psbt SKILL.md skillA
psbt from aibtcdev/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add aibtcdev/skills/psbt@git:20260316.8010455Pins git:20260316.8010455 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- aibtcdev/skills
- Path
psbt/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260316.8010455, committed Mar 16, 2026
- Size
- 3,434 bytes
- Repository stars
- 11
- License
- none declared
PSBT (Partially Signed Bitcoin Transaction) construction and signing — build PSBTs for ordinals purchases, estimate fees, sign with the active wallet, and broadcast finalized PSBTs.
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
# PSBT Skill
Provides PSBT (Partially Signed Bitcoin Transaction) construction and signing operations on the Bitcoin L1. PSBTs enable multi-party signing workflows such as ordinals marketplace purchases where both buyer and seller must sign before broadcast.
- **estimate-fee** — Read-only fee estimation for a PSBT given its structure.
- **sign** — Sign one or more PSBT inputs with the active unlocked wallet (P2WPKH or Taproot keys).
- **broadcast** — Finalize a fully signed PSBT and broadcast it to the Bitcoin network via mempool.space.
## Usage
```
bun run psbt/psbt.ts <subcommand> [options]
```
## Subcommands
### estimate-fee
Estimate the network fee in satoshis for a given PSBT. Parses the transaction structure and computes vsize-based fee estimate for fast, medium, and slow fee tiers.
```
bun run psbt/psbt.ts estimate-fee --psbt <base64>
```
Options:
- `--psbt <base64>` (required) — PSBT in base64 format
Output:
```json
{
"network": "mainnet",
"vsize": 253,
"inputsLength": 2,
"outputsLength": 3,
"feeEstimates": {
"fast": { "satPerVb": 12, "totalSats": 3036 },
"medium": { "satPerVb": 6, "totalSats": 1518 },
…Read the whole file at its exact version.
How to install
mdr add aibtcdev/skills/psbt@sha256:5ac45c0d7e410153The line at the top of this page pins the label git:20260316.8010455, 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_aqmmgevamadvx2s5)
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Versions
The registry has recorded 1 version of this file, committed on Mar 16, 2026.
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 (3434 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
aibtcdev/skills · 11 stars · license none declared · pushed 2026-10-29 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_aqmmgevamadvx2s5 GET https://markdownregistry.com/api/v1/resolve?ref=aibtcdev/skills/psbt GET https://markdownregistry.com/api/v1/blob/5ac45c0d7e4101534842d8acdfaad8d1377be7169971b2f30705dd3ea80a924d
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.