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Update MCP reference for the retrieve_skill tool - #5441
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Jeremy Rose (jeremyrose-viam) merged 3 commits intoOct 29, 2026
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app#14032 (APP-17973) registers a read-only use_skill tool on the Viam MCP server. It returns a configuration playbook by name; the first one, resource-notes, explains the builder's notes scratchpad field. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HJj9jiAsPFAobPf781HS9K
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Update: Holding this per the MCP team's request while they make some upcoming revisions to the tool. |
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Hey Shannon Bradshaw (@shannonbradshaw) — CI is green and no reviewer is assigned yet. Could you request one when you have a chance? Auto-comment from overwatch. Will not re-nudge for 7 days. |
app#13783 (APP-18050) renames the MCP server's use_skill tool to retrieve_skill and adds an optional path argument for a skill's reference files. It is still a read-only tool. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Nja2XpwzQfFLZspPY9ZWkP
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Updated 2026-10-29: the MCP team's revisions to this tool landed in viamrobotics/app#13783 (APP-18050):
use_skillis nowretrieve_skill. This PR now addsretrieve_skillinstead (commit 73b2700), after mergingmain(which added the machine favorites tools in #5455).Source changes
use_skillMCP tool toretrieve_skilland adds an optionalpathargument for a skill's reference files (defaultSKILL.md). It is still registered withreadOnlyTool(...)inmcpserver/tools_skills.go. The PR also serves skills over the MCP Skills extension (skills/list,skills/get, andskill://viam/resources), adds aset-up-obstaclesskill besideresource-notes, and stops advertising the unusedloggingcapability. App deploys continuously, so this is live.use_skill.Documents: no ticket key found (APP-18050 and APP-17973 and their parent APP-17885 have no DOCS ticket attached)
Docs changes
static/include/app/mcpserver/generated/mcp-tools-table.md: addsretrieve_skillunder Read-only. It returns built-in skill text and changes nothing, so it matches the page's Read-only definition.I checked every tool registration in
mcpserver/on appmainagainst the table. Apart fromretrieve_skill, the missing tools areread_simulation,start_simulationandstop_simulation(left out on purpose: they work only for organizations with simulation enabled, tracked for GA with the simulation UI), and the experimentalset_machine_configandset_machine_config_properties, which the agent's backlog tracks separately (app#14104, app#14146).How I found these
mcpserver(see the docs repo's CLAUDE.md, "MCP server tool table").use_skill,retrieve_skill,resource-notes,skillacrossdocs/,static/,data/,layouts/,assets/: only this PR's own row.make build-prodpasses, and/reference/mcp/renders the new row.Generated by daily docs change agent
https://claude.ai/code/session_01Nja2XpwzQfFLZspPY9ZWkP
Generated by Claude Code