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mcporter · understudy-ai | DecimalAI

agent toolingby understudy-ai

mcporter

understudy-ai/mcporter

Source understudy-ai/understudy ↗License MIT

Use the mcporter CLI to list, configure, auth, and call MCP servers/tools directly (HTTP or stdio), including ad-hoc servers, config edits, and CLI/type generation.

SkillScore86Maintained

Automatic

AI Engineer pack

Last verified 8/19/2026

What it changes

Passed 17 of 20 test cases with the skill, and 3 of 20 without it.

Without skill14%

With skill86%

Checks it passed that the model alone missed

Uses mcporter config list
Uses mcporter daemon start
Uses mcporter daemon status

and 14 more in the full report

16 fixed3 passed either way3 still failing0 broke

Pass-rate lift: +73 pp
Tokens: -51%
Agent turns: 0%
Response time: -51%

Model gemini-3.6-flashMeasured 8/19/2026v119 of 22 cases passed with skill · 20 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/understudy-ai-mcporter/SKILL.md https://app.decimal.ai/s/understudy-ai-mcporter/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add understudy-ai-mcporter, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/understudy-ai-mcporter/ and pins it in .decimal/skills.lock

decimalai skills add understudy-ai-mcporter

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/understudy-ai-mcporter/SKILL.md https://app.decimal.ai/s/understudy-ai-mcporter/SKILL.md

Raw file: /s/understudy-ai-mcporter/SKILL.md ↗ · machine-readable summary at /s/understudy-ai-mcporter.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 15 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 15

Prompt

Run the create_issue tool on the linear server with title 'Bug' using CLI function-style string syntax.

What was checked, without and with the skill
Checked	Without skill	With skill
Uses mcporter call with linear.create_issue(title: "Bug") syntax	Missed	Passed

case-09 · gemini-3.6-flash · 8/19/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md37 linessingle file

mcporter

Use mcporter to work with MCP servers directly.

Quick start

mcporter list
mcporter list <server> --schema
mcporter call <server.tool> key=value

Call tools

Selector: mcporter call linear.list_issues team=ENG limit:5
Function syntax: mcporter call "linear.create_issue(title: \"Bug\")"
Full URL: mcporter call https://api.example.com/mcp.fetch url:https://example.com
Stdio: mcporter call --stdio "bun run ./server.ts" scrape url=https://example.com
JSON payload: mcporter call <server.tool> --args '{"limit":5}'

Auth + config

OAuth: mcporter auth <server | url> [--reset]
Config: mcporter config list|get|add|remove|import|login|logout

Daemon

mcporter daemon start|status|stop|restart

Codegen

CLI: mcporter generate-cli --server <name> or --command <url>
Inspect: mcporter inspect-cli <path> [--json]
TS: mcporter emit-ts <server> --mode client|types

Notes

Config default: ./config/mcporter.json (override with --config).
Prefer --output json for machine-readable results.

Track record

Benchmark

17 / 20

test cases passed, vs 3 / 20 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

understudy-ai / understudy

skills/mcporter/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

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Ready to supercharge your AI agents?

See it in action

What's inside

mcporter

Track record

Benchmark

Adoption

SkillSafety

Source

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