Generate random IDs, QR codes, and hashes, encode and decode values, and geolocate IPs, plus gated network and system diagnostics, via MCP. STDIO or
Generate random IDs, QR codes, and hashes, encode and decode values, and geolocate IPs, plus gated network and system diagnostics, via MCP. STDIO or Streamable HTTP. That is what the toolkit mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.
The server publishes 9 tools. What each one is for:
toolkit_hash_value — Generate a cryptographic digest (sha256/sha512/sha1/md5), or constant-time-compare a value against an expected digesttoolkit_generate_id — Mint cryptographically-random identifiers — UUIDv4, UUIDv7, or ULID — singly or in batches up to 1000toolkit_generate_qr — Encode text or a URL into a QR code as SVG markup, base64 PNG, or a terminal-renderable stringtoolkit_encode_value — Encode or decode a value across base64, base64url, hex, or URL percent-encoding, in either directiontoolkit_geolocate_ip — Resolve a public IP or hostname to geographic and network metadata — country, city, coordinates, ASN, timezonetoolkit_check_network — Gated, off by default. Read-only network diagnostics from the server host — ping, traceroute, TCP connectivity, or egress-IP detectiontoolkit_check_system — Gated, off by default. Report a facet of the server host's system state — OS, CPU, memory, load average, or network interfacesPrerequisites — The Prerequisites tool exposed by this serverInstallation — The Installation tool exposed by this serverConfiguration is passed through the environment: MCP_TRANSPORT_TYPE, MCP_LOG_LEVEL, TOOLKIT_ENABLE_NET_DIAGNOSTICS, TOOLKIT_ENABLE_SYSTEM_INFO, TOOLKIT_GEO_API_KEY, TOOLKIT_GEO_BASE_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
Because this one is hosted, setup is mostly authentication — you point your client at the endpoint and approve access. Nothing runs on your machine, so there is no runtime to keep patched.
This sits in the knowledge and memory group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Toolkit's toolset — toolkit_hash_value, toolkit_generate_id, toolkit_generate_qr and 6 more — is a fair guide to whether it matches your workflow. It is maintained by cyanheads; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| toolkit_hash_value | Generate a cryptographic digest (sha256/sha512/sha1/md5), or constant-time-compare a value against an expected digest. |
| toolkit_generate_id | Mint cryptographically-random identifiers — UUIDv4, UUIDv7, or ULID — singly or in batches up to 1000. |
| toolkit_generate_qr | Encode text or a URL into a QR code as SVG markup, base64 PNG, or a terminal-renderable string. |
| toolkit_encode_value | Encode or decode a value across base64, base64url, hex, or URL percent-encoding, in either direction. |
| toolkit_geolocate_ip | Resolve a public IP or hostname to geographic and network metadata — country, city, coordinates, ASN, timezone. |
| toolkit_check_network | **Gated, off by default.** Read-only network diagnostics from the server host — ping, traceroute, TCP connectivity, or egress-IP detection. |
| toolkit_check_system | **Gated, off by default.** Report a facet of the server host's system state — OS, CPU, memory, load average, or network interfaces. |
| Prerequisites | The Prerequisites tool exposed by this server. |
| Installation | The Installation tool exposed by this server. |
{
"mcpServers": {
"toolkit-mcp-server": {
"type": "stdio",
"command": "bunx",
"args": ["@cyanheads/toolkit-mcp-server@latest"],
"env": {
"MCP_TRANSPORT_TYPE": "stdio",
"MCP_LOG_LEVEL": "info"
}
}
}
}Configuration as documented by the project. Restart the client after saving.
| Variable | Description | Required |
|---|---|---|
| MCP_TRANSPORT_TYPE | Configuration value read at startup. | Optional |
| MCP_LOG_LEVEL | Configuration value read at startup. | Optional |
| TOOLKIT_ENABLE_NET_DIAGNOSTICS | Configuration value read at startup. | Optional |
| TOOLKIT_ENABLE_SYSTEM_INFO | Configuration value read at startup. | Optional |
| TOOLKIT_GEO_API_KEY | Credential the server authenticates with. | Yes |
| TOOLKIT_GEO_BASE_URL | Endpoint or connection string the server talks to. | Yes |
A knowledge graph your assistant keeps between sessions — entities, relations and observations that persist.
Kill hallucinated APIs — version-accurate, up-to-date library documentation injected straight into context.
Your workspace, on speaking terms with AI — search, read and write Notion pages and databases.
A structured scratchpad for hard problems — stepwise reasoning with revisions, branches and visible logic.
Symbol-level code navigation, refactoring and memory for coding agents — the IDE brain your assistant has been missing.
Chat with your second brain — search, read and write vault notes through the Local REST API.