Feedough AI Prompt Generator
Server Details
Turn rough ideas into structured prompts for ChatGPT, Claude, Gemini, image and video AI. Free.
- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Scored across 2 tools
generate_prompt (idea → new prompt) and improve_prompt (existing prompt + requested change → revised prompt) have clearly distinct inputs and purposes, so an agent cannot reasonably confuse them. The descriptions explicitly name the different starting points and outcomes.
Both tools follow a strict verb_noun snake_case pattern (generate_prompt, improve_prompt) with parallel structure. The shared '_prompt' suffix reinforces that they operate on the same artifact.
Two tools is on the thin side, but the server's stated scope is narrow — creating and refining prompts — and each tool earns its place with no filler. It sits just below the ideal 3-15 range without feeling underbuilt for this purpose.
The create-and-refine lifecycle for a prompt generator is fully covered with no dead ends: you can produce a prompt from an idea and iterate on it. Minor gaps exist (e.g. adapting a prompt to a specific target model, or listing/saving prompts), but they are not blocking for the core workflow.
Available Tools
2 toolsgenerate_promptWrite a promptARead-onlyInspect
Turns a rough idea ("cold email to a cafe owner", "a cat astronaut poster") into a detailed, structured prompt ready to paste into an AI tool. Returns the prompt text.
| Name | Required | Description | Default |
|---|---|---|---|
| idea | Yes | What the prompt should get done, in the user's words. Include audience, tone, length or format if the user gave them. | |
| kind | No | text for chat assistants (ChatGPT, Claude, Gemini), image for image models (Midjourney, Nano Banana, Flux, GPT Image), video for video models (Sora, Veo, Kling, Runway). | text |
| framework | No | Text prompts only. standard picks the structure from written_for. reasoning is for step-by-step problem solving. The rest are named prompt frameworks (RACE, CARE, APE, CREATE, TAG, CREO, RISE, PAIN, COAST, ROSES, RESEE). | standard |
| written_for | No | Text prompts only. chatgpt follows OpenAI prompting guidance, claude follows Anthropic guidance, any uses Feedough's ORACLE structure (Outcome, Role, Audience, Constraints, Layout, Evidence) that works everywhere. | any |
Output Schema
| Name | Required | Description |
|---|---|---|
| style | No | |
| prompt | Yes |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
Annotations already declare readOnlyHint=true and destructiveHint=false, so safety is covered. The description adds that the output is prompt text to be pasted elsewhere, which is useful framing, but it says nothing about the non-idempotent behavior hinted at by idempotentHint=false or about whether repeated calls yield different prompts. With annotations doing most of the work, this is adequate but not rich.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences with no waste: the transformation and its outcome come first, followed by the return value. Every clause carries information an agent would use.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
With a full schema and an output schema, the description need only justify the tool's role, which it does. The one gap is the unaddressed relationship to the sibling improve_prompt, which matters for correct tool selection in a two-tool family.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the baseline is 3. The description conveys the meaning of 'idea' through its examples, but adds no detail on how 'kind', 'framework' or 'written_for' affect the generated prompt beyond what the schema descriptions already state.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description names a specific transformation (rough idea into a detailed, structured prompt) with a concrete outcome ('ready to paste into an AI tool') and two illustrative inputs. It does not distinguish itself from the sibling improve_prompt, so an agent must infer the boundary from the tool names alone.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Usage is implied by the examples of idea inputs and by 'ready to paste into an AI tool', making the intended context understandable. However, there is no explicit guidance on when to pick this over improve_prompt, nor any exclusion stating that this tool creates a prompt from scratch rather than refining an existing one.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
improve_promptImprove a promptARead-onlyInspect
Rewrites an existing prompt with the change the user asks for ("shorter", "add three examples", "for a B2B audience"). Returns the new prompt.
| Name | Required | Description | Default |
|---|---|---|---|
| idea | No | Optional: the original idea the prompt was written for. | |
| kind | No | text for chat assistants (ChatGPT, Claude, Gemini), image for image models (Midjourney, Nano Banana, Flux, GPT Image), video for video models (Sora, Veo, Kling, Runway). | text |
| change | Yes | What should be different, in the user's words. | |
| prompt | Yes | The prompt to improve, in full. | |
| framework | No | Text prompts only. standard picks the structure from written_for. reasoning is for step-by-step problem solving. The rest are named prompt frameworks (RACE, CARE, APE, CREATE, TAG, CREO, RISE, PAIN, COAST, ROSES, RESEE). | standard |
| written_for | No | Text prompts only. chatgpt follows OpenAI prompting guidance, claude follows Anthropic guidance, any uses Feedough's ORACLE structure (Outcome, Role, Audience, Constraints, Layout, Evidence) that works everywhere. | any |
Output Schema
| Name | Required | Description |
|---|---|---|
| style | No | |
| prompt | Yes |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The annotations already declare readOnlyHint=true, destructiveHint=false, and openWorldHint=false, so the agent knows no external state is touched. The description adds useful behavior information by stating that it returns the new prompt, but it says nothing about whether the original prompt is preserved anywhere, or how kind, framework, and written_for interact.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two tight sentences lead with the action verb and the scope, then state the return value. There is no filler and nothing that should be moved earlier.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
With an output schema present, the description needn't explain return shape, and the rich schema already documents all six parameters and enums. The remaining gap is sibling differentiation against generate_prompt, which matters for tool selection on a two-tool surface.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100%, so the baseline is 3. The description exceeds that baseline by illustrating the abstract 'change' parameter with concrete examples ('shorter', 'add three examples', 'for a B2B audience'), which clarifies that free-form user wording is expected. It adds nothing about idea, kind, framework, or written_for beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description names a specific verb and resource, 'Rewrites an existing prompt', and states the outcome, 'Returns the new prompt'. It never mentions its only sibling, generate_prompt, so the agent must infer that improvement means modifying an existing prompt while generation means creating one from scratch.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Usage is implied by the phrase 'an existing prompt with the change the user asks for', which assumes the user already has a prompt and a stated delta. There is no explicit when-to-use, when-not-to-use, or routing guidance pointing to generate_prompt for users without a starting prompt.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
2 tool updates
- First observed
generate_prompt - First observed
improve_prompt
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