Sparkplug B
io.github.nagarjunr/sparkplug-b · Status: active
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- Registry name
io.github.nagarjunr/sparkplug-b- Package coordinate
pypi:sparkplug-b-mcp-server- Version
0.1.0- Listed in the registry
- 2026-08-04
- Changed in the registry
- 2026-08-04
- First seen by tracevero
- 2026-08-06
- Vendor's website
- https://github.com/nagarjunr/iot-mcp-servers
MCP server for Sparkplug B: node/device discovery, metrics, commands, host state over MQTT.
Vendor's own description, untranslated and unverified
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean
Measured values
| Credentials required | no Raw declaration – Required secret variables (raw): confirmed absent Raw declaration – Required secret headers (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived |
|---|---|
| Execution location | local Raw declaration – Transports (raw): stdio Source: MCP-Register · collected on 2026-08-06 · derived |
| Path argument present | no Raw declaration – Path arguments (raw): confirmed absent Raw declaration – Path environment variables (raw): confirmed absent Source: MCP-Register · collected on 2026-08-06 · derived |
| Repository URL listed | yes Raw declaration – Repository (raw): https://github.com/nagarjunr/iot-mcp-servers Source: MCP-Register · collected on 2026-08-06 · derived |
| Version | 0.1.0 Source: MCP-Register · collected on 2026-08-06 · self-declared |
Position within the holdings
How many of the 24,717 published entries carry the same measured value. A reference figure, not an assessment.
- Credentials requiredno20,455 of 24,717 carry this value (83 %)View these entries
- Execution locationlocal12,180 of 24,717 carry this value (49 %)View these entries
- Path argument presentno24,480 of 24,717 carry this value (99 %)View these entries
- Repository URL listedyes19,247 of 24,717 carry this value (78 %)View these entries
All 4 values together are carried by 8,596 of 24,717 entries.
This entry appears in these selections
- MCP servers without credentials20,455
- Locally executed MCP servers12,180
- MCP servers with a repository URL19,247
- Local MCP servers without credentials9,277
- Local MCP servers with a repository URL11,571
- MCP servers over stdio only9,904
- MCP servers as a PyPI package only3,099
- Local MCP servers as a PyPI package only3,080
- MCP servers available as a package only10,706
- MCP servers with uvx as their only runtime hint1,002
The source's raw values23
Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.
| Environment variables (raw) | SPARKPLUG_MQTT_HOST, SPARKPLUG_HOST_ID, SPARKPLUG_MQTT_PORT, SPARKPLUG_MQTT_USERNAME, SPARKPLUG_MQTT_PASSWORD, SPARKPLUG_MQTT_USE_TLS, SPARKPLUG_GROUP_ID Source: MCP-Register · collected on 2026-08-06 · self-declared |
|---|---|
| Required secret variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Transports (raw) | stdio Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Path arguments (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Repository (raw) | https://github.com/nagarjunr/iot-mcp-servers Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Package registries (raw) | pypi Source: MCP-Register · collected on 2026-08-06 · self-declared |
| Required secret headers (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Path environment variables (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote URLs (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Remote hosts (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Registry status message (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| First listed in the registry (raw) | 2026-08-04 Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Last changed in the registry (raw) | 2026-08-04 Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Schema version of the raw record (raw) | https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Delivery form (raw) | paket Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository platform (raw) | github Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Repository subfolder (raw) | sparkplug-b Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package identifiers (raw) | sparkplug-b-mcp-server Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Package versions (raw) | 0.1.0 Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Runtime hints (raw) | uvx Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable formats (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Environment variable descriptions (raw) | SPARKPLUG_GROUP_ID=Restrict discovery/watching to a single Sparkplug Group ID; omit to subscribe to every group · SPARKPLUG_HOST_ID=This connector's Sparkplug Host Application ID (used in the spBv1.0/STATE/{id} topic). · SPARKPLUG_MQTT_HOST=MQTT broker hostname or IP. · SPARKPLUG_MQTT_PASSWORD=Broker password, if required · SPARKPLUG_MQTT_PORT=MQTT broker port, default 1883 · SPARKPLUG_MQTT_USERNAME=Broker username, if required · SPARKPLUG_MQTT_USE_TLS=true/false, default false Source: MCP-Register · collected on 2026-08-16 · self-declared |
| Icon formats (raw) | confirmed absent Source: MCP-Register · collected on 2026-08-16 · self-declared |
Changes
| 2026-08-16 | Last changed in the registry (raw): – → 2026-08-04 |
|---|---|
| 2026-08-16 | First listed in the registry (raw): – → 2026-08-04 |
| 2026-08-16 | Registry status message (raw): – → – |
| 2026-08-16 | Schema version of the raw record (raw): – → https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json |
| 2026-08-16 | Icon formats (raw): – → – |
| 2026-08-16 | Environment variable descriptions (raw): – → SPARKPLUG_GROUP_ID=Restrict discovery/watching to a single Sparkplug Group ID; omit to subscribe to every group · SPARKPLUG_HOST_ID=This connector's Sparkplug Host Application ID (used in the spBv1.0/STATE/{id} topic). · SPARKPLUG_MQTT_HOST=MQTT broker hostname or IP. · SPARKPLUG_MQTT_PASSWORD=Broker password, if required · SPARKPLUG_MQTT_PORT=MQTT broker port, default 1883 · SPARKPLUG_MQTT_USERNAME=Broker username, if required · SPARKPLUG_MQTT_USE_TLS=true/false, default false |
| 2026-08-16 | Environment variable formats (raw): – → – |
| 2026-08-16 | Delivery form (raw): – → paket |
| 2026-08-16 | Remote hosts (raw): – → – |
| 2026-08-16 | Remote URLs (raw): – → – |
These are the 10 most recent changes to this entry. Full history
tracevero · https://tracevero.com/mcp/io-github-nagarjunr-sparkplug-b