Solana Dev
solana-foundation/solana-dev-skill
A skill your agent uses when user asks to "build a Solana dapp", "write an Anchor program", "create a token", "debug Solana errors", "set up wallet connection", "test my Solana program", "fuzz my…
Trigger Pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents, depth agents
MITAuto-check passed
Install Instruction Introspection
$ npx skills add PlamenTSV/plamen --skill instruction-introspection -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install PlamenTSV/plamen instruction-introspection --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/PlamenTSV/plamen.git skills-src && mkdir -p .claude/skills && cp -r skills-src/agents/skills/solana/instruction-introspection .claude/skills/instruction-introspection && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "instruction-introspection" agent skill from https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspection into .claude/skills/instruction-introspection/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instruction-introspection", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspectionType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add PlamenTSV/plamen --skill instruction-introspection -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install PlamenTSV/plamen instruction-introspection --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PlamenTSV/plamen.git skills-src && mkdir -p .agents/skills && cp -r skills-src/agents/skills/solana/instruction-introspection .agents/skills/instruction-introspection && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "instruction-introspection" agent skill from https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspection into .agents/skills/instruction-introspection/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instruction-introspection", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add PlamenTSV/plamen --skill instruction-introspection -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install PlamenTSV/plamen instruction-introspection --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PlamenTSV/plamen.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/agents/skills/solana/instruction-introspection .cursor/skills/instruction-introspection && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "instruction-introspection" agent skill from https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspection into .cursor/skills/instruction-introspection/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instruction-introspection", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/PlamenTSV/plamen.git --path agents/skills/solana/instruction-introspection--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add PlamenTSV/plamen --skill instruction-introspection -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install PlamenTSV/plamen instruction-introspection --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PlamenTSV/plamen.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/agents/skills/solana/instruction-introspection .gemini/skills/instruction-introspection && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "instruction-introspection" agent skill from https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspection into .gemini/skills/instruction-introspection/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instruction-introspection", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install PlamenTSV/plamen instruction-introspectionInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add PlamenTSV/plamen --skill instruction-introspection -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/PlamenTSV/plamen.git skills-src && mkdir -p .github/skills && cp -r skills-src/agents/skills/solana/instruction-introspection .github/skills/instruction-introspection && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "instruction-introspection" agent skill from https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspection into .github/skills/instruction-introspection/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instruction-introspection", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add PlamenTSV/plamen --skill instruction-introspection -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install PlamenTSV/plamen instruction-introspection --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PlamenTSV/plamen.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/agents/skills/solana/instruction-introspection .opencode/skills/instruction-introspection && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "instruction-introspection" agent skill from https://github.com/PlamenTSV/plamen/tree/main/agents/skills/solana/instruction-introspection into .opencode/skills/instruction-introspection/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "instruction-introspection", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
instruction-introspection- GitHub stars
- 303
- Token cost
- ~1.2k tokens
- SKILL.md length
- 426 words
- Files
- 1
- Skills in repo
- 87
- Repo updated
- First seen
- Licence
- MIT
At a glance
Trigger Pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents, depth agents
- Works in 6 steps: Introspection Usage Inventory → Sysvar Address Validation (Wormhole… → Checked Function Usage → …
- Pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents
- SKILL.md covers 1. Introspection Usage Inventory, 2. Sysvar Address Validation…, 3. Checked Function Usage and 4. Instruction Sequence…, plus 4 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Instruction Introspection is an agent skill from PlamenTSV/plamen. Trigger Pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents, depth agents
Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It works with Solana. The repository describes itself as: Autonomous Web3 security audit agent for Claude Code. The licence is MIT.
When your agent uses it
- Pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents
Example prompts
- “/instruction-introspection”
Workflow steps
6 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 795962b. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Instruction Introspection loads about 1.2k tokens when it runs. Until then it costs about 41 tokens; SKILL.md has 426 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from PlamenTSV/plamen at commit 795962b, republished under its MIT licence (© PlamenTSV). 426 words, ~1,236 tokens.
Download SKILL.mdSave it as
.claude/skills/instruction-introspection/SKILL.md (or your agent's skills folder).- name
- instruction-introspection
- description
- Trigger Pattern INSTRUCTION_INTROSPECTION flag detected (load_instruction_at/Sysvar1nstructions) - Inject Into Breadth agents, depth agents
INSTRUCTION_INTROSPECTION Skill
Trigger Pattern: INSTRUCTION_INTROSPECTION flag detected (load_instruction_at/Sysvar1nstructions) Inject Into: Breadth agents, depth agents Finding prefix:
[II-N]Rules referenced: S10, S8, R15
For every use of instruction introspection in the Solana program:
1. Introspection Usage Inventory
List all instruction introspection usage:
| # | Location | Function Used | Purpose | Instructions Sysvar Source |
|---|---|---|---|---|
| 1 | {file:line} | load_instruction_at_checked / load_instruction_at / get_instruction_relative | {what it checks} | {account source} |
2. Sysvar Address Validation (Wormhole Pattern - CRITICAL)
For each Instructions sysvar account:
| Usage | Sysvar Source | Address Validated? | Validation Method |
|---|---|---|---|
| {usage} | {account param name} | YES/NO | {hardcoded check / Anchor constraint / NONE} |
Attack pattern (sysvar address spoofing): If Instructions sysvar address is NOT validated, attacker passes a fake account containing crafted "instruction" data. The introspection reads attacker-controlled data instead of real transaction instructions.
Defense: require!(sysvar_account.key() == sysvar::instructions::ID) or use Anchor #[account(address = sysvar::instructions::ID)].
3. Checked Function Usage
For each load_instruction_at* call:
| Call | Uses _checked Variant? | Risk if Unchecked |
|---|---|---|
| {call} | YES/NO | {if NO: deprecated function, potential ABI issues} |
Rule: Always use load_instruction_at_checked (validates the sysvar account) over the deprecated load_instruction_at (does not validate).
4. Instruction Sequence Validation
For flash loan and atomic operation patterns:
| Pattern | Borrow Instruction Checked? | Repay Instruction Checked? | Gap Between Checks? |
|---|---|---|---|
| Flash loan repay check | YES/NO | YES/NO | {can attacker insert instructions between borrow and repay?} |
Attack (marginfi pattern): Protocol checks that a repay instruction exists in the transaction but doesn't verify that no state-modifying instructions execute BETWEEN the borrow and repay. Attacker inserts exploit instructions in the gap. Defense: Verify the COMPLETE instruction sequence, not just the presence of specific instructions.
Show full SKILL.md (180 more words)Show less
5. State Change Coverage
For each introspection-based check:
| Check | State Changes Between Checked Instructions | All Changes Accounted? | Gap? |
|---|---|---|---|
| {check} | {list possible state changes} | YES/NO | {if NO: what's unaccounted} |
Pattern: Introspection checks often verify instruction A and instruction B exist, but ignore what happens in between. Any state changes between A and B can be exploited.
6. Program ID Verification
For each instruction inspected via introspection:
| Inspected Instruction | Program ID Checked? | Expected Program | Spoofable? |
|---|---|---|---|
| {instruction} | YES/NO | {expected} | {if NO: attacker deploys mimicking program} |
Attack: Introspection check verifies an instruction with matching function signature exists, but doesn't verify it belongs to the expected program. Attacker deploys a program with the same instruction signature that does nothing.
Finding Template
**ID**: [II-N]
**Severity**: [sysvar spoofing = Critical, sequence gap = High, missing program check = Medium]
**Step Execution**: ✓1,2,3,4,5,6 | ✗(reasons) | ?(uncertain)
**Rules Applied**: [S10:✓, S8:✓/✗, R15:✓/✗]
**Location**: program/src/{file}.rs:LineN
**Title**: [Introspection issue] in [instruction] enables [attack]
**Description**: [Specific introspection vulnerability with sequence analysis]
**Impact**: [Flash loan bypass / fake instruction acceptance / state manipulation]Step Execution Checklist (MANDATORY)
| Section | Required | Completed? | Notes |
|---|---|---|---|
| 1. Introspection Usage Inventory | YES | ✓/✗/? | For every introspection use |
| 2. Sysvar Address Validation | YES | ✓/✗/? | CRITICAL - sysvar address spoofing |
| 3. Checked Function Usage | YES | ✓/✗/? | _checked vs deprecated |
| 4. Instruction Sequence Validation | IF flash loan / atomic pattern | ✓/✗(N/A)/? | Gap between checks |
| 5. State Change Coverage | YES | ✓/✗/? | Between checked instructions |
| 6. Program ID Verification | YES | ✓/✗/? | For every inspected instruction |
© PlamenTSV, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in agents/skills/solana/instruction-introspection of PlamenTSV/plamen.
Open the folder on GitHubat commit 795962b
Compare with similar skills
Instruction Introspection next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Instruction Introspection this skillPlamenTSV/plamen | 303 | — | ~1.2k | Automated safety check: Pass | MIT | |
| Solana Devsolana-foundation/solana-dev-skill | 574 | — | ~3.8k | Automated safety check: Pass | MIT | |
| Meme Coin Security Auditawarexone/Agentic-Bug-Hunter | 5.3k | 1 repos | ~2.4k | Automated safety check: Pass | MIT | |
| Swapper Depositswapperfinance/swapper-toolkit | 852 | — | ~1.8k | Automated safety check: Pass | MIT | |
| PNP Prediction Markets on Solanainternet-court/internet-court-skill | 6.5k | — | ~7.5k | Automated safety check: Notes | MIT | |
| Minara Crypto Trading and WalletMinara-AI/minara-skills | 362 | — | ~5.7k | Automated safety check: Pass | None |
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Questions about Instruction Introspection
What does Instruction Introspection do?
Trigger Pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents, depth agents. Instruction Introspection is an agent skill from PlamenTSV/plamen.
When should I use Instruction Introspection?
Instruction Introspection fits situations like: pattern INSTRUCTIONINTROSPECTION flag detected (loadinstructionat/Sysvar1nstructions) - Inject Into Breadth agents.
How do I install Instruction Introspection in Claude Code?
Run `npx skills add PlamenTSV/plamen --skill instruction-introspection -a claude-code`. Or copy the skill folder (agents/skills/solana/instruction-introspection in PlamenTSV/plamen) into .claude/skills/instruction-introspection in your project. Claude Code loads it when a task matches its description.
How do I install Instruction Introspection in Codex?
Run `npx skills add PlamenTSV/plamen --skill instruction-introspection -a codex`. Or copy the skill folder (agents/skills/solana/instruction-introspection in PlamenTSV/plamen) into .agents/skills/instruction-introspection in your project. Codex loads it when a task matches its description.
Can I use Instruction Introspection in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add PlamenTSV/plamen --skill instruction-introspection -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/instruction-introspection, .gemini/skills/instruction-introspection, .github/skills/instruction-introspection and .opencode/skills/instruction-introspection in your project.
What does Instruction Introspection need to run?
SKILL.md names no scripts, command-line tools or credentials: Instruction Introspection is instructions for the agent only.
Does Instruction Introspection access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Instruction Introspection safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Instruction Introspection use?
Instruction Introspection is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Instruction Introspection use?
About 1.2k tokens (SKILL.md is roughly 4.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Instruction Introspection?
Skills that share tags, products or a category with Instruction Introspection: Solana Dev (solana-foundation/solana-dev-skill, 574 stars), Meme Coin Security Audit (awarexone/Agentic-Bug-Hunter, 5.3k stars), Swapper Deposit (swapperfinance/swapper-toolkit, 852 stars) and PNP Prediction Markets on Solana (internet-court/internet-court-skill, 6.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Instruction Introspection?
PlamenTSV (a GitHub user) maintains it in PlamenTSV/plamen, which has 303 GitHub stars. The repository holds 87 skills in this directory. The repository was last updated on September 26, 2026.
Source: PlamenTSV/plamen on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.