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.
npx skills add dylanroscover/Embody --skill mcp-tools-referencegit clone --depth 1 https://github.com/dylanroscover/EmbodyWrote 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.
[](https://agentmods.dev/skills/dylanroscover/embody/mcp-tools-reference)<a href="https://agentmods.dev/skills/dylanroscover/embody/mcp-tools-reference"><img src="https://agentmods.dev/badge/skills/dylanroscover/embody/mcp-tools-reference/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.
<a href="https://agentmods.dev/skills/dylanroscover/embody/mcp-tools-reference"><img src="https://agentmods.dev/badge/skills/dylanroscover/embody/mcp-tools-reference.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 2 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Rogue Agent · line 181 Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.Fix: Prevent the skill from modifying its own code, SKILL.md, or configuration files. Treat skill files as read-only at runtime.
- high Rogue Agent · line 204 Skill modifies its own code, configuration, or behavior at runtime. Self-modification enables an agent to escalate privileges, disable safety constraints, or install persistent backdoors.Fix: Prevent the skill from modifying its own code, SKILL.md, or configuration files. Treat skill files as read-only at runtime.
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00027 | $0.04398 |
| Opus 5.5 | $0.00011 | $0.01759 |
| Sonnet 5.5 | $0.00005 | $0.00880 |
| Haiku 4.5 | $0.00003 | $0.00440 |
Grade A, and why
mcp-tools-reference 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 3d 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.
How it starts
The opening of the file, as written. The whole thing — 151 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Envoy MCP Tool Reference
Mutating TD-authoring operations are wrapped in TD undo blocks (one batch_operations call = one Ctrl+Z step); read-only tools, run_tests, cook_op and disk-only ops (export_network, save_externalization) are not. The contracts behind the multi-session, job, bridge and Convoy tools, and the fields that ride on every response (_logs, _peers, gates, recovery_hints, _effects), are in references/coordination.md in this skill's folder (get_guidance(topic='mcp-tools-reference/coordination') without a skills folder). The short version: a LAYOUT WARNING, THREADING WARNING or MULTI-SESSION GATE line in _logs is a hard stop, _peers with conflict: true is a hard stop, an error carries error_code plus recovery_hints to follow instead of retrying, and _effects on a write names the errors, fps drop and shader failures your write caused.
Operator Management
| Tool | Parameters | Description |
|---|---|---|
create_op |
parent_path, op_type, name?, language? |
Create a new operator (e.g., baseCOMP, noiseTOP, textDAT, gridPOP). Auto-positions it and hugs any docked companions below it (docks_placed). A textDAT starts as python; pass language (glsl, json, yaml, xml, text) for anything else |
create_extension |
parent_path, class_name, name?, code?, promote?, ext_name?, ext_index?, existing_comp?, parent_shortcut? |
Create a TD extension: baseCOMP + text DAT + extension wiring |
delete_op |
op_path, override? |
Delete an operator (multi-session gated; override bypasses, say so). Refuses the Embody COMP, its ancestors, / and Envoy's extension DAT |
copy_op |
source_path, dest_parent, new_name? |
Copy operator to new location. Auto-positions the copy and hugs its docked companions (docks_placed) |
rename_op |
op_path, new_name |
Rename an operator |
get_op |
op_path, include_defaults? |
Returns NON-DEFAULT parameters by default (include_defaults=True for all); parameter-heavy COMPs are expensive (~3k+ tokens full), prefer read_tdxn for structure reads |
query_network |
parent_path?, recursive?, op_type?, include_utility? |
Compact operator list: path/type/family/depth; name = last path segment. include_utility=True includes annotations |
find_children |
op_path, name?, type?, depth?, tags?, text?, comment?, include_utility? |
Advanced search using TD's findChildren |
cook_op |
op_path, force?, recurse? |
Force-cook an operator |
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 3d ago Changed 6d3b46bb3c02
- 13d ago Changed e60a0c87e998
- 21d ago Changed 7dc7e36573a7
- 26d ago Changed · -89 lines b4593e69e5f1
- 1mo ago Changed · +4 lines 55148239613a
- 1mo ago Changed · +2 lines 90ef25a5712a
- 1mo ago Changed · +5 lines 59134b27c9e2
- 1mo ago Changed bab9f77d1aee
- 1mo ago Changed 5471ca697d25
- 1mo ago First seen · 229 lines · 27 tokens per session scan A b0c1d6b3ecc2
mcp-tools-reference is a skill published in the GitHub repository dylanroscover/Embody (208 stars, last pushed yesterday), licensed MIT. It adds 27 tokens to every session and 4,398 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.
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