claude-api-ops SKILL.md skillA
claude-api-ops from 0xdarkmatter/claude-mods is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add 0xdarkmatter/claude-mods/claude-api-ops@git:20261005.26c4667Pins git:20261005.26c4667 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- 0xdarkmatter/claude-mods
- Path
skills/claude-api-ops/SKILL.md- Versions recorded
- 6
- Latest version
- git:20261005.26c4667, committed Oct 5, 2026
- First version recorded
- Aug 30, 2026
- Size
- 17,057 bytes
- Repository stars
- 68
- License
- MIT
Building applications ON Claude - the Anthropic API and Claude Agent SDK. Use for: anthropic api, claude api, messages api, tool use, function calling, prompt caching, agent sdk, claude-agent-sdk, structured output, json schema output, batches api, extended thinking, adaptive thinking, model selection, claude pricing, build claude agent, anthropic sdk, stop_reason handling, streaming claude, token counting, cache_control, output_config, tool_choice, agentic loop, rate limits anthropic, context…
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
# Claude API Operations Building applications and agents on Anthropic's API: the Messages API, tool use, prompt caching, structured outputs, batches, thinking/effort, and the Claude Agent SDK. For developers writing apps *against* the API — not for using Claude Code itself. **API surfaces move fast.** Model IDs, parameters, and betas in this skill were verified against platform.claude.com (2026-08). When in doubt — especially for "latest model" or pricing questions — verify with WebFetch against `https://platform.claude.com/docs/en/about-claude/models/overview.md` or query the Models API (`client.models.list()`). ## Current Models (verified 2026-08) | Model | ID (exact, no date suffix) | Context | Max Output | Input $/MTok | Output $/MTok | |---|---|---|---|---|---| | Claude Fable 5 | `claude-fable-5` | 1M | 128K | $10.00 | $50.00 | | Claude Opus 5 | `claude-opus-5` | 1M | 128K | $5.00 | $25.00 | | Claude Sonnet 5 | `claude-sonnet-5` | 1M | 128K | $2.00 | $10.00 | | Claude Haiku 4.5 | `claude-haiku-4-5` | 200K | 64K | $1.00 | $5.00 | Use these alias IDs verbatim. **Never append date suffixes** (`claude-sonnet-5-20260630` …
Read the whole file at its exact version.
How to install
mdr add 0xdarkmatter/claude-mods/claude-api-ops@sha256:28fa9d3c33be52e1The line at the top of this page pins the label git:20261005.26c4667, 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_gnrf4eo4hhcspiiu)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 6 versions of this file, between Aug 30, 2026 and Oct 5, 2026, about one every 7 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261005.26c4667 latest | 2026-10-05 | 26c4667 | 17,057 B | A | view · diff |
| git:20260831.77fb2d9 | 2026-08-31 | 77fb2d9 | 27,045 B | A | view · diff |
| git:20260831.8ce7413 | 2026-08-31 | 8ce7413 | 26,656 B | A | view · diff |
| git:20260830.350a79e | 2026-08-30 | 350a79e | 26,347 B | A | view · diff |
| git:20260830.a7f95ed | 2026-08-30 | a7f95ed | 22,834 B | A | view · diff |
| git:20260830.f829a8e | 2026-08-30 | f829a8e | 24,669 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 (17057 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
0xdarkmatter/claude-mods · 68 stars · license MIT · pushed 2026-10-14 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_gnrf4eo4hhcspiiu GET https://markdownregistry.com/api/v1/resolve?ref=0xdarkmatter/claude-mods/claude-api-ops GET https://markdownregistry.com/api/v1/blob/28fa9d3c33be52e1d7e0fee5c18fbf5a1445d6c98cb119d13ca1b2cb10ccbfe6
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.