Polymath Megablaster MCP

Local deterministic calc MCP: exact math, dates, unit conversion, stats, subnet math.

Connector by headlessherm-creator · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)

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Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/headlessherm-creator-polymath-megablaster-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Local deterministic calc MCP: exact math, dates, unit conversion, stats, subnet math.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 14 read · 1 write · 0 delete · 1 not yet classified
Secrets: None asked for
Install scripts: Not scanned yet
Runs as: Node.js package

Tools by what they do 16

Read from the source code; the running server may list different tools.

Read 14 · Look things up without changing anything.

calc_subnet
calculate
check_ip_type
combinations
compute_statistics
convert_base
convert_timezone
convert_unit
count_tokens
date_diff
factorial
haversine_distance

Show 2 more tools

levenshtein_distance
permutations

Write 1 · Create, change, send or run things.

date_add

Not yet classified 1 · We could not tell from the name and description.

generate_uuid

Tools (16)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

calc_subnet
Calculate subnet details (network, broadcast, usable hosts, mask) from a CIDR like 192.168.1.0/24
calculate
Evaluate an arbitrary-precision math expression exactly (fixes LLM multi-digit arithmetic errors). Supports +,-,*,/,^,sqrt(),sin(),log(), etc.
check_ip_type
Check if an IPv4 address is private/reserved and identify which range it falls in
combinations
Compute nCr (combinations) exactly using arbitrary-precision integer math
compute_statistics
Compute mean, median, stdev, variance, min/max, and percentiles (25/75/90) for a list of numbers
convert_base
Convert a number between decimal, hex, binary, and octal
convert_timezone
Convert a UTC/ISO date into a formatted date+time string for any IANA time zone
convert_unit
Convert a value between units of length, weight, volume, or temperature (fixes LLM unit-math errors)
count_tokens
Count tokens in text using the GPT-3.5/4 (cl100k_base) tokenizer. Useful for managing context budget before sending a large prompt
date_add
Add or subtract days/weeks/months/years/businessDays from a date, handling leap years and month boundaries correctly
date_diff
Compute the exact difference between two dates in days, business days, and hours
factorial
Compute n! exactly using arbitrary-precision integer math (avoids float64 overflow past ~18)
generate_uuid
Generate real cryptographically-random UUIDs (v4). Fixes LLMs fabricating plausible-looking but non-random, potentially colliding UUID strings instead of real random ones.
haversine_distance
Compute exact great-circle distance in km/miles between two lat/long coordinates
levenshtein_distance
Compute exact edit distance and similarity ratio between two strings (deterministic fuzzy matching)

Show 1 more tools

permutations
Compute nPr (permutations) exactly using arbitrary-precision integer math

Signals

Stars: 0
Forks: 0
Open issues: 0
Last commit: Oct 22, 2026 (8 days ago)
Last release: Oct 22, 2026 (8 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name: io.github.headlessherm-creator/polymath-megablaster-mcp
Version: 3.1.0
Auth: No auth
Packages: npm polymath-megablaster-mcp
License: MIT
Repository: github.com/headlessherm-creator/polymath-megablaster-mcp
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry github-graphql

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Polymath Megablaster MCP. Agent Mart. https://agentmart.dev/connectors/headlessherm-creator-polymath-megablaster-mcp (last updated 2026-10-24)