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Data Curation — MCP Tool Specification

Version: v1.1.9 | Status: Active | Last Updated: March 2026

Overview​

This document defines the MCP tools exposed by the data_curation module. These tools are auto-discovered by the PAI MCP bridge via the @mcp_tool decorator in mcp_tools.py and surfaced as part of the ~303 dynamic tools available to Claude.

The data curation module provides MinHash-based deduplication capabilities, allowing AI agents to deduplicate text corpora and estimate document similarity.

Auto-Discovery​

PropertyValue
Discovery method@mcp_tool decorator scan
Namespacedata_curation
Trust defaultSafe
PAI bridgesrc/codomyrmex/agents/pai/mcp/

Tool Reference​

data_curation_deduplicate​

Description: Deduplicate a list of texts using MinHash + LSH. Trust Level: Safe Category: analysis

Parameters:

ParameterTypeRequiredDefaultDescription
textslistYes--List of text strings to deduplicate
thresholdfloatNo0.8Jaccard similarity threshold (0.0-1.0) for considering two documents as near-duplicates

Returns: dict — Dictionary with unique_texts (list of deduplicated strings) and stats (dict with total_documents, unique_documents, duplicates_removed, duplicate_pairs_found, deduplication_ratio).

Example:

from codomyrmex.data_curation.mcp_tools import data_curation_deduplicate

result = data_curation_deduplicate(
texts=["Hello world", "Hello world!", "Goodbye world"],
threshold=0.8
)

data_curation_similarity​

Description: Estimate Jaccard similarity between two texts using MinHash. Trust Level: Safe Category: analysis

Parameters:

ParameterTypeRequiredDefaultDescription
text_astrYes--First text document
text_bstrYes--Second text document

Returns: dict — Dictionary with similarity (float, rounded to 4 decimal places) and are_similar (bool, true if similarity >= 0.8).

Example:

from codomyrmex.data_curation.mcp_tools import data_curation_similarity

result = data_curation_similarity(
text_a="The quick brown fox jumps over the lazy dog",
text_b="The quick brown fox leaps over the lazy dog"
)

Integration Notes​

  • Auto-discovered: Yes (via @mcp_tool in mcp_tools.py)
  • Trust Gateway: All tools are safe — no trust check required
  • PAI Phases: OBSERVE (assess corpus quality), THINK (evaluate data overlap)
  • Dependencies: data_curation.minhash.DataCurator, data_curation.minhash.MinHash