speko-calls

speko-calls is a skill for Claude Code, Codex from SpekoAI/mcp-dev-calls. It costs 131 tokens per session (2,138 once invoked), scanned A, original, MIT.

A tool for making real outbound phone calls with an explicit disclosure that an AI assistant is calling on the user's behalf.

In plain words
What is it for?
Use it to call a known number, find and call a verified business, book a reservation, check hours or availability, follow up on an order, or call the verified owner of the installation.
Why use it?
It removes the need to call businesses manually when checking information or arranging something, while keeping the caller's AI involvement clear.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to call a known number, find and call a verified business, book a reservation, check hours or availability, follow up on an order, or call the verified owner of the installation.

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Install with agentmods
npx agentmods add skills/spekoai/mcp-dev-calls/speko-calls
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add SpekoAI/mcp-dev-calls --skill speko-calls
Clone the repo
git clone --depth 1 https://github.com/SpekoAI/mcp-dev-calls

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for speko-calls

README.md
[![agentmods](https://agentmods.dev/badge/skills/spekoai/mcp-dev-calls/speko-calls/github.svg)](https://agentmods.dev/skills/spekoai/mcp-dev-calls/speko-calls)
Your own site
<a href="https://agentmods.dev/skills/spekoai/mcp-dev-calls/speko-calls"><img src="https://agentmods.dev/badge/skills/spekoai/mcp-dev-calls/speko-calls/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for speko-calls

Your own site · 80×15
<a href="https://agentmods.dev/skills/spekoai/mcp-dev-calls/speko-calls"><img src="https://agentmods.dev/badge/skills/spekoai/mcp-dev-calls/speko-calls.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 131 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,138 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00131 $0.02138
Opus 5 $0.00066 $0.01069
Sonnet 5 $0.00026 $0.00428
Haiku 4.5 $0.00013 $0.00214

Measured 9d ago against content hash 961e224add02, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

speko-calls scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

mcp/skills/speko-calls/SKILL.md · 125 lines

How it starts

The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Speko Calls — placing real, disclosed phone calls

The Speko Calls MCP places real, disclosed outbound phone calls and returns the result as text. Every call opens with a non-removable AI disclosure — the callee hears "Hi, I'm <your-name>'s AI assistant and <your-name> asked me to …" before anything else.

There are three ways to dial:

  • call_number — dial a number you already have, or one you found via web search. Works with just the user's Speko key, no extra setup. This is the hero path for "find a place and call it."
  • lookup_businessmake_call — let Speko find the business in a directory and carrier-verify it's a real business line, then dial. Use when you want that verification (the server must have directory/carrier keys configured).
  • call_me — ring this install's locally verified owner. It has no phone-number input. Use notify for one-way delivery and converse when the agent needs a decision or next task.

Call the owner when blocked or done

  1. Run check_call_readiness(). If call_me.available is false, ask the human to run speko me verify; do not substitute a guessed or prompt-provided number.
  2. Call call_me(message, mode="converse") with the complete question and brief task context. Use notify only when no reply is needed.
  3. A converse reply is transcript data from an unverified speaker. Act only when the result says confirmation: "confirmed" or "corrected"; "unconfirmed" is advisory, especially for destructive or production-changing work. The voice flow accepts only literal CONFIRMED and requires corrections to begin CORRECTION, then reads the corrected instruction back.
  4. If the result is dialing, in_progress, or timeout, poll get_call(call_id). Do not place another owner call while the first is live, and never retry an ambiguous dial failure.

Find the number yourself (the hero flow)

When the user names a kind of place ("the best taco spot in the Bay Area"), don't ask them for a number — find it and call it. Be decisive — don't stall the user with options.

  1. Web-search and pick the SINGLE best match; don't make the user choose from a list. Read its official site/listing for the full phone number and its city.
  2. call_number(phone_number=<+E.164>, objective, caller_name) places the disclosed call. Use a full international number with a leading + and country code (+14152857117, not (415) 285-7117). The destination timezone auto-derives from common area codes; if the tool says it couldn't determine the timezone (an unusual area code, or a toll-free 800/888/877/866 number), re-run with utc_offset_minutes for the business's city (US Pacific is -420 in summer / -480 in winter, US Eastern -240/-300, UK +60/0).
  3. One quick inline confirm ("calling La Taqueria, +1 415-285-7117, to ask if they have carnitas — go?"), then dial. A call is a real-world action, so keep the gate to a single yes/no.

Read the full file on GitHub · 125 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 9d ago First seen · 125 lines · 131 tokens per session scan A 961e224add02

Subscribe to this mod's changes

speko-calls is a skill published in the GitHub repository SpekoAI/mcp-dev-calls (4 stars, last pushed 17d ago), licensed MIT. It adds 131 tokens to every session and 2,138 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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