, the set is well-scoped and efficiently supports the TA-Lib domain.

    Completeness5/5

    The set provides complete coverage: you can discover indicators, get detailed info, and compute them. No obvious gaps for typical usage.

    Resources

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