Xpersona

Crawler Summary

claude-mcp-data-explorer answer-first brief

A TypeScript MCP server for data exploration with Claude Claude MCP Data Explorer for Windows A TypeScript implementation of a Model Context Protocol (MCP) server for data exploration with Claude. This server integrates with Claude Desktop and enables advanced data analysis by providing tools to load CSV files and execute JavaScript data analysis scripts. Prerequisites - Node.js v16+ - $1 - Claude Desktop - $1 Installation (Updated for Windows) 1. **Clone this repository** Published capability contract available. No trust telemetry is available yet. 8 GitHub stars reported by the source. Last updated 2/24/2026.

Freshness

Last checked 2/22/2026

Best For

Contract is available with explicit auth and schema references.

Not Ideal For

claude-mcp-data-explorer is not ideal for teams that need stronger public trust telemetry, lower setup complexity, or more explicit contract coverage before production rollout.

Evidence Sources Checked

editorial-content, capability-contract, runtime-metrics, public facts pack

CardFactsSnapshotContractTrust
Claim this agent
Agent DossierGitHubSafety: 93/100

claude-mcp-data-explorer

A TypeScript MCP server for data exploration with Claude Claude MCP Data Explorer for Windows A TypeScript implementation of a Model Context Protocol (MCP) server for data exploration with Claude. This server integrates with Claude Desktop and enables advanced data analysis by providing tools to load CSV files and execute JavaScript data analysis scripts. Prerequisites - Node.js v16+ - $1 - Claude Desktop - $1 Installation (Updated for Windows) 1. **Clone this repository**

MCPverified

Public facts

7

Change events

1

Artifacts

0

Freshness

Feb 22, 2026

Verifiededitorial-content1 verified compatibility signal8 GitHub stars

Published capability contract available. No trust telemetry is available yet. 8 GitHub stars reported by the source. Last updated 2/24/2026.

8 GitHub starsSchema refs publishedTrust evidence available

Trust score

Unknown

Compatibility

MCP

Freshness

Feb 22, 2026

Vendor

Tofunori

Artifacts

0

Benchmarks

0

Last release

0.1.0

Executive Summary

Key links, install path, and a quick operational read before the deeper crawl record.

Verifiededitorial-content

Summary

Published capability contract available. No trust telemetry is available yet. 8 GitHub stars reported by the source. Last updated 2/24/2026.

View Source

Setup snapshot

git clone https://github.com/tofunori/claude-mcp-data-explorer.git
  1. 1

    Setup complexity is MEDIUM. Standard integration tests and API key provisioning are required before connecting this to production workloads.

  2. 2

    Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Evidence Ledger

Everything public we have scraped or crawled about this agent, grouped by evidence type with provenance.

Verifiededitorial-content
Vendor (1)

Vendor

Tofunori

profilemedium
Observed Feb 24, 2026Source linkProvenance
Compatibility (2)

Protocol compatibility

MCP

contracthigh
Observed Feb 24, 2026Source linkProvenance

Auth modes

mcp, api_key

contracthigh
Observed Feb 24, 2026Source linkProvenance
Artifact (1)

Machine-readable schemas

OpenAPI or schema references published

contracthigh
Observed Feb 24, 2026Source linkProvenance
Adoption (1)

Adoption signal

8 GitHub stars

profilemedium
Observed Feb 24, 2026Source linkProvenance
Security (1)

Handshake status

UNKNOWN

trustmedium
Observed unknownSource linkProvenance
Integration (1)

Crawlable docs

6 indexed pages on the official domain

search_documentmedium
Observed Apr 15, 2026Source linkProvenance

Release & Crawl Timeline

Merged public release, docs, artifact, benchmark, pricing, and trust refresh events.

Self-declaredagent-index

Docs Update

Docs refreshed: Sign in to GitHub · GitHub

search_documentmedium

Fresh crawlable documentation was indexed for the official domain.

Observed Apr 15, 2026

Artifacts Archive

Extracted files, examples, snippets, parameters, dependencies, permissions, and artifact metadata.

Self-declaredGITHUB MCP

Extracted files

0

Examples

4

Snippets

0

Languages

typescript

Executable Examples

cmd

git clone https://github.com/tofunori/claude-mcp-data-explorer.git
   cd claude-mcp-data-explorer

cmd

npm install

cmd

npm run setup

cmd

npm run build
npm run start

Docs & README

Full documentation captured from public sources, including the complete README when available.

Self-declaredGITHUB MCP

Docs source

GITHUB MCP

Editorial quality

ready

A TypeScript MCP server for data exploration with Claude Claude MCP Data Explorer for Windows A TypeScript implementation of a Model Context Protocol (MCP) server for data exploration with Claude. This server integrates with Claude Desktop and enables advanced data analysis by providing tools to load CSV files and execute JavaScript data analysis scripts. Prerequisites - Node.js v16+ - $1 - Claude Desktop - $1 Installation (Updated for Windows) 1. **Clone this repository**

Full README

Claude MCP Data Explorer for Windows

A TypeScript implementation of a Model Context Protocol (MCP) server for data exploration with Claude. This server integrates with Claude Desktop and enables advanced data analysis by providing tools to load CSV files and execute JavaScript data analysis scripts.

Prerequisites

Installation (Updated for Windows)

  1. Clone this repository

    git clone https://github.com/tofunori/claude-mcp-data-explorer.git
cd claude-mcp-data-explorer

  2. Install dependencies

    npm install

  3. Build and run setup script

    npm run setup

    This will:

    • Build the TypeScript code to JavaScript
    • Configure Claude Desktop to use the compiled JavaScript
    • Create necessary directories

  4. Restart Claude Desktop and enable Developer Mode

    • Close Claude Desktop completely
    • Start Claude Desktop
    • Go to Help → Enable Developer Mode

Manual Testing

You can test the server directly by running:

npm run build
npm run start

The server should start without errors. If you can run this successfully, Claude Desktop should be able to use the server as well.

How It Works

This MCP server provides two main tools for Claude:

  1. load-csv - Loads CSV data into memory for analysis
  2. run-script - Executes JavaScript code for data processing and analysis

It also includes a prompt template that guides Claude through a structured data exploration process.

Usage

  1. Start Claude Desktop

  2. Select the "Explore Data" prompt template

    • This prompt will appear in Claude Desktop after setup

  3. Enter CSV file path and exploration topic

    • Example file path: C:/Users/YourName/Documents/data.csv
    • Example topic: "Sales trends by region"

  4. Let Claude analyze your data

    • Claude will load the CSV file and generate insights automatically
    • The server handles large files efficiently using chunking

Troubleshooting

  1. Claude doesn't show the MCP server

    • Check the configuration file at %APPDATA%\Claude\claude_desktop_config.json
    • It should point to the compiled JavaScript file in the dist directory
    • Try rebuilding the project with npm run build
    • Enable Developer Mode and check the MCP Log File (Developer → Open MCP Log File)
    • Use Developer → Reload All MCP Servers to force refresh

  2. Permission errors reading files

    • Make sure Claude has access to the CSV file location
    • Try using absolute paths with forward slashes (/) or escaped backslashes (\\)

  3. JavaScript errors in scripts

    • Check that your script is compatible with the allowed modules
    • Review any error messages in Claude's response

License

MIT License - see LICENSE file for details.

Acknowledgments

  • Based on the official MCP TypeScript SDK from Anthropic
  • Thanks to the MCP community for examples and inspiration

Contract & API

Machine endpoints, protocol fit, contract coverage, invocation examples, and guardrails for agent-to-agent use.

Verifiedcapability-contract

Endpoints

Dossier APISnapshot APIContract APITrust API

Contract coverage

Status

ready

Auth

mcp, api_key

Streaming

No

Data region

global

Protocol support

MCP: verified

Requires: mcp, lang:typescript

Forbidden: none

Guardrails

Operational confidence: medium

Contract is available with explicit auth and schema references.
Trust confidence is not low and verification freshness is acceptable.
Protocol support is explicitly confirmed in contract metadata.
Invocation examples
curl -s "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/snapshot"
curl -s "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract"
curl -s "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/trust"

Reliability & Benchmarks

Trust and runtime signals, benchmark suites, failure patterns, and practical risk constraints.

Missingruntime-metrics

Trust signals

Handshake

UNKNOWN

Confidence

unknown

Attempts 30d

unknown

Fallback rate

unknown

Runtime metrics

Observed P50

unknown

Observed P95

unknown

Rate limit

unknown

Estimated cost

unknown

No benchmark suites or observed failure patterns are available.

Media & Demo

Every public screenshot, visual asset, demo link, and owner-provided destination tied to this agent.

Missingno-media
No screenshots, media assets, or demo links are available.

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Machine Appendix

Contract JSON

{
  "contractStatus": "ready",
  "authModes": [
    "mcp",
    "api_key"
  ],
  "requires": [
    "mcp",
    "lang:typescript"
  ],
  "forbidden": [],
  "supportsMcp": true,
  "supportsA2a": false,
  "supportsStreaming": false,
  "inputSchemaRef": "https://github.com/tofunori/claude-mcp-data-explorer#input",
  "outputSchemaRef": "https://github.com/tofunori/claude-mcp-data-explorer#output",
  "dataRegion": "global",
  "contractUpdatedAt": "2026-02-24T19:46:44.270Z",
  "sourceUpdatedAt": "2026-02-24T19:46:44.270Z",
  "freshnessSeconds": 19560192
}

Invocation Guide

{
  "preferredApi": {
    "snapshotUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/snapshot",
    "contractUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract",
    "trustUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/trust"
  },
  "curlExamples": [
    "curl -s \"https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/snapshot\"",
    "curl -s \"https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract\"",
    "curl -s \"https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/trust\""
  ],
  "jsonRequestTemplate": {
    "query": "summarize this repo",
    "constraints": {
      "maxLatencyMs": 2000,
      "protocolPreference": [
        "MCP"
      ]
    }
  },
  "jsonResponseTemplate": {
    "ok": true,
    "result": {
      "summary": "...",
      "confidence": 0.9
    },
    "meta": {
      "source": "GITHUB_MCP",
      "generatedAt": "2026-10-09T05:09:56.502Z"
    }
  },
  "retryPolicy": {
    "maxAttempts": 3,
    "backoffMs": [
      500,
      1500,
      3500
    ],
    "retryableConditions": [
      "HTTP_429",
      "HTTP_503",
      "NETWORK_TIMEOUT"
    ]
  }
}

Trust JSON

{
  "status": "unavailable",
  "handshakeStatus": "UNKNOWN",
  "verificationFreshnessHours": null,
  "reputationScore": null,
  "p95LatencyMs": null,
  "successRate30d": null,
  "fallbackRate": null,
  "attempts30d": null,
  "trustUpdatedAt": null,
  "trustConfidence": "unknown",
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Capability Matrix

{
  "rows": [
    {
      "key": "MCP",
      "type": "protocol",
      "support": "supported",
      "confidenceSource": "contract",
      "notes": "Confirmed by capability contract"
    },
    {
      "key": "claude",
      "type": "capability",
      "support": "supported",
      "confidenceSource": "profile",
      "notes": "Declared in agent profile metadata"
    },
    {
      "key": "mcp",
      "type": "capability",
      "support": "supported",
      "confidenceSource": "profile",
      "notes": "Declared in agent profile metadata"
    },
    {
      "key": "data",
      "type": "capability",
      "support": "supported",
      "confidenceSource": "profile",
      "notes": "Declared in agent profile metadata"
    },
    {
      "key": "exploration",
      "type": "capability",
      "support": "supported",
      "confidenceSource": "profile",
      "notes": "Declared in agent profile metadata"
    }
  ],
  "flattenedTokens": "protocol:MCP|supported|contract capability:claude|supported|profile capability:mcp|supported|profile capability:data|supported|profile capability:exploration|supported|profile"
}

Facts JSON

[
  {
    "factKey": "docs_crawl",
    "category": "integration",
    "label": "Crawlable docs",
    "value": "6 indexed pages on the official domain",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  },
  {
    "factKey": "protocols",
    "category": "compatibility",
    "label": "Protocol compatibility",
    "value": "MCP",
    "href": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract",
    "sourceType": "contract",
    "confidence": "high",
    "observedAt": "2026-02-24T19:46:44.270Z",
    "isPublic": true
  },
  {
    "factKey": "auth_modes",
    "category": "compatibility",
    "label": "Auth modes",
    "value": "mcp, api_key",
    "href": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract",
    "sourceType": "contract",
    "confidence": "high",
    "observedAt": "2026-02-24T19:46:44.270Z",
    "isPublic": true
  },
  {
    "factKey": "schema_refs",
    "category": "artifact",
    "label": "Machine-readable schemas",
    "value": "OpenAPI or schema references published",
    "href": "https://github.com/tofunori/claude-mcp-data-explorer#input",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/contract",
    "sourceType": "contract",
    "confidence": "high",
    "observedAt": "2026-02-24T19:46:44.270Z",
    "isPublic": true
  },
  {
    "factKey": "vendor",
    "category": "vendor",
    "label": "Vendor",
    "value": "Tofunori",
    "href": "https://github.com/tofunori/claude-mcp-data-explorer",
    "sourceUrl": "https://github.com/tofunori/claude-mcp-data-explorer",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-02-24T19:43:14.176Z",
    "isPublic": true
  },
  {
    "factKey": "traction",
    "category": "adoption",
    "label": "Adoption signal",
    "value": "8 GitHub stars",
    "href": "https://github.com/tofunori/claude-mcp-data-explorer",
    "sourceUrl": "https://github.com/tofunori/claude-mcp-data-explorer",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-02-24T19:43:14.176Z",
    "isPublic": true
  },
  {
    "factKey": "handshake_status",
    "category": "security",
    "label": "Handshake status",
    "value": "UNKNOWN",
    "href": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/trust",
    "sourceUrl": "https://www.xpersona.co/api/v1/agents/mcp-tofunori-claude-mcp-data-explorer/trust",
    "sourceType": "trust",
    "confidence": "medium",
    "observedAt": null,
    "isPublic": true
  }
]

Change Events JSON

[
  {
    "eventType": "docs_update",
    "title": "Docs refreshed: Sign in to GitHub · GitHub",
    "description": "Fresh crawlable documentation was indexed for the official domain.",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  }
]

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