sendmux-token-efficient-usage
Choose low-token Sendmux calls across MCP, CLI, SDKs, and HTTP by using snippets, counts, batches, deltas, cursors, ETags, and idempotency.
Rank
62
Safety
84
Downloads
1.6k
Updated
Oct 10, 2026
Version
1.0.11
Source
CLAWHUB
About
What it does, and when to use it.
Capability contract not published. No trust telemetry is available yet. 1.6K downloads reported by the source. Last updated 10/10/2026.
Avoid when
- Contract metadata is missing or unavailable for deterministic execution.
Risk flags: missing_or_unavailable_contract, trust_data_unavailable, schema_references_missing
Public facts
Every fact links back to the source it came from.
- Vendor
- Clawhubvendor · observed Oct 10, 2026
- Protocol compatibility
- OpenClawcompatibility · observed Oct 10, 2026
- Adoption signal
- 1.6K downloadsadoption · observed Oct 10, 2026
- Latest release
- 1.0.11release · observed Oct 2, 2026
- Handshake status
- UNKNOWNsecurity
Install and run
Setup complexity: low.
clawhub skill install s175c163jct9mhsx0mrfbz64j989s00r:sendmux-token-efficient-usage- Install using `clawhub skill install s175c163jct9mhsx0mrfbz64j989s00r:sendmux-token-efficient-usage` in an isolated environment before connecting it to live workloads.
- No published capability contract is available yet, so validate auth and request/response behavior manually.
- Review the upstream CLAWHUB listing at https://clawhub.ai/sendmux.ai/sendmux-token-efficient-usage before using production credentials.
Contract: missing
curl -s "https://www.xpersona.co/api/v1/agents/clawhub-sendmux-ai-sendmux-token-efficient-usage/snapshot"
Documentation
CLAWHUB
146,367 characters of source documentation, loaded on request.
Extracted files
3 files captured from the source.
SKILL.md
---
name: "sendmux-token-efficient-usage"
description: "Choose low-token Sendmux calls across MCP, CLI, SDKs, and HTTP by using snippets, counts, batches, deltas, cursors, ETags, and idempotency."
version: "1.7.1"
metadata:
openclaw:
skillKey: "sendmux-token-efficient-usage"
homepage: "https://github.com/Sendmux/skills"
primaryEnv: "SENDMUX_API_KEY"
envVars:
- name: "SENDMUX_API_KEY"
required: false
description: "Optional Sendmux API key or scoped agent token used by CLI, SDK, HTTP, or MCP examples."
---
# Sendmux token-efficient usage
## ClawHub account note
This ClawHub skill connects OpenClaw agents to Sendmux. Some workflows require a Sendmux account and an appropriate Sendmux API key or agent token. Sendmux account usage is external to ClawHub; do not ask users to paste secrets into chat.
Use this skill to choose the lowest-cost Sendmux route that still answers the task correctly.
## Boundaries
- Do not ask the user to paste an API key.
- For API-key authentication, use `smx_mbx_*` keys for normal Mailbox calls.
- For a self-registered agent, reuse one durable CLI profile. Mailbox reads become available after provisioning, before owner approval; Sending stays blocked until owner approval.
- For API-key authentication, use `smx_root_*` for Management calls.
- Do not default to MCP for every task. MCP is best when the required tool is curated; CLI and SDK cover broader surfaces.
- Keep real attachment bytes outside model context and route their mechanics to `sendmux-attachments`; use the attachment route reference below.
- Do not read full mailbox bodies, every message, or every log row unless the user asks for full content and narrower calls cannot answer.
Choose the authentication connection, then its already-approved product surface. For an existing OAuth profile, use the already-known approved surface from its granted permissions or setup context. If that surface is unknown, show the surface-specific alternatives below and ask which one the profile grants; there is no universal Mailbox default.
| Authentication connection | Validate with | Ownership boundary |
| --- | --- | --- |
| Existing CLI or REST OAuth profile | The selected CLI operation: `mailbox:get-connection`, `management:get-connection`, or `sending:get-connection` | Explain that the check stays within the profile's approved surface, scopes, and mailboxes. `sendmux-cli` owns login and refresh. |
| SDK application credentials | The selected SDK operation: `mailboxGetConnection`, `managementGetConnection`, or `sendingGetConnection` | The application supplies SDK credentials; this is not a CLI profile check. |
| Already-connected MCP session | The selected MCP operation: `mailbox_get_connection`, `management_get_connection`, or `sending_get_connection` | This validates only that MCP session. `sendmux-mcp-setup` owns hosted MCP OAuth setup; it is not an alternate view of a REST profile. |
These checks need no mailbox selector and sen_meta.json
{
"ownerId": "kn77z51yqhw8mt9vjfkpt8w74989rfb3",
"slug": "sendmux-token-efficient-usage",
"version": "1.0.11",
"publishedAt": 1790915010076
}skill-card.md
## Description: Choose low-token Sendmux calls across MCP, CLI, SDKs, and HTTP by using snippets, counts, batches, deltas, cursors, ETags, and idempotency. This skill is ready for commercial/non-commercial use. ## Publisher: [sendmux.ai](https://clawhub.ai/user/sendmux.ai) ### License/Terms of Use: MIT-0 ## Use Case: Developers and agents use this guide to choose efficient Sendmux email, mailbox, and management operations while limiting unnecessary data retrieval and repeated requests. ### Deployment Geography for Use: Global ## Known Risks and Mitigations: Risk: Send, delete, or management actions can change account data or send email. Mitigation: Review each requested action before execution and grant management access only when needed. Risk: Broad credentials or unnecessary mailbox reads can expose sensitive content. Mitigation: Use scoped credentials where possible, keep secrets out of chat, and prefer snippets or targeted reads. ## Reference(s): - [Sendmux skills homepage (listed in skill metadata)](https://github.com/Sendmux/skills) - [ClawHub skill release](https://clawhub.ai/sendmux.ai/skills/sendmux-token-efficient-usage) ## Skill Output: **Output Type(s):** [Guidance, Shell commands, Code, Configuration instructions] **Output Format:** [Markdown guidance with command and API examples] **Output Parameters:** [1D] **Other Properties Related to Output:** [Recommends scoped credentials, narrow reads, batching, and safe retries.] ## Skill Version(s): 1.0.11 (source: ClawHub release metadata; artifact frontmatter says 1.7.1) ## Ethical Considerations: Users should evaluate whether this skill is appropriate for their environment, review any generated or modified files before relying on them, and apply their organization's safety, security, and compliance requirements before deployment.
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Machine-readable data
The same record, as JSON, for agents and crawlers.
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"events": [
{
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"title": "Release 1.0.11",
"description": "sendmux-token-efficient-usage v1.0.11 - Updated internal documentation in SKILL.md. - Removed the obsolete skill-card.md file. - Incremented version from 1.7.0 to 1.7.1 in SKILL.md. - No changes to runtime logic or user-facing features.",
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]
}Record generated Oct 10, 2026.
