MCP Hashlib vs Next Devtools MCP
A side-by-side look at the MCP Hashlib and Next Devtools MCP MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Hashlib for cryptography work as a local process; choose Next Devtools MCP for developer tools as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose MCP Hashlib when
- You need dedicated capabilities in the Cryptography domain.
- You prefer a local stdio subprocess transport.
- You want tools like
hash_md5, hash_sha1, hash_sha256.
Choose Next Devtools MCP when
- You need dedicated capabilities in the Developer Tools domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
nextjs_index, nextjs_call, nextjs_docs.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Cryptography | Developer Tools |
| Quality signal | 51/100 · Good | 86/100 · Excellent |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | 832 |
| Directory activity | 2 views 0 installs 0 upvotes | 9 views 0 installs 1 upvotes |
| Tools | 22 | 4 |
| Full listing | View MCP Hashlib | View Next Devtools MCP |
Tools & capabilities
MCP Hashlib tools 22
hash_md5Compute MD5 hashhash_sha1Compute SHA1 hashhash_sha256Compute SHA256 hashhash_sha512Compute SHA512 hashhash_sha224Compute SHA224 hashhash_sha384Compute SHA384 hashhash_sha3_224Compute SHA3-224 hashhash_sha3_256Compute SHA3-256 hashhash_sha3_384Compute SHA3-384 hashhash_sha3_512Compute SHA3-512 hashhash_blake2bCompute BLAKE2b hash (512-bit)hash_blake2sCompute BLAKE2s hash (256-bit)- +10 more on the listing page
Next Devtools MCP tools 4
nextjs_indexDiscover running Next.js dev servers and list each one's runtime MCP tools.nextjs_callCall a runtime tool on a discovered server (errors, routes, logs, Server Actions).nextjs_docsGateway.** Point the agent at version-accurate docs in `node_modules/next/dist/docs/`.browser_evalGateway.** Point the agent at the [`agent-browser`](https://github.com/vercel-labs/agent-browser) CLI for browser automation.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
MCP Hashlib
{
"mcpServers": {
"mcp-hashlib": {
"command": "uvx",
"args": [
"mcp-hashlib"
]
}
}
}
Next Devtools MCP
{
"mcpServers": {
"vercel-next-devtools-mcp": {
"command": "npx",
"args": [
"-y",
"next-devtools-mcp@latest"
]
}
}
}
Frequently asked questions
MCP Hashlib is categorized under Cryptography and uses a local stdio subprocess. Next Devtools MCP belongs to Developer Tools and uses a local stdio subprocess. Pick MCP Hashlib for cryptography work and Next Devtools MCP for developer tools.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
MCP Hashlib has no declared pricing — check the project's own site. Next Devtools MCP is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add mcp-hashlib and vercel-next-devtools-mcp as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, MCP Hashlib has a quality signal of 51/100 (Good) with 2 views, 0 installs and 0 GitHub stars. Next Devtools MCP has 86/100 (Excellent) with 9 views, 0 installs and 832 GitHub stars.