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Agent Toolbelt MCP server

by marras0914·io.github.marras0914/agent-toolbelt-mcp·v1.0.0·1 stars
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19 focused API tools for AI agents: contract review, prompt optimizer, context packing, and more.

B78/100grade B
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Safety scan
B78/100

full report

Adoption
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1 stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

Agent Toolbelt tools (20)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • audit_dependencies

    Audit npm and PyPI packages for known CVEs using the OSV database (GitHub Dependabot's source).

  • build_cron

    Convert natural language schedule descriptions into cron expressions.

  • build_regex

    Build and test regular expressions from natural language descriptions.

  • compare_documents

    Compare two versions of a document and produce a semantic diff with additions, deletions, and modifications.

  • convert_markdown

    Convert HTML to clean Markdown, or Markdown to HTML.

  • count_tokens

    Count tokens for any text across multiple LLM models and get per-model cost estimates.

  • csv_to_json

    Convert CSV data to typed JSON. Auto-detects delimiters, uses the first row as headers,

  • extract_contract_clauses

    Extract key clauses from a contract — parties, payment terms, termination, liability, IP ownership, confidentiality, and more.

  • extract_from_text

    Extract structured data from raw text: emails, URLs, phone numbers, dates, currencies, addresses, names, or JSON blocks.

  • extract_meeting_action_items

    Extract structured action items, decisions, and a summary from meeting notes or transcripts.

  • fetch_url_metadata

    Fetch a URL and extract its metadata: title, description, Open Graph tags (og:image, og:type),

  • generate_brand_kit

    Generate a complete brand kit from a company name, industry, and aesthetic keywords.

  • generate_color_palette

    Generate a color palette from a description, mood, industry, or hex seed color.

  • generate_schema

    Generate a JSON Schema, TypeScript interface, or Zod validation schema from a natural language description of a data structure.

  • list_tools

    List all tools available in the Agent Toolbelt API catalog, including descriptions and pricing.

  • mock_api_response

    Generate realistic mock API responses from a JSON Schema.

  • normalize_address

    Normalize a US mailing address to USPS standard format.

  • optimize_prompt

    Analyze and improve an LLM prompt. Scores clarity, specificity, structure, and completeness.

  • pack_context_window

    Pack content chunks into a token budget for an LLM context window.

  • strip_image_metadata

    Strip EXIF, GPS, IPTC, XMP, and ICC metadata from an image for privacy.

Public scan report

scanner v0.1.10 · 2026-09-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan2 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 37 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 78/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Agent Toolbelt in Claude Code, Cursor or VS Code

Runs npx -y agent-toolbelt-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add agent-toolbelt-mcp -- npx -y agent-toolbelt-mcp
Add to Cursor

What the publisher says

From the Agent Toolbelt repository's README, as published. We do not edit it. Read it on GitHub

Agent Toolbelt

Stock research tools for AI agents. Live financial data + Claude-synthesized analysis, served as 7 focused tools — not raw OHLCV. Plus 20 utility tools for the rest of an agent's work.

Production API: https://www.agenttoolbelt.live

Quickstart

# Get a free API key (1,000 calls/month, no credit card)
curl -X POST 'https://www.agenttoolbelt.live/api/clients/register' \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com"}'

# Generate a Motley Fool-style investment thesis for any ticker
curl -X POST https://www.agenttoolbelt.live/api/tools/stock-thesis \
  -H "Authorization: Bearer atb_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"ticker": "NVDA", "timeHorizon": "3-5 years"}'

Returns: bullish/neutral/bearish verdict, thesis paragraphs, key strengths, key risks, valuation read, insider read, analyst consensus read, and what to watch in the next earnings report.

Stock research tools (7)

LLM-synthesized analysis on top of live financial data from Polygon.io, Finnhub, and Financial Modeling Prep.

Every stock tool returns a dataSources block with fetchedAt + per-source success flags so you know exactly what data backed the analysis.

Utility tools (20)

Common agent infrastructure. Rule-based tools billed at $0.0001–$0.001/call; LLM-powered tools at $0.005–$0.10/call.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Agent Toolbelt: common questions

Is Agent Toolbelt MCP server safe?
Mostly: it is graded B (78/100). Read the Agent Toolbelt safety report
How do I install Agent Toolbelt?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Agent Toolbelt need an API key?
Yes. The registry entry asks for AGENT_TOOLBELT_KEY.
Is Agent Toolbelt maintained?
The last commit was 37 days ago (2026-08-21). The latest release is v1.0.0.
What can I use instead of Agent Toolbelt?
Servers from other publishers that do the same job: Agent-Native Analytics MCP server, Image MCP server and llmtrim MCP server. Compare all Agent Toolbelt alternatives.

Alternatives to Agent Toolbelt

Same job from other publishers: the closest match first, then the best rated.

All Agent Toolbelt alternatives →
  • Agent-Native Analytics
    Agent-Native Amplitude/Mixpanel - connect data sources, prompt for charts
    A
  • Image
    AI image generation and editing with prompt optimization and quality presets
    B
  • llmtrim
    MCP server and proxy that compresses LLM prompts, tool output, and replies to cut token cost.
    A
  • GitWarren
    Code review on your own machine, for you and your coding agent. Nothing leaves your computer.
    A
  • Claude Prompts
    Reusable prompt templates, multi-step workflow chains, and quality gates for any MCP client.
    A

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