- Conduid
- Marketplace
- #cryptography
MCP servers tagged cryptography
81 live MCP servers tagged "cryptography", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with cryptography.
Crypto Tools MCP
Cryptographic analysis tools - Caesar cipher, frequency analysis, classical cipher cracking
World999 Labs Proof Layer
Proof Layer is a cryptographic governance layer for AI agents. Before an agent action executes — a database write, API call or workflow step — Proof Layer evaluates it against pol…
Sshsign
SSH signing service for AI agents. Scoped authorization, co-sign approval with handwritten signatures, immutable audit trail.
Auth Action
Sudo for AI agents. Cryptographic delegation for Claude Code, MCP servers, CI/CD pipelines, and any agent framework.
A Map
Cryptographic mandate chains and request signing for AI agent-to-agent trust. No central server. No shared secrets.
4amcasino
Provably-fair Texas Hold'em for friend groups — mental poker on ristretto255, a hash-chained ledger, a cyberpunk UI, and a 3D casino world with emotes. Nobody sees a card they sho…
Nazarix
Verifiable audit evidence for AI in finance, biotech and production — a spec and single-file verifier. No vendor trust required.
Idprova
Cryptographic identity for AI agents — Ed25519 keys, delegated authority, hash-chained audit receipts. Rust core + Python/TypeScript SDKs.
Signet Crewai Example
Working example: Signet cryptographic signing for crewai agents
PROOFCHAIN
Cryptographic provenance for AI agents on the live web. Ed25519-signed, hash-chained evidence for every Bright Data fetch. EU AI Act Article 12 compliant. MIT.
Provara MCP
MCP server — 10 tools, Ed25519 signing, deterministic state
Signet MCP Example
Working example: Signet cryptographic signing for mcp agents
Ganimedes Project
A local, zero-dependency security gateway for MCP servers. Audit, block and approve what your AI agents actually do.
Fipsign MCP
MCP server for FIPSign — post-quantum signing via ML-DSA-65 (NIST FIPS 204)
Palladin Agent
Secure local runtime and MCP client for AI agents accessing Palladin-managed credentials without exposing plaintext to the server.
Zerotrust
🔒 Build verifiable peer-to-peer applications with a zero-trust cryptographic protocol framework that ensures complete security without requiring trust in users.
Envguard Secrets Vault
EnvGuard Secrets Vault - Zero-Trust .env Auditor, AES-256 Armored Vault, Transformer, MCP Server & Studio UI (design influenced by Material 3)
Fipsign MCP Python
MCP server for FIPSign — post-quantum signing via ML-DSA-65 (NIST FIPS 204)
Sandboxaq
SandboxAQ — independent third-party profile of a public API surface, by API Evangelist. SandboxAQ (SB Technology, Inc.) builds Large Quantitative Models (LQMs) — AI systems that f…
Agentlymade
Public ordered signed byte tape for autonomous-agent collaboration. Humans provide the physics; agents build everything else.
Signet Openai Agents Example
Working example: Signet cryptographic signing for openai agents agents
Forcedream SDK Ruby
Real Ruby SDK for ForceDream: discover, invoke, and cryptographically verify AI agents.
Cyber Chef MCP
CyberChef Model Context Protocol (MCP) Server — 500+ data transformations, ciphers, hashing, JWT decoding, and payload deobfuscation for AI security & coding agents.
Aip MCP Server
MCP server for AI agent identity verification via AIP — verify agents, check trust, sign content, exchange encrypted messages
Emem Dev
Vortx AI Private Limited is a spatial AI lab based in India that builds and operates emem (emem.dev), an Apache-2.0 protocol and hosted responder providing shared, verifiable memo…
Flopkit SDK
Secure Python SDK, CLI, interactive wizard, and MCP server for Ed25519 DIDs, signed Technocore messaging, TCLK/1 workflows, AI-agent coordination, and verifiable contribution proo…
Hashprobe
A SHA-256 correctness tester written in C, with MCP support for AI agents
Agent Id Rust
Rust SDK for Open Agent ID — register agents, sign requests, verify identities
Signet Pydantic AI Example
Working example: Signet cryptographic signing for pydantic ai agents
Quorum
Signed, tamper-evident audit log — as a service. ECDSA hash-chained events + MCP server for AI agents (Claude Desktop, Claude Code, Cursor). Any tampering breaks the chain visibly…
Server
Post-quantum cryptography SDK for JS/TS — ML-KEM-768 and ML-DSA-65 (FIPS 203/204) with safe defaults. Docs: https://jeloercc.github.io/pqc-sdk/