build-signals-agent SKILL.md skillA
build-signals-agent from adcontextprotocol/adcp-client is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add adcontextprotocol/adcp-client/build-signals-agent@git:20260428.88e3b02Pins git:20260428.88e3b02 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- adcontextprotocol/adcp-client
- Path
.claude/skills/build-signals-agent/SKILL.md- Versions recorded
- 4
- Latest version
- git:20260428.88e3b02, committed Apr 28, 2026
- First version recorded
- Apr 9, 2026
- Size
- 10,987 bytes
- Repository stars
- 18
- License
- Apache-2.0
Use when building an AdCP signals agent, creating an audience data server, or standing up a data provider agent that serves targeting segments to buyers.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Build a Signals Agent ## Overview A signals agent serves audience segments to buyers for campaign targeting. Two tools: `get_signals` (discovery) and `activate_signal` (push to DSPs or sales agents). The business model — marketplace vs owned data — shapes every implementation decision. Determine that first. ## When to Use - User wants to build an agent that serves audience/targeting data - User mentions signals, segments, audiences, data provider, or CDP in the context of AdCP - User references `get_signals`, `activate_signal`, or the signals protocol **Not this skill:** - Selling ad inventory (products, packages, media buys) → `skills/build-seller-agent/` - Rendering creatives from briefs → that's a creative agent - Building a client that _calls_ a signals agent → see `docs/getting-started.md` ## Before Writing Code Determine these four things. Ask the user — don't guess. ### 1. Marketplace or Owned? These are fundamentally different businesses. …
Read the whole file at its exact version.
How to install
mdr add adcontextprotocol/adcp-client/build-signals-agent@sha256:a9ca090eb303594bThe line at the top of this page pins the label git:20260428.88e3b02, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_r6x7w2him3ngdadb)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 4 versions of this file, between Apr 9, 2026 and Apr 28, 2026, about one every 6 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260428.88e3b02 latest | 2026-04-28 | 88e3b02 | 10,987 B | A | view · diff |
| git:20260423.42debb0 | 2026-04-23 | 42debb0 | 11,002 B | A | view · diff |
| git:20260414.1c69325 | 2026-04-14 | 1c69325 | 10,988 B | A | view · diff |
| git:20260409.69a6dde | 2026-04-09 | 69a6dde | 8,593 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (10987 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
adcontextprotocol/adcp-client · 18 stars · license Apache-2.0 · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_r6x7w2him3ngdadb GET https://markdownregistry.com/api/v1/resolve?ref=adcontextprotocol/adcp-client/build-signals-agent GET https://markdownregistry.com/api/v1/blob/a9ca090eb303594be1e1eeecd0f84e30eaaefa6955c42aa24fca76640c7384f4
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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