WebCrypt MCP Server

Zero-dependency Web Crypto & AI Agent MCP Server (AES-256-GCM, RSA-4096, PQC, Signatures).

Connector by putervision · GitHub account verified by the MCP Registry

IndexedMITLocal (stdio)★ 12

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Install

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/putervision-webcrypt

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

Zero-dependency Web Crypto & AI Agent MCP Server (AES-256-GCM, RSA-4096, PQC, Signatures).

Reviews

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Permissions

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

Tools: 1 read · 3 write · 0 delete · 2 not yet classified
Secrets: None asked for
Install scripts: None found
Runs as: Node.js package

Tools by what they do 6

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

Read 1 · Look things up without changing anything.

crypto_hash

Write 3 · Create, change, send or run things.

manage_keys
pqc_kem_sign
sign_verify

Not yet classified 2 · We could not tell from the name and description.

decrypt_payload
encrypt_payload

Network hosts it talks to 4

github.com · found in code
glama.ai · found in code
putervision.com · found in code
putervision.github.io · found in code

Files it touches

/usr/local/opt/nvm/nvm.sh
Your home directory (~)

Tools (6)

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

crypto_hash
Compute cryptographic hashes (SHA-256, SHA-384, SHA-512, SHA3-256, SHA3-384, SHA3-512).
decrypt_payload
Decrypt ciphertext produced by WebCrypt back into plaintext or JSON object.
encrypt_payload
Encrypt text, JSON objects, or files using AES-256-GCM symmetric or RSA-4096 hybrid asymmetric encryption.
manage_keys
Generate, export, or import cryptographic keypairs (RSA-4096/2048, ECDH P-256/P-384, HMAC).
pqc_kem_sign
Post-Quantum Cryptography operations (Kyber KEM, Dilithium signatures, and Hybrid classical+PQC KEM).
sign_verify
Create or verify digital signatures and HMAC authentication tags (ECDSA, RSA-PSS, HMAC, HMAC-SHA3).

Signals

Stars: 12
Forks: 1
Open issues: 0
Last commit: Aug 21, 2026 (2 months ago)
Last release: Aug 21, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name: io.github.putervision/webcrypt
Version: 1.0.1
Auth: No auth
Packages: npm webcrypt
License: MIT
Repository: github.com/putervision/webcrypt
Website: putervision.github.io/webcrypt/
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry github-graphql

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Cite this page

WebCrypt MCP Server. Agent Mart. https://agentmart.dev/connectors/putervision-webcrypt (last updated 2026-10-24)